Containing Iodine Patents (Class 502/112)
  • Patent number: 10562990
    Abstract: A catalyst for the homopolymerization or copolymerization of CH2?CHR olefins, made from or containing the product obtained by contacting: (i) a solid catalyst component made from or containing Ti, Mg, Cl, and an internal electron donor compound, wherein the solid catalyst component contains from about 0.1 to about 50 wt % of Bi, based upon the total weight of the solid catalyst component; (ii) an alkyl aluminum compound and, (iii) an external electron donor compound having the formula: (R1)aSi(OR2)b wherein R1 and R2 are independently selected from the group consisting of alkyl radicals with 1-8 carbon atoms and a is 0 or 1 and a+b=4.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: February 18, 2020
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Fabrizio Piemontesi, Gianni Vitale, Dario Liguori, Giampiero Morini
  • Patent number: 10150822
    Abstract: A catalyst component (A) for olefin polymerization is prepared by contacting a solid component (a) containing magnesium, titanium, halogen and an internal electron donor compound with an organosilicon compound (b), wherein the organosilicon compound (b) is one or more selected from a Si—H functional group containing chainlike polysiloxane (b1) represented by formula (Ix), a cyclic polysiloxane (b2) represented by formula (Iy) and a Si—H functional group containing organosilicon compound (b3) represented by formula (Iz). In addition, a process for preparing the catalyst component and the corresponding catalyst is described. The catalyst component and its catalyst have high catalytic activity, good hydrogen response, and good stereospecificity, the catalyst can release its activity more evenly, and the obtained polymer has significantly increased bulk density. The definitions of R1 to R10, n and z in the formulae (Ix), (ly) and (Iz) are as described in the specification.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: December 11, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Qilong Zhou, Zhong Tan, Xiudong Xu, Li'an Yan, Weiwei Song, Fengkui Li, Shanshan Yin, Jinhua Yu
  • Patent number: 10113012
    Abstract: The present disclosure relates to a solid catalyst component for the (co)polymerization of olefins CH2?CHR, in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, comprising Ti, Mg, and Cl, and optionally an electron donor compound selected from the group consisting of ethers, amines, silanes, carbamates ketones, esters of aliphatic acids, alkyl and aryl esters of optionally substituted aromatic polycarboxylic acids, diol derivatives chosen among monoesters monocarbamates and monoesters monocarbonates or mixtures thereof, comprising from 0.1 to 50% wt of Bi with respect to the total weight of the solid catalyst component.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: October 30, 2018
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Simona Guidotti, Tiziano Dall'Occo, Dario Liguori, Giampiero Morini, Fabrizio Piemontesi, Gianni Vitale
  • Patent number: 9175101
    Abstract: The present invention provides titanium based precursor for polyolefin catalyst with desired morphology and high particle strength. The of preparation of the precursor in accordance with the present invention obviates the use of iodine.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: November 3, 2015
    Assignee: RELIANCE INDUSTRIES LIMITED
    Inventors: Umesh Makwana, Ajay Kothari, Bhavesh Desai, Virendrakumar Gupta
  • Patent number: 8633124
    Abstract: The invention relates to a process for the synthesis of spheroidal magnesium alkoxide having improved mechanical strength and narrow particle size distribution, the process comprising reacting magnesium metal, in the presence of iodine, with a mixture of alcohols by step-wise heating first in the range of 40° C. to 65° C. for a period of 2 hours and then in the range of 65° C. to 80° C. for a period of 1 hour, further by maintaining reaction temperature at 80° C. for a period of 6-10 hours, the vapors of the mixture produced during the reaction being condensed in an overhead condenser, hydrogen gas produced during the reaction being vented off and the mixture of alcohols left after the reaction being filtered and reused. The invention also relates to spheroidal magnesium alkoxide particles synthesized by the method, to the Ziegler natta procatalyst synthesized by using the alkoxide and to the polymer resin synthesized using the procatalyst.
    Type: Grant
    Filed: September 1, 2008
    Date of Patent: January 21, 2014
    Assignee: Reliance Industries Limited
    Inventors: Virendrakumar Gupta, Saurabh Singh, Umesh Makwana, Jomichan Joseph, Kamlesh Singala, Smitha Rajesh, Vallabhbhai Patel, Mukeshkumar Yadav, Gurmeet Singh
  • Publication number: 20130244863
    Abstract: What is disclosed is a method for preparing a catalyst system and a catalyst system for polymerizing or copolymerizing an ?-olefin. Catalyst component (A) is obtained by a process of reacting a magnesium complex (A-1) containing acid salts of group IB-VIIIB elements formed by contacting a magnesium halide with an acid salt solution of group IB-VIIIB metals or spherical particles adducts, an internal electron donor (A-2) of diester or diether or composite compounds, and a titanium compound (A-3). The catalyst compound (A) is contacted with a silicon compound (B) and an organoaluminium compound (C) to complete the catalyst system providing a good balance of catalyst performance in terms of activity and stereo-specificity.
