Nontransition Heavy Metal Compound Is Halogen-containing Patents (Class 526/122)
-
Patent number: 10584039Abstract: Titanium-containing film forming compositions comprising titanium halide-containing precursors are disclosed. Also disclosed are methods of synthesizing and using the disclosed precursors to deposit Titanium-containing films on one or more substrates via vapor deposition processes.Type: GrantFiled: November 30, 2017Date of Patent: March 10, 2020Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Antonio Sanchez, Jean-Marc Girard, Grigory Nikiforov, Nicolas Blasco
-
Patent number: 8507450Abstract: The invention relates to a crystalline hydrate of 1-chloro-4-(?-D-glucopyranos-1-yl)-2-(4-ethynyl-benzyl)-benzene and to crystalline complexes between 1-chloro-4-(?-D-glucopyranos-1-yl)-2-(4-ethynyl-benzyl)-benzene and a natural amino acid, to methods for the preparation thereof, as well as to uses thereof for preparing medicaments.Type: GrantFiled: September 7, 2006Date of Patent: August 13, 2013Assignee: Boehringer Ingelheim International GmbHInventors: Matthias Eckhardt, Frank Himmelsbach, Tanja Butz, Martin Schuehle, Hans-Juergen Martin
-
Patent number: 8288490Abstract: A production process of a contact product, which can be used as a polymerization catalyst component, comprising contacting a metal oxide such as zinc oxide with a compound defined by a specific formula such as trifluoroacetic 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: GrantFiled: July 6, 2011Date of Patent: October 16, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Kazuyuki Ito, Kazuo Takaoki
-
Publication number: 20120053306Abstract: A production process of a contact product, which can be used as a polymerization catalyst component, comprising contacting a metal oxide such as zinc oxide with a compound defined by a specific formula such as trifluoroacetic 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: ApplicationFiled: July 6, 2011Publication date: March 1, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuyuki ITO, Kazuo TAKAOKI
-
Publication number: 20110245438Abstract: A production process of a pre-polymerized catalyst component, comprising steps of (i) contacting a transition metal compound defined by formula [1], an activation agent, an organometallic compound defined by formula [2], and an optional organoaluminum compound with one another, thereby forming a primary polymerization catalyst, and (ii) pre-polymerizing an olefin in the presence of the primary polymerization catalyst; and a process for producing an addition polymer, comprising a step of polymerizing an addition polymerizable monomer in the presence of a pre-polymerized catalyst component produced by the above production process, or in the presence of the pre-polymerized catalyst component and an organoaluminum compound.Type: ApplicationFiled: March 24, 2011Publication date: October 6, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Takuya OGANE
-
Publication number: 20100331504Abstract: The present invention relates to catalysts systems for the polymerization of olefins CH2?CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising (A) a solid catalyst component comprising Ti, Mg, and halogen (B) an aluminum alkyl compound and (C) a halogenated germanium compound. Said catalyst systems have improved polymerization activity.Type: ApplicationFiled: February 3, 2009Publication date: December 30, 2010Applicant: BASELL POLYOLEFINE ITALIA S.R.L.Inventor: Masaki Fushimi
-
Publication number: 20100056736Abstract: This invention relates to an improved method for improving the tacticity of Ziegler-Natta catalyst systems and for controlling the behaviour of the active stereospecific sites.Type: ApplicationFiled: April 4, 2007Publication date: March 4, 2010Applicants: TOTAL PETROCHEMICALS RESEARCH FELUY, Centre National de la Recherche Scientifique (CNRInventors: David Ribour, Roger Spitz, Jerome Gromada