    Type: Application
    Filed: March 19, 2012
    Publication date: September 19, 2013
    Applicant: Formosa Plastics Corporation, USA
    Inventor: Demin Xu
  • Patent number: 8357765
    Abstract: A production process of a contact product, which can be used as a polymerization catalyst component, comprising contacting a compound defined by a specific formula, such as diethyl zinc, with a compound defined by a specific formula, such as pentafluorobutyric acid; a production process of a polymerization catalyst, comprising contacting the polymerization catalyst component with a transition metal compound; and a production process of a polymer, comprising polymerizing an addition-polymerizable monomer in the presence of the polymerization catalyst.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: January 22, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazuyuki Ito, Kazuo Takaoki
  • Publication number: 20120329641
    Abstract: The present invention provides a polymerization process utilizing a dual metallocene catalyst system for the production of broad or bimodal molecular weight distribution polymers, generally, in the absence of added hydrogen. Polymers produced from the polymerization process are also provided, and these polymers can have a Mn in a range from about 9,000 to about 30,000 g/mol, and a short chain branch content that decreases as molecular weight increases.
    Type: Application
    Filed: September 4, 2012
    Publication date: December 27, 2012
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Qing Yang, Max P. McDaniel, Tony R. Crain, Youlu Yu
  • Patent number: 8173569
    Abstract: A Ziegler-Natta procatalyst composition in the form of solid particles and comprising magnesium, halide and transition metal moieties, said particles having an average size (D50) of from 10 to 70 ?m, characterized in that at least 5 percent of the particles have internal void volume substantially or fully enclosed by a monolithic surface layer (shell), said layer being characterized by an average shell thickness/particle size ratio (Thickness Ratio) determined by SEM techniques for particles having particle size greater than 30 ?m of greater than 0.2.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: May 8, 2012
    Assignee: Union Carbide Chemicals & Plastics Technology LLC
    Inventors: Robert J. Jorgensen, Michael A. Kinnan, Michael D. Turner, Stephanie M. Whited, Laszlo L. Ban, Burkhard E. Wagner
  • Publication number: 20120095172
    Abstract: Ziegler-Natta catalyst composition capable of producing ethylene/alpha-olefins copolymers, particularly linear low density polyethylene; the composition having an improved stability of its behaviour during polymerization in respect to time. The Ziegler-Natta catalyst composition comprises: 1.
    Type: Application
    Filed: April 26, 2010
    Publication date: April 19, 2012
    Inventors: Thomas Garoff, Paivi Waldvogel, Kalle Kallio, Virginie Eriksson
  • Publication number: 20080281059
    Abstract: A magnesium compound represented by the formula (I): Mg(OC2H5)2?n(OR1)n ??(I) where R1 is CmH2m+1 (where m is an integer of from 3 to 10), and n is a numerical value satisfying 0<n<0.35; a solid catalyst component for olefin polymer using the magnesium compound; a catalyst for olefin polymer; and methods of producing olefin copolymers such as a propylene-based random copolymer and propylene-based block copolymer by using the catalyst for olefin polymer.
    Type: Application
    Filed: April 19, 2005
    Publication date: November 13, 2008
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Shojiro Tanase, Nobuhiro Yabunouchi, Takehito Konakazawa, Takanori Sadashima, Kiyokazu Katayama, Kenji Tanaka, Hideaki Noda
  • Patent number: 7126035
    Abstract: The present invention relates to a catalyst composition for the oxychlorination of ethylene, comprising a mixture of metal salts on a support, where said metal salts are applied to the support in such ratios that the catalyst composition comprises a) from 3 to 12% by weight of copper as copper salt, b) from 0 to 3% by weight of an alkaline earth metal as alkaline earth metal salt, c) from 0 to 3% by weight of an alkaline metal as alkaline metal salt, d) from 0.001 to 0.1% by weight, preferably from 0.005 to 0.05% by weight, of at least one metal selected from the group consisting of ruthenium, rhodium, palladium, osmium, iridium and platinum, and/or from 0.0001 to 0.1% by weight, preferably from 0.001 to 0.05% by weight, of gold, as corresponding metal salt or tetrachloroauric acid, where all percentages by weight are based on the total weight of the catalyst including support material.
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: October 24, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Christian Kuhrs, Ruprecht Meissner
  • Patent number: 6468938
    Abstract: The invention provides new prepolymerized catalyst components for the (co)polymerization of olefins CH2═CHR, wherein R is hydrogen or a C1-C12 alkyl group, characterized by comprising a solid catalyst component, comprising Ti, Mg, halogen and an electron donor compound, being capable of yielding, under standard polymerization conditions, a propylene homopolymer having an insolubility in xylene at 25° C. higher than 90%, which is prepolymerized with ethylene to such an extent that the amount of the ethylene prepolymer is up to 100 g per g of said solid catalyst component. These solid catalyst components display to obtain a high catalyst activity, a high isotactic index, and are not affected by aging.