-
Patent number: 7427653Abstract: A catalyst component for olefin (co)polymerization, and in particular for the preparation of LLDPE, comprising Mg, Ti, halogen and an electron donor compound (ED) belonging to ethers, esters, amines, ketones, or nitriles, characterized in that the molar ratio Mg/Ti is higher than 5, and the molar ratio ED/Ti is higher than 3.5. The said catalyst components display a homogeneous distribution of the comonomer in and among the copolymer chains.Type: GrantFiled: November 25, 2003Date of Patent: September 23, 2008Assignee: Basell Poliolefine Italia S.p.AInventors: Diego Brita, Gianni Collina, Giampiero Morini, Gianni Vitale
-
Patent number: 6911507Abstract: A cyclic olefin having a specific polar group is polymerized by addition polymerization in a hydrocarbon solvent, using a polymerization catalyst component containing (i) a specific transition metal compound, (ii) a Lewis acid compound and (iii) an alkyl aluminoxane, or the cyclic olefin is polymerized by addition polymerization in the hydrocarbon solvent, using the polymerization catalyst component, by further adding at least one aromatic vinyl compound and at least one cyclic nonconjugated polyene compound, or either one of them as a molecular weight modifier, thereby obtaining a cyclic olefinic addition polymer.Type: GrantFiled: January 23, 2001Date of Patent: June 28, 2005Assignee: JSR CorporationInventors: Kenzo Ohkita, Noboru Oshima, Takashi Imamura, Takashi Tsubouchi
-
Patent number: 6726906Abstract: The present invention relates to a method for treating obesity, a method for reducing the absorption of dietary fat, and a method for treating hypertriglyceridemia in a patient and to particular polymers for use in the methods or in a manufacture of a medicament. The methods comprise the step of orally administering to a mammal, such as a human, a therapeutically effective amount of one or more fat-binding polymers. The administration of the fat-binding polymer of the invention facilitates the removal of fat from the body prior to digestion, with minimal side effects and low toxicity. In a preferred embodiment, the one or more fat-binding polymers are administered in combination with one or more lipase inhibitors, for example, lipstatin and tetrahydrolipstatin.Type: GrantFiled: November 22, 2000Date of Patent: April 27, 2004Assignee: Genzyme CorporationInventors: Thomas Jozefiak, Stephen Randall Holmes-Farley, W. Harry Mandeville, III, Chad Cori Huval, Venkata R. Garigapati, Keith K. Shackett, Danny Concagh
-
Patent number: 6677423Abstract: Polyethylene is formed by contacting ethylene with a novel iron or cobalt complex of a selected 1,4,7-triaza-3-oxa-1,4,6-heptatriene or 2,5,8-triaza-1,8-nonadiene, optionally in the presence of a cocatalyst such as an alkylaluminum compound. The polymers formed as useful for molding and in films.Type: GrantFiled: July 31, 2002Date of Patent: January 13, 2004Assignee: E. I. du Pont de Nemours and CompanyInventor: Lynda Kaye Johnson
-
Patent number: 6489411Abstract: Processes for the polymerization of olefins with Zeigler-type catalyst systems which involve transition metal catalyst components comprising 4, 5 or 6 transition metals incorporating internal electron donors to provide desired polymerization characteristics, including yield and polymer characteristics. Specific olefins used in the polymerization process are C2-C4 alpha olefins such as propylene in the production of stereoregular polypropylene. The catalyst system comprised a transition metal component having an internal electron donor in an amount providing an internal donor/transition metal mole ratio of no more than 2/3. This is combined with an organoaluminum co-catalyst component to provide a precusor mixture having an aluminum/transition metal mole ration of at least 100. The precusor mixture is combined with an organosilicon external electron donor component in an amount to provide an aluminum/silicon mole ration of no more than 200.Type: GrantFiled: August 30, 2000Date of Patent: December 3, 2002Assignee: Fina Technology, Inc.Inventors: Edwar S. Shamshoum, David J. Rauscher, Shabbir A. Malbari
-
Patent number: 6242395Abstract: A composition including polyalphaolefins that function as drag reducing agents and a process for the preparation of polyalphaolefins that function as drag reducing agents are disclosed. The process includes contacting alpha olefin monomers with a catalyst system, which includes a catalyst and an activator (co-catalyst) in a reactant mixture. The catalyst is a transition metal catalyst, preferably titanium trichloride, and the co-catalyst may include an alkylaluminoxane, alone or in combination, with a dialkylaluminum halide or a halohydrocarbon. The polymerization of the alpha olefin monomers produces a non-crystalline, ultra-high molecular weight polyalphaolefin having an inherent viscosity of at least 10 dL/g.Type: GrantFiled: September 15, 1999Date of Patent: June 5, 2001Assignee: Energy & Environmental International, L.C.Inventors: Gerald B. Eaton, Michael J. Monahan, Robert J. Tipton
-
Publication number: 20010002389Abstract: A composition including polyalphaolefins that function as drag reducing agents and a process for the preparation of polyalphaolefins that function as drag reducing agents are disclosed. The process includes contacting alpha olefin monomers with a catalyst system. which includes a catalyst and an activator (co-catalyst) in a reactant mixture. The catalyst is a transition metal catalyst, preferably titanium trichloride, and the co-catalyst may include an alkylaluminoxane, alone or in combination, with a dialkylaluminum halide or a halohydrocarbon. The polymerization of the alpha olefin monomers produces a non-crystalline, ultra-high molecular weight polyalphaolefin having an inherent viscosity of at least 10 dL/g.Type: ApplicationFiled: January 16, 2001Publication date: May 31, 2001Inventors: Gerald B. Eaton, Michael J. Monahan, Robert J. Tipton
-
Patent number: 6162773Abstract: A composition including polyalphaolefins that function as drag reducing agents and a process for the preparation of polyalphaolefins that function as drag reducing agents are disclosed. The process includes contacting alpha olefin monomers with a catalyst system, which includes a catalyst and an activator (co-catalyst) in a reactant mixture. The catalyst is a transition metal catalyst, preferably titanium trichloride, and the co-catalyst may include an alkylaluminoxane, alone or in combination, with a dialkylaluminum halide or a halohydrocarbon. The polymerization of the alpha olefin monomers produces a non-crystalline, ultra-high molecular weight polyalphaolefin having an inherent viscosity of at least 10 dL/g.Type: GrantFiled: September 15, 1999Date of Patent: December 19, 2000Assignee: Energy & Environmental International, L.C.Inventors: Gerald B. Eaton, Michael J. Monahan, Robert J. Tipton
-
Patent number: 6127305Abstract: An active catalyst in the polymerization of alpha-olefins is obtained by:(i) bringing a dialkyl magnesium, or an alkyl magnesium halide into contact with a silicon or tin halide, in solution in an inert organic solvent, until a granular solid precipitates off;(ii) suspending said solid precipitate in an inert organic solvent and bringing it into contact with a compound which can be defined by the formula: ##STR1## wherein M represents a metal from Group IVB of the Periodic Table of Elements, and each R and C.sub.p has the meaning as reported in the disclosure, in order to form a granular solid catalyst; and(iii) recovering said solid catalyst from the resulting suspension.Type: GrantFiled: October 3, 1996Date of Patent: October 3, 2000Assignee: Enichem S.p.AInventors: Federico Milani, Luciano Luciani, Bruno Pivotto, Antonio Labianco