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: October 22, 2002
    Assignee: Basell Technology Company BV
    Inventors: Gabriele Govoni, Mario Sacchetti, Gianni Vitale
  • Publication number: 20020035029
    Abstract: A catalyst used for trimerization of ethylene into 1-hexene is descrobed, which comprises (i) a specific organometallic complex having a neutral multidentate ligand having a tripod structure, (ii) an alkylaluminoxane, and an optional ingredient selected from:
    Type: Application
    Filed: September 28, 2001
    Publication date: March 21, 2002
    Applicant: TOSOH CORPORATION
    Inventors: Toru Yoshida, Toshihide Yamamoto, Hisanori Okada, Hideyuki Murakita
  • Patent number: 6265338
    Abstract: The invention is a catalyst system including a monocyclopentadienyl titanium compound, where the monocyclopentadienyl group is bonded to a silylene-imido moiety which is further bonded to the titanium atom, and an alumoxane component which is highly productive for polymerizing ethylene and &agr;-olefins to produce a high molecular weight ethylene-&agr;-olefin copolymer having a high content of &agr;-olefin.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: July 24, 2001
    Assignee: Exxon Chemical Patents, Inc.
    Inventor: Jo Ann M. Canich
  • Patent number: 5994255
    Abstract: Catalysts for olefin polymeriztion comprising metal complexes corresponding to the formula: ##STR1## or a dimer, solvated adduct, chelated derivative or mixture thereof, wherein:L is a cyclic group or Y*, that is bound to M by means of a delocalized .pi.-bond, said group containing up to 50 nonhydrogen atoms;L' is a cyclic group or Y* that is bound to M by means of a delocalized .pi.-bond, said group containing up to 50 nonhydrogen atoms;M is a metal of Group 4 of the Periodic Table of the Elements;Z is a covalently bound, divalent substituent of up to 50 non-hydrogen atoms having the formula, --(ER.sub.2).sub.
    Type: Grant
    Filed: July 11, 1998
    Date of Patent: November 30, 1999
    Assignee: The Dow Chemical Company
    Inventors: Peter N. Nickias, Francis J. Timmers, David D. Devore
  • Patent number: 5846896
    Abstract: A catalyst system for polymerization of olefins having increased molecular weight and melting point is disclosed. A chiral, stereorigid metallocene compound having a silicon hydrocarbyl compound as an interannular bridge between two cyclopentadienyl or substituted cyclopentadienyl rings described by the formula (C.sub.5 R'.sub.m) wherein R' is hydrogen or hydrocarbyl radical having from 1-20 carbon atoms, each R' being the same or different, is combined with an organoaluminum compound. The cyclopentadienyl ligands are coordinated with a metal of a group 4b, 5b, or 6b metal as designated in the Periodic Table of Elements. The metal is also bonded to a hydrocarbon radical or a halogen.
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: December 8, 1998
    Assignee: Fina Technology, Inc.
    Inventor: John A. Ewen
  • Patent number: 5824620
    Abstract: This invention is related to a method for the preparation of heterogeneous catalysts, useful for the production of poliolefins. The method is characterized because said catalysts are obtained by supporting onto solids soluble metallocenes possessing one or more functional groups. Said functional groups are characterized because they can react with other reactive groups on the surface of the solids. The reactive groups on the solids can be part of said solids or incorporated by means of chemical modification. These catalyst systems are especially appropiated for the polymerization of one or several 1-olefins having from 2 to 20 carbon atoms in their chain. Further, they are especially appropiated for the copolymerization of ethylene with 1-olefins having from 3 to 20 carbon atoms in their chains. These polymerization processes can be carried out in gas-phase slurry or solution, at high temperatures and pressures.
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: October 20, 1998
    Assignee: Repsol Quimica S.A.
    Inventors: Wilfried Michiels Vega, Pilar Lafuente Canas, Antonio Munoz-Escalona Lafuente, Gerardo Hidalgo Llinas, Jose Sancho Royo, Luis Mendez Llatas
  • Patent number: 5744414
    Abstract: The present invention relates to a process for the preparation of a solid catalytic component of a catalyst of Ziegler-Natta type, comprising contacting (i) at least one compound (A) of a transition metal (TM) with (ii) a solid product (B) comprising a magnesium compound and having a reducing power for the transition metal (TM), in the presence of (iii) at least one olefin under conditions such that the olefin at least partially polymerizes during the contacting. The solid catalytic component is particularly useful for producing ethylene (co-)polymers in a gas phase process and for improving the statistical distribution of the comonomer in the copolymer structure.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: April 28, 1998
    Assignee: BP Chemicals Limited
    Inventor: Charles Jenny
  • Patent number: 5585447
    Abstract: This catalyst has the general formula VX.sub.3, mAIX.sub.3, nZ, wherein X is a halogen atom, Z is at least one at least partially halogenated, branched or unbranched, saturated hydrocarbon, m is between 0.1 and 10, and n is between 1 and 300. To prepare it, a vanadium halide VX.sub.2 and/or VX.sub.3 is coground with an aluminum halide AlX.sub.3, and then at least one halogenated hydrocarbon Z is added to the mixture obtained in proportions corresponding to the chosen values of m and n. The invention also relates to the (co)polymerization of alpha-olefins at 20.degree.-350.degree. C. in the presence of a catalyst system comprising at least one catalyst as defined above and at least one organometallic activator.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: December 17, 1996
    Assignee: ECP-Enichem Polymeres France S.A.
    Inventors: Emmanuel Adisson, Karel Bujadoux, Michel Fontanille, Alain Deffieux
  • Patent number: 5556820
    Abstract: A solid product as a catalyst component for an olefin polymerization catalyst is obtained by the reaction of metallic magnesium, an alcohol, and a halogen in an amount ranging from 0.019 to 0.06 gram-atom per one mole of metallic magnesium. Alternatively, the halogen component is a halogen-containing compound which contains not less than 0.0001 gram-atom of a halogen atom per one gram-atom of metallic magnesium.
    Type: Grant
    Filed: March 2, 1994
    Date of Patent: September 17, 1996
    Assignee: Idemitsu Petrochemical Co., Ltd.
    Inventors: Hideo Funabashi, Akinobu Sugahara, Akira Tanaka, Masatoshi Toda, Tsuyoshi Ota, Youichi Matsuo, Tsutomu Akimaru, Sigeo Iwasaki, Masayuki Tsuruoka
  • Patent number: 5498770
    Abstract: A catalyst for the polymerization of olefins comprising (A) a solid catalyst component essentially containing magnesium, titanium, an electron donor compound, and a halogen which is prepared by contacting a magnesium compound, a titanium halide compound, and an electron donor compound, (B) an organoaluminum compound, and (C) an organosilicon compound and a process for polymerizing an olefin using the same are disclosed, the organosilicon compound (C) being represented by formula (I): ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, each represents an alkyl group having from 1 to 3 carbon atoms; R.sup.3 and R.sup.4, which may be the same or different, each represents an alkyl group having from 1 to 3 carbon atoms, or a halogen atom; and m and n each represents 0 or an integer of 1 or 2. A polyolefin having high stereoregularity and broad molecular weight distribution can be obtained in high yield.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: March 12, 1996
    Assignee: Toho Titanium Co., Ltd.
    Inventors: Motoki Hosaka, Kenji Goto, Masahiko Matsuo
  • Patent number: 5488022
    Abstract: A catalyst component for olefin polymerization which comprises an intimate mixture of: Component (A1) which is a solid component for Ziegler catalysts comprising titanium, magnesium and a halogen as essential components in a particulate form; and Component (A2) which is a compound selected from the group consisting of inorganic oxides, inorganic carbonates, inorganic sulfates and physical or chemical mixtures thereof in a particulate form; wherein Component (A2) is employed in a weight ratio to Component (A1) from 0.001 to 0.5 and has an average particle diameter smaller than that of Component (A1). The catalyst component may be of a structure such that the particulate inorganic material, Component (A2), adhere to or cover particles of a solid component of a Ziegler catalyst, whereby fluidity of the Ziegler catalyst component is improved.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: January 30, 1996
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tadashi Takahashi, Takashi Fujita, Kazuo Nakamura, Seiichi Tsukamoto
  • Patent number: 5480850
    Abstract: A catalyst system comprising:(a) a catalyst precursor consisting essentially of the reaction product of vanadium (acetylacetonate).sub.3 and a compound having the formula AlR.sub.(3-a) X.sub.a wherein each R is independently alkyl having 1 to 14 carbon atoms; each X is independently chlorine, bromine, or iodine; and a is 1 or 2; the atomic ratio of aluminum to vanadium in the precursor is 1:1 to 3:1; and the oxidation state of the vanadium in the reaction product is plus 2;(b) optionally, a support for said precursor; and(c) a halide substituted hydrocarbyl aluminum cocatalyst; and(d) optionally, a promoter, which is a chlorinated ester having at least 2 chlorine atoms; a saturated or unsaturated aliphatic halocarbon having at least 3 carbon atoms and at least 6 halogen atoms; or a haloalkyl substituted aromatic hydrocarbon wherein the haloalkyl substituent has at least 3 halogen atoms.
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: January 2, 1996
    Assignee: Union Carbide Chemical & Plastics Technology Corporation
    Inventors: Kevin J. Cann, James W. Nicoletti, Sergey A. Vasnetsov
  • Patent number: 5399622
    Abstract: A catalyst system for the polymerization of alpha-olefins comprising a chromium-containing catalyst and an yttrium-containing catalyst wherein the yttrium-containing catalyst is represented by the formula (Cp.sub.2 YX.sub.x).sub.y.M.sub.z L.sub.n, wherein Cp is cyclopentadienyl or cyclopentadienyl substituted with alkyl or alkyl silyl radical or radicals, X is a halogen, M is an alkali metal, L is a suitable electron donor ligand, x is 1 or 2, y is 1 or 2, z is 0 or 1, and n is a number corresponding to the value needed to form a stable complex, with the proviso that when y is 2, z and n are 0 is provided. Also disclosed is a polymerization process employing such a catalyst system, and novel olefin polymers. Polymers thus produced exhibit high bulk density and a broad molecular weight distribution.