-
Patent number: 6034258Abstract: Transition metal complexes of the formula IL.sub.m MX.sub.n I,whereL is a ligand of the formula II ##STR1## m is 1 or 2, M is a titanium, zirconium, hafnium, vanadium, niobium, tantalum, or a rare earth metal,X is fluorine, chlorine, bromine, iodine, hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.15 -aryl or OR.sup.1,n is 1, 2, 3, or 4 as defined herein, andR.sup.1, R.sup.2, R.sup.3, R.sup.4, and A are as defined herein,and the use of these complexes as catalysts for olefin polymerization are described herein.Type: GrantFiled: April 16, 1997Date of Patent: March 7, 2000Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Hans-Helmut Gortz, Berth-Jan Deelmann, Michael Franz Lappert, Wing-Por Leung, Hung-Kay Lee
-
Patent number: 6015779Abstract: A composition including polyalphaolefins that function as drag reducing agents and a process for the preparation of polyalphaolefins that function as drag reducing agents are disclosed. The process includes contacting alpha olefin monomers with a catalyst system, which includes a catalyst and an activator (co-catalyst) in a reactant mixture. The catalyst is a transition metal catalyst, preferably titanium trichloride, and the co-catalyst may include an alkylaluminoxane, alone or in combination, with a dialkylaluminum halide or a halohydrocarbon. The polymerization of the alpha olefin monomers produces a non-crystalline, ultra-high molecular weight polyalphaolefin having an inherent viscosity of at least 10 dL/g.Type: GrantFiled: May 20, 1998Date of Patent: January 18, 2000Assignee: Energy & Environmental International, L.C.Inventors: Gerald B. Eaton, Michael J. Monahan, Robert J. Tipton
-
Patent number: 5936049Abstract: Disclosed is a process for preparing a solid titanium catalyst component, comprising contacting (a) a liquid magnesium compound, (b) a liquid titanium compound, (c) an electron donor and (d) a solid divalent metallic halide. In this process, the solid divalent metallic halide is one having a crystalline structure of the cadmium chloride type. The contact of the component (a) with the component (b) is preferably carried out in the presence of the solid divalent metallic halide (d). According to this process, there can be obtained a solid titanium catalyst component capable of polymerizing olefins with an extremely high activity and capable of producing polyolefins of high stereoregularity when .alpha.-olefins of 3 or more carbon atoms are polymerized.Type: GrantFiled: April 7, 1997Date of Patent: August 10, 1999Assignee: Mitsui Chemicals, Inc.Inventors: Shinichi Kojoh, Masao Nakano
-
Patent number: 5886202Abstract: Bridged fluorenyl/indenyl metallocenes having substituents at the 3 position of the indenyl and the use thereof in the polymerization of olefins are disclosed. Also a new method for preparing bridged fluorenyl/indenyl ligands wherein the indenyl has a substituent in the 3 position and the preparation of metallocenes with such ligands.Type: GrantFiled: September 12, 1997Date of Patent: March 23, 1999Inventors: Michael Jung, Helmut G. Alt, M. Bruce Welch
-
Patent number: 5869584Abstract: A highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I ##STR1## in which, preferably M.sup.1 is Zr or Hf, R.sup.1 and R.sup.2 are alkyl or halogen, R.sup.5 is hydrogen or alkyl, R.sup.3 and R.sup.4 are alkyl, where R.sup.3, R.sup.4 and R.sup.5 may be halogenated, --(CR.sup.7 R.sup.8).sub.m --R.sup.6 --(CR.sup.7 R.sup.8).sub.n -- is a single- or multi-membered chain in which R.sup.6 may also be a (substituted) heteroatom, and m+n is zero or 1.Type: GrantFiled: June 2, 1995Date of Patent: February 9, 1999Assignee: Targor GmbHInventors: Andreas Winter, Frank Kueber, Walter Spaleck, Herbert Riepl, Wolfgang Anton Herrmann, Volker Dolle, Juergen Rohrmann