    Type: Grant
    Filed: November 17, 1993
    Date of Patent: March 21, 1995
    Assignee: Phillips Petroleum Company
    Inventors: Rolf L. Geerts, Elizabeth A. Benham, Max P. McDaniel
  • Patent number: 5387567
    Abstract: A catalyst component is disclosed for use in the homo-or copolymerization of olefinic hydrocarbons. The catalyst component is comprised of a first compound of the formula Me.sup.1 (OR.sup.1).sub.p R.sup.2.sub.q X.sup.1.sub.4-p-q and a second compound which is an organocyclic compound having two or more conjugated double bonds. A process is also disclosed for the production of hydrocarbon polymers in which the above catalyst component is combined with a modified organoaluminum compound to form a catalyst composition capable of providing high molecular weight, wide distribution thereof and other desirable qualities in the polymer product.
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: February 7, 1995
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Yoshio Tajima, Naoki Kataoka, Yosuke Numao, Takashi Seki, Kazuo Matsuura
  • Patent number: 5376612
    Abstract: Novel chromium-containing compounds, such as, for example, chromium pyrrolides, are prepared by forming a mixture of a chromium salt, a metal amide, and an electron pair donor solvent, such as, for example, an ether. These novel chromium-containing, or chromium pyrrolide, compounds can be used either unsupported or supported on an inorganic oxide support, with a metal alkyl and an unsaturated hydrocarbon, to trimerize, oligomerize, and/or polymerize olefins.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: December 27, 1994
    Assignee: Phillips Petroleum Company
    Inventors: William K. Reagen, Ted M. Pettijohn, Jeffrey W. Freeman
  • Patent number: 5366947
    Abstract: Initiator compositions for materials which can be polymerized cationically are described, these containingi) an anhydride of a polycarboxylic acid, a polyisocyanate, a cyclic carbonate, a lactone or a mixture of such compounds, and dissolved thereinii) at least one compound of the formula I[M.sup.+n (L).sub.x ].sup.n+ n X.sup.- (I)in which n is 2 or 3, M is a metal cation selected from the group consisting of Zn.sup.2+, Mg.sup.2+, Fe.sup.2+, Co.sup.2+, Ni.sup.2+, Cr.sup.2+, Ru.sup.2+, Mn.sup.2+, Sn.sup.2+, VO.sup.2+, Fe.sup.3+, Al.sup.3+ and Co.sup.3+, X.sup.- is an anion which is selected from the group consisting of AsF.sub.6.sup.-, SbF.sub.6.sup.-, BiF.sub.6.sup.- and derivatives derived from these anions in which a fluorine atom is replaced by hydroxyl groups, or in which up to 50% of the anions X.sup.-, based on the total amount of anions, can also be any desired anions, L is water or an organic .sigma.
    Type: Grant
    Filed: August 18, 1992
    Date of Patent: November 22, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Beat Muller, Dieter Baumann
  • Patent number: 5324697
    Abstract: A novel Phillips catalyst for the homopolymerization of ethylene and the copolymerization of ethylene with .alpha.-olefins contains as catalytically active components a specific chromium catalyst on an aluminum phosphate support and cocatalysts of the formula I to IV, ##STR1## where M is lithium, sodium and potassium,M.sup.1 is magnesium and zinc,M.sup.2 is boron and aluminum,R is C.sub.1 -C.sub.10 -alkyl and C.sub.6 -C.sub.20 -aryl,R.sup.1 is R and C.sub.1 -C.sub.10 -alkoxy and C.sub.6 -C.sub.20 -aryloxy,X is chlorine, bromine and iodine,n is 0, 1 and 2The chromium catalyst on an aluminum phosphate support can be obtained by applying chromium compounds to a finely divided aluminum phosphate with a P:A1 molar ratio near to or equal to 1 and a pore volume of >1 cm.sup.3 /g and activating the resulting intermediate at elevated temperatures in an oxidizing atmosphere. The novel Phillips catalyst has an exceptionally long duration of activity and its productivity can be increased further by adding hydrogen.
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: June 28, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Joachim Mueller, Rainer Konrad, Guenther Schweier, Siegfried Weber, Roland Saive, Peter Koelle
  • Patent number: 5318935
    Abstract: Certain bridged and unbridged amido transition metal compounds of the Group IV-B metals are disclosed. These compounds may be used in a catalyst system comprising the amido transition metal compound and an alumoxane. Also disclosed is a process using the catalyst system for the production of high molecular weight polyolefins and, particularly, high molecular weight isotactic polypropylene.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: June 7, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jo Ann M. Canich, Howard W. Turner
  • Patent number: 5275991
    Abstract: A novel catalyst support and a method for preparation thereof, characterized by the presence of selected amounts of a hydrocarbon soluble magnesium-containing compound applied to the support relative to solvent, wherein a surface uniformly and essentially continuously moistened with the solvated magnesium compound in a condition of incipient precipitation to permit the formation of a regular essentially continuous distribution of the magnesium compound onto and conforming to the support material. The drying process under these conditions is effective in maintaining to a high degree the effective surface area and pore volume of the material. The support containing the adsorbed magnesium is then dried in a controlled manner to essential incipient wetness conditions providing a regular spatial distribution of stacked reticular magnesium values at a level of one to five molecular monolayers on the support.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: January 4, 1994
    Assignee: Quantum Chemical Corporation
    Inventors: Charles K. Buehler, Albert P. Masino, Raghu Menon
  • Patent number: 5223465
    Abstract: The present invention aims at providing an olefin polymerization catalyst comprising, as a component, a transition metal compound having two ligands such as .beta.-diketone, etc. coordinated, and having excellent properties as a polymerization catalyst in the polymerization of olefins including styrene compounds. This olefin polymerization catalyst comprises:(a) a transition metal compound represented by the general formula, ##STR1## wherein M represents titanium, zirconium, hafnium or vanadium, Y.sup.1 and Y.sup.2 each represent, same or different, halogen atoms or alkyl groups containing 1 to 10 carbon atoms and R.sup.1, R.sup.2 and R.sup.3 each represent hydrogen atoms or hydrocarbon groups containing 1 to 10 carbon atoms, at least one of which is a hydrogen atom but all of which must not be hydrogen atoms, and(b) an organoaluminum compound, in particular, aluminoxane.