-
Patent number: 5866663Abstract: Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-catalysts. Since some of the polymerizations exhibit some characteristics of living polymerizations, block copolymers can be readily made. Many of the polymers produced are often novel, particularly in regard to their microstructure, which gives some of them unusual properties. Numerous novel catalysts are disclosed, as well as some novel processes for making them. The polymers made are useful as elastomers, molding resins, in adhesives, etc. Also described herein is the synthesis of linear .alpha.-olefins by the oligomerization of ethylene using as a catalyst system a combination a nickel compound having a selected .alpha.-diimine ligand and a selected Lewis or Bronsted acid, or by contacting selected .alpha.Type: GrantFiled: July 10, 1997Date of Patent: February 2, 1999Assignees: E. I. du Pont de Nemours and Company, University of North CarolinaInventors: Maurice S. Brookhart, Lynda Kaye Johnson, Christopher Moore Killian, Samuel David Arthur, Jerald Feldman, Elizabeth Forrester McCord, Stephan James McLain, Kristina Ann Kreutzer, Alison Margaret Anne Bennett, Edward Bryan Coughlin, Steven Dale Ittel, Anju Parthasarathy, Lin Wang, Zhen-Yu Yang
-
Patent number: 5852145Abstract: Certain olefins such as ethylene, .alpha.-olefins and cyclopentene can be polymerized by using catalyst system containing a nickel or palladium .alpha.-diimine complex, a metal containing hydrocarbylation compound, and a selected Lewis acid, or a catalyst system containing certain nickel ?II! or palladium ?II! compounds, an .alpha.-diimine, a metal containing hydrocarbylation compound, and optionally a selected Lewis acid. The process advantageously produces polyolefins useful for molding resins, films, elastomers and other uses.Type: GrantFiled: July 21, 1997Date of Patent: December 22, 1998Assignee: E. I. du Pont de Nemours and CompanyInventors: Stephan James McLain, Jerald Feldman
-
Patent number: 5731254Abstract: A syndiotactic polyolefin is obtained in a high yield by polymerization or copolymerization of an olefin of the formula R.sup.a --CH.dbd.CH--R.sup.b in the presence of a catalyst consisting of a metallocene of the formula I ##STR1## in which M.sup.1 is titanium, zirconium, vanadium, niobium or tantalum, and an aluminoxane. This polyolefin has a very high molecular weight, a very narrow molecular weight distribution and a very high syndiotactic index. Shaped articles produced from the polymer are distinguished by a high transparency, flexibility, tear resistance and an excellent surface gloss.Type: GrantFiled: June 5, 1995Date of Patent: March 24, 1998Assignee: HoechstInventors: Andreas Winter, Jurgen Rohrmann, Martin Antberg, Volker Dolle, Walter Spaleck
-
Patent number: 5508245Abstract: Spherical components of catalysts for the polymerization of olefins comprising:(a) a vanadium compound selected from the compounds of formula VOX.sub.2 Y or VX.sub.n Y.sub.n-4n, where X is Cl or Br and Y is Cl, Br OR or NR.sup.I.sub.2(b) MgCl.sub.2 in spherical form.Said components have an average diameter greater than 1 .mu.m, a surface area of at least 10 m.sup.2 /g, a porosity of at least 0.1 g/cm.sup.3 and an X-ray spectrum having particular characteristics.Type: GrantFiled: November 20, 1992Date of Patent: April 16, 1996Assignees: Montell Technology Company bv, Montell North America Inc.Inventors: Giampiero Morini, Enrico Albizzati, Umberto Giannini, Matteo Nicolini
-