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: June 29, 1993
    Assignee: Tonen Corporation
    Inventors: Satoshi Ueki, Hiroyuki Furuhashi, Masahide Murata, Shigeyuki Toki
  • Patent number: 5206198
    Abstract: Catalytic solids based on titanium trichloride complex, usable for the stereospecific polymerization of alpha-olefins, obtained by heat treatment, in the presence of a halogenated activating agent, of the liquid material resulting from bringing TiCl.sub.4, pretreated with an electron-donor compound, into contact with a composition (C) corresponding to the general formulaAlR.sub.p (Y) .sub.q X .sub.3-(p+q)in whichR represents a hydrocarbon radical or a hydrogen atom;Y represents a group chosen from --OR', --SR' and --NR'R", in which R' and R" each represent a hydrocarbon radical or a hydrogen atom;X represents a halogen;p is an arbitrary number such that 0<p<3; andq is an arbitrary number such that 0<q<3; the sum (p+q) being such that 0<(p+q).ltoreq.3.These catalytic solids of controllable porosity permit the production of a wide range of propylene polymers, in particular the propylene and ethylene copolymers known as "block" copolymers.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: April 27, 1993
    Assignee: Solvay S.A.
    Inventors: Jean-Louis Costa, Sabine Pamart
  • Patent number: 5204305
    Abstract: Cocatalytic composition resulting from bringing an organoaluminium halide (A) into contact with an electron-donating organic compound (ED) selected from esters, amides and ketones, the organoaluminium halide (A) possessing an atomic ratio halogen (X)/aluminium (Al) of greater than 1 and less than 1.3, the halide (A) and the compound (ED) being employed in a mole ratio halide (A)/compound (ED) of greater than 20.Catalytic systems which are usable for the polymerisation of alpha-olefins, comprising such a cocatalytic composition--and a solid based on titanium trichloride complexed with an electron-donating compound.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: April 20, 1993
    Assignee: Solvay S.A.
    Inventors: Paul Fiasse, Herve Collette
  • Patent number: 5177042
    Abstract: A vanadium-based catalyst system is treated with an ether as a means of enhancing catalyst activity and polymer productivity.
    Type: Grant
    Filed: December 29, 1989
    Date of Patent: January 5, 1993
    Assignee: Union Carbide Chemicals and Plastics Technology Corporation
    Inventors: Kevin J. Cann, James W. Nicoletti
  • Patent number: 5177043
    Abstract: This invention relates to a catalytic component for the polymerization of .alpha.-olefins and provides a catalytic component of magnesium support type capable of exhibiting a high stereoregularity while maintaining an improved strength as well as a high catalytic activity. The features thereof consist in a catalyst component for the polymerization of .alpha.-olefins obtained by contacting (A) a solid component comprising, as essential components, magnesium, titanium, a halogen and an electron-donating compound with (D) an olefin in the presence of (B) a trialkylaluminum and (C) a dimethoxy group-containing compound represented by the general formula R.sup.1 R.sup.2 Si(OCH.sub.3).sub.2 where R.sup.1 and R.sup.2 are, same or different, aliphatic hydrocarbon groups with 1 to 10 carbon atoms and having a volume, calculated by the quantum chemistry calculation, of 230 to 500 .ANG..sup.3 and an electron density of oxygen atoms in the methoxy group, calculated similarly, ranging from 0.685 to 0.800 A. U.
    Type: Grant
    Filed: March 22, 1991
    Date of Patent: January 5, 1993
    Assignee: Tonen Chemical Corporation
    Inventors: Naomi Koyama, Hiroyuki Furuhashi, Miyuki Usui, Tomoko Okano, Masahide Murata, Satoshi Ueki, Akira Nakano
  • Patent number: 5153158
    Abstract: The present invention relates to solid catalyst components for olefin polymerization formed by prepolymerizing at least two types of .alpha.-olefin on an olefin polymerization catalyst comprising a solid titanium catalyst component, an organometallic compound catalyst component, and if necessary, an electron donor, to olefin polymerization catalyst comprising said solid catalyst component for olefin polymerization, an organometallic compound catalyst component, and if necessary, an electron donor, and to processes for olefin polymerization using said olefin polymerization catalyst.According to the present invention, there can be manufactured olefin polymer particles having low adhesive among the polymer particles as well as good particle distribution and excellent granular properties even when they contain a large amount of an amorphous olefin polymer portion.
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: October 6, 1992
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Mamoru Kioka, Masao Nakano, Takashi Ueda
  • Patent number: 5151397
    Abstract: A polymerization catalyst is formed by combining a metal halide compound, a solvent, an effective amount of water to reduce fines and increase particle size, and a transition metal compound to form a first catalyst component and mixing the first catalyst component with a precipitating agent. After mixing the first catalyst component and the precipitating agent, the mixture can be heated to a temperature higher than the mixing temperature to reduce polymer fines. In the alternative prepolymer can be deposited on the catalyst(s) in an amount effective to reduce polymer fines. Optionally the catalyst can be treated with a halide ion exchanging source. The catalyst can also be combined with an organometallic cocatalyst.
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: September 29, 1992
    Assignee: Phillips Petroleum Company
    Inventors: Kent E. Mitchell, Stanley J. Marwil
  • Patent number: 5147839
    Abstract: Ziegler polymerization of .alpha.-olefins is disclosed which is characterized by a solid catalyst component. The solid catalyst component, Component (A), comprises Sub-component (i) which is a solid catalyst component for Ziegler catalysts comprising Ti, Mg and a halogen; Sub-component (ii) which is a silicon compound having a plurality of a bond represented by a formula: Si--OR.sup.1R.sup.1.sub.m X.sub.n Si(OR.sup.2).sub.4-n-mwherein R.sup.1 indicates a hydrocarbyl group of 1 to 8 carbon atoms, Sub-component (iii) which is a vinylsilane compound, and Sub-component (iii) which is an organometal compound of a metal of Groups I to IV of the Periodic Table. No need of an outside electron donor may be required, and the polymer produced is improved in its content of a "tacky" polymer.
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: September 15, 1992
    Assignee: Mitsubishi Petrochemical Company Limited
    Inventors: Takashi Fujita, Toshihiko Sugano
  • Patent number: 5143880
    Abstract: A solid-catalyst component for use in the polymerization of .alpha.-olefins obtained byreducing a titanium compound represented by the following general formula:Ti(OR.sup.1).sub.n x.sub.4-nwherein R.sup.1 represents a hydrocarbon group having 1 to 20 carbon atoms, X represents a halogen atom and n represents a number satisyfing 0<n.ltoreq.4, with an organomagnesium compound in the presence of an organic silicon compound having Si--O bond to produce a solid product,treating the solid product with an ester compound,treating the ester-treated solid product with a mixture of an ether compound and titanium tetrachloride or with a mixture of an ether compound, titanium tetrachloride and an ester compound to obtain a trivalent titanium compound-containing solid catalyst precursor, andtreating the solid catalyst precursor with a small quantity of an olefin in the presence of an organoaluminum compound to obtain a solid catalyst component for use in the polymerization of .alpha.-olefins.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: September 1, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshio Sasaki, Takeshi Ebara, Kiyoshi Kawai
  • Patent number: 5139986
    Abstract: The invention relates to catalysts for ethylene polymerization or copolymerization to produce film quality product which exhibits improved FDA hexane extractables. The invention also relates to catalysts for ethylene polymerization or copolymerization to produce film quality product which exhibits improved dart impact resistance. The invention relates to catalysts for ethylene polymerization or copolymerization to produce film quality product which exhibits improved MD tear properties.
    Type: Grant
    Filed: August 6, 1991
    Date of Patent: August 18, 1992
    Assignee: Mobil Oil Corporation
    Inventors: Pam J. Cook, Robert O. Hagerty, Per K. Husby, Thomas E. Nowlin
  • Patent number: 5114896
    Abstract: This invention relates to a process for the production of a catalytic component for the polymerization of olefins, in particular, for the production of a catalytic component capable of exhibiting a high polymerization activity in the polymerization of olefins and giving a polymer containing less low molecular weight components in effective manner. This process is characterized by a process for the production of a catalytic component for the polymerization of olefins, which comprises contacting (a) metallic magnesium, (b) a halogenated hydrocarbon represented by the general formula RX wherein R is an alkyl group, ary group or cycloalkyl group having 1 to 20 carbon atoms and (c) a compound represented by the general formula X.sup.1.sub.n M(OR.sup.1).sub.m-n in which X.sup.1 is a hydrogen atom, a halogen atom or a hydrocarbon group of 1 to 20 carbon atoms, M is boron, carbon, aluminum, silicon or phosphorus atom, R.sup.1 is a hydrocarbon group of 1 to 20 carbon atoms, m is the atomic valence of M and m>n.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: May 19, 1992
    Assignee: Tonen Corporation
    Inventors: Teruo Yashiro, Seizaburo Kanazawa, Akira Nakano, Masahide Murata, Masafumi Imai
  • Patent number: 5102841
    Abstract: A process for the production of polyethylene comprising contacting ethylene or a mixture comprising ethylene and one or more alpha-olefins and, optionally, one or more diolefins, under polymerization conditions, with a catalyst system comprising:(a) a particulate catalyst precursor based on titanium or vanadium;(b) polypropylene support particles to which the catalyst precursor particles are bonded; and(c) a hydrocarbyl aluminum cocatalyst.