Patent number: 5502126Abstract: The subject invention relates to a technique for synthesizing rubbery non-tapered, random, copolymers of 1,3-butadiene and isoprene. These rubbery copolymers exhibit an excellent combination of properties for utilization in tire sidewall rubber compounds for truck tires. By utilizing these isoprene-butadiene rubbers in tire sidewalls, tires having improved cut growth resistance can be built without sacrificing rolling resistance. Such rubbers can also be employed in tire tread compounds to improve tread wear characteristics and decrease rolling resistance without sacrificing traction characteristics.Type: GrantFiled: October 28, 1994Date of Patent: March 26, 1996Assignee: The Goodyear Tire & Rubber CompanyInventors: Anthony J. Bell, Barry A. Matrana, Adel F. Halasa
-
Patent number: 5498676Abstract: A high activity olefin polymerization catalyst catalyzes the production of polymeric lower .alpha.-olefin having good properties. The catalyst is produced from an organoaluminum cocatalyst, a selectivity control agent and a novel olefin polymerization procatalyst which is prepared by contacting a tetravalent titanium halide, an optional inert diluent, an electron donor and a novel solid procatalyst precursor obtained by contacting (a) a carbonated magnesium alkoxide of the general formula ##STR1## wherein R is a hydrocarbyl group having up to 12 carbon atoms and x is a number from 0.1 to about 2; and (b) at least one halogenating compound which is a non-transition metal halogenated compound or non-metallic halogenated compound. A process for polymerizing one or more .alpha.-olefins utilizing the novel high activity polymerization catalyst.Type: GrantFiled: January 3, 1995Date of Patent: March 12, 1996Assignee: Shell Polypropylene CompanyInventors: Stanley E. Wilson, Richard A. Kemp
-
Patent number: 5491205Abstract: Polymers of C.sub.2 -C.sub.10 -alk-1-enes are prepared at from 0.5 to 3000 bar and from -50.degree. to 300.degree. C. using a catalyst system by a process in which the catalyst system used is one which contains, as active components:a) a metallocene complex of the general formula I ##STR1## where M is titanium, zirconium, hafnium, vanadium, niobium or tantalum,X is fluorine, chlorine, bromine, iodine, hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.15 -aryl or --OR.sup.7,R.sup.7 is C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.15 -aryl, alkylaryl, arylalkyl, fluoroalkyl or fluoraryl, where each alkyl radical is of 1 to 10 carbon atoms and each aryl radical is of 6 to 20 carbon atoms,R.sup.1 to R.sup.6 are each hydrogen, C.sub.1 -C.sub.10 -alkyl, 5-membered to 7-membered cycloalkyl, which in turn may carry C.sub.1 -C.sub.10 -alkyl radicals as substituents, C.sub.6 -C.sub.15 -aryl or arylalkyl, where two adjacent radicals together may furthermore be a cyclic group of 4 to 15, carbon atoms, or Si(R.sup.8).sub.3R.Type: GrantFiled: October 28, 1994Date of Patent: February 13, 1996Assignee: BASF AktiengesellschaftInventors: Franz Langhauser, Jurgen Kerth, Gunther Schweier, Hans-Herbert Brintzinger, Stefan Mansel, Werner Roell, Robin Kirsten
-
Patent number: 5438093Abstract: Solution and RIM polymerization of cycloolefins containing at least one norbornene moiety is carried out in the presence of a methathesis catalyst system and an activator, particularly a chlorosilane activator, to obtain faster reaction with higher conversions at lower mold temperatures. The methathesis catalyst system includes an organoammonium molybdate or tungstate catalyst and an alkylaluminum or an alkylaluminum halide cocatalyst. The chlorosilane activator is used at a level of 0.05 to 10 millimoles per mole of the cycloolefin monomers. The polymers of cycloolefins can be impact modified and/or flame-retarded.Type: GrantFiled: June 26, 1992Date of Patent: August 1, 1995Assignee: B. F. Goodrich CompanyInventors: Paul T. Stricharczuk, Robert J. Minchak, Timothy J. Kettering, Dennis J. Janda, Glen R. Gribble, Jr.