    Type: Grant
    Filed: December 11, 1990
    Date of Patent: April 7, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Kevin J. Cann, Robert C. Brady, III, Yimsan Gau
  • Patent number: 5096869
    Abstract: A vanadium-based catalyst system is treated with an aluminum alkoxide as a means of enhancing catalyst activity and polymer productivity.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: March 17, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventor: Kevin J. Cann
  • Patent number: 5089460
    Abstract: A catalyst system for the polymerization of alpha-olefins comprising:(a) a solid precursor comprising the reaction product of (i) a halogenated vanadium compound wherein the vanadium has a valence of 2 to 5; (ii) a magnesium compound; and (iii) an inside electron donor wherein the molar ratio of inside electron donor to vanadium compound is in the range of about 0.2:1 to about 2:1; the atomic ratio of magnesium to vanadium is in the range of about 3:1 to about 40:1; and the reaction product (A) is a solid having a surface area greater than about 10 square meters per gram or (B) is adsorbed on the surface of an inorganic support having a surface area greater than about 10 square meters per gram;(b) a hydrocarbyl aluminum cocatalyst wherein the atomic ratio of aluminum to vanadium is in the range of about 2:1 to about 300:1; and(c) an outside electron donor wherein the molar ratio of outside electron donor to aluminum is in the range of about 0.02:1 to about 1:1.
    Type: Grant
    Filed: March 1, 1991
    Date of Patent: February 18, 1992
    Assignee: Academy of Applied Science, Inc.
    Inventor: James C. W. Chien
  • Patent number: 5077250
    Abstract: An olefin polymerization catalyst comprising:(A) a solid catalyst component containing a trivalent titanium, which is represented by the composition formulaMg.sub.m Ti(OR).sub.n X.sub.p [ED].sub.q(wherein R is a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen, ED is a electron donative compound, and m, n, p and q are each a number satisfying 1.ltoreq.m.ltoreq.51, 0<n.ltoreq.5, 5.ltoreq.p.ltoreq.106 and 0.2.ltoreq.q.ltoreq.2) obtained by reducing a titanium compound represented by the general formula Ti(OR.sup.1).sub.a X.sub.4-a (wherein R.sup.1 is a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom and a is a number satisfying 0<a.ltoreq.
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: December 31, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshihiro Miyoshi, Hiroyuki Shiraishi, Takeshi Ebara, Toshio Sasaki, Kiyoshi Kawai
  • Patent number: 5071810
    Abstract: A vanadium-based catalyst system is treated with a boron alkoxide as a means of enhancing catalyst activity and polymer productivity.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: December 10, 1991
    Assignee: Union Carbide Chemicals and Plastics Technology Corporation
    Inventor: Kevin J. Cann
  • Patent number: 5070055
    Abstract: A supported, electron donor-complexed reduced vanadium.sup.(<3) /zirconium coimpregnated catalyst possessing enhanced activity, the methods of its manufacture and ethylene polymers of broad molecular weight distribution produced therewith.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: December 3, 1991
    Assignee: Union Carbide Chemicals and Plastics Technology Corporation
    Inventors: Kathleen D. Schramm, Frederick J. Karol
  • Patent number: 5064798
    Abstract: This invention provides new supported catalyst compositions for the polymerization of 1-olefins, together with processes for preparing and using the catalysts. The catalyst compositions include two catalyst components. The first catalyst component is formed by reacting a halogen-containing compound of the formula: H.sub.a M.sup.1 X.sup.1.sub.b R.sup.1.sub.(c-b-a) wherein M.sup.1 is boron, carbon, silicon or mixtures thereof; X.sup.1 is Cl, Br or mixtures thereof; R.sup.1 is a hydrocarbyl or alkoxy radical; with a mixture produced by contacting a finely divided porous inorganic oxide support in an inert solvent with a solution made by combining a magnesium dihydrocarbyloxide dissolved in an inert solvent, and of the formula: Mg(OR.sup.2).sub.2 wherein R.sup.2 is a hydrocarbyl radical, with a transition metal hydrocarbyloxide of the formula: M.sup.2 (OR.sup.3).sub.y wherein M.sup.2 is a transition metal from Group IVB, VB, and VIB of the Periodic Table; and R.sup.3 is a hydrocarbyl radical.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: November 12, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventor: Main Chang
  • Patent number: RE33683
    Abstract: A catalyst composition for polymerizing alpha-olefins is prepared by reacting a transition metal compound, e.g., titanium, with trimethylaluminum catalyst activator. In a preferred embodiment, the catalyst is supported on a porous refractory support and is prepared by additionally reacting a magnesium compound or an organomagnesium composition with the support.Also disclosed is a process for polymerizing alpha-olefins in the presence of the catalyst of the invention. The polymer products have higher bulk density and produce films of greater strength than polymers prepared with similar catalysts utilizing different alkyl-aluminum activators, e.g., triethylaluminum and triisobutylaluminum.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: September 3, 1991
    Assignee: Mobil Oil Corporation
    Inventors: Louanne M. Allen, Robert O. Hagerty, Richard O. Mohring