-
Patent number: 5416179Abstract: A process for the polymerization of mono-1-olefins employing a catalyst composition comprising a metallocene compound and isobutene. The catalyst composition exhibits improved productivity. In a preferred embodiment an aluminoxane is employed as a cocatalyst.Type: GrantFiled: March 16, 1994Date of Patent: May 16, 1995Assignee: Phillips Petroleum CompanyInventors: M. Bruce Welch, Paul Barbee
-
Patent number: 5391659Abstract: A polymerization catalyst is formed by producing a solution of a halide of scandium, yttrium, or a rare earth metal and an alcohol; contacting the solution with an organometallic compound to form a soluble complex; and contacting the soluble complex with a halide ion exchanging source. Optionally an ester or an anhydride can also be combined with the halide solution or the soluble complex. The catalyst thus produced can be combined with an organometallic cocatalyst.Type: GrantFiled: May 14, 1993Date of Patent: February 21, 1995Assignee: Phillips Petroleum CompanyInventors: Ted M. Pettijohn, Henry L. Hsieh
-
Patent number: 5118769Abstract: A manufacturing method of polyolefin is disclosed wherein the catalyst used for the polymerization of .alpha.Type: GrantFiled: July 5, 1988Date of Patent: June 2, 1992Assignee: Toyo Soda Manufacturing Co., Ltd.Inventors: Yozo Kondo, Mitsuhiro Mori, Yutaka Naito, Hideyuki Takitani, Toshikazu Chikusa
-
Patent number: 5096970Abstract: A conjugated diene compound prepolymer solution useful for the production of a vinyl aromatic compound high impact polymer material is produced by a process in which a prepolymerization mixture is prepared from 1 to 70 parts by weight of a conjugated diene compound and 30 to 99 parts by weight of a vinyl aromatic compound, and is prepolymerized at 0.degree. C. to 150.degree. C. in the presence of a prepolymerization catalyst which can cause the conjugated diene compound to be selectively polymerized but is substantially not effective for the polymerization of the vinyl aromatic compound to an extent such that the conjugated diene compound and the vinyl aromatic compound are prepolymerized at degrees of conversion of the conjugated diene compound at least 50% and 10% or less, respectively, and the resultant prepolymer solution is further polymerized by a radical or anionic polymerization method so that the vinyl aromatic compound is polymerized with the conjugated diene compound prepolymer.Type: GrantFiled: August 31, 1990Date of Patent: March 17, 1992Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Yasuo Hattori, Yuichi Kitagawa
-
Patent number: 4977226Abstract: Process for production of a molded article comprising polymerizing a norbornene monomer having bicyclic or higher cyclic structure in the presence of a metathesis catalyst system and a viscosity modifier having room temperature viscosity of 300 to 50,000 cps which viscosity modifier comprises a ring-opened polymer and unreacted norbornene monomer having bicyclic or higher cyclic structure.Type: GrantFiled: September 12, 1988Date of Patent: December 11, 1990Inventors: Tomoo Sugawara, Motoyuki Yamato
-
Patent number: 4952649Abstract: A solid titanium catalyst component (A) of a catalyst system useful in the polymerization of olefins or copolymerization of two or more olefins or one or more olefins and a diene is prepared by contacting a liquid hydrocarbon solution of (i) a magnesium compound, such as magnesium chloride, with (ii) a liquid titanium compound, such as TiCl.sub.4, or a solution of a titanium compound in a hydrocarbon solvent, to form a solid product. The solid product is formed in the presence of (D) an electron donor, e.g. methyl formate, acetic acid, acetic anhydride, acetone, methyl ether, butyl Cellosolve, dimethyl carbonate, methyl silicate. The solid product is also contacted with a polycarboxylic acid ester, e.g. diethyl methylsuccinate. The polymerization or copolymerization of the olefin is carried out in the presence of the solid titanium catalyst (A) and (B) an organometallic compound of a Group I to III metal and (C) an organic silicon compound having an Si--O--C bond.Type: GrantFiled: March 11, 1988Date of Patent: August 28, 1990Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Mamoru Kioka, Norio Kashiwa
-
Patent number: 4885349Abstract: A catalyst composition for polymerizing alpha-olefins is prepared by treating a carrier with a mixture of at least one organo-magnesium composition of the formula(OR').sub.n Mg(OR).sub.m (I)where R and R' are the same or different C.sub.1 -C.sub.12 hydrocarbyl groups, m and n are each 0, 1 or 2, m+n=valence of Mg, and a compound of the formulaMX.sub.p (II)where M is Si, C, Ge or Sn, X is Cl or Br, and p is the valence of M, in a solvent capable of dissolving the mixture. The product of this step may or may not be dried. Subsequently, it is contacted with a transition metal compound.The polymer resins produced with the resulting catalyst have relatively narrow molecular weight distribution and high melt index values.Type: GrantFiled: February 18, 1988Date of Patent: December 5, 1989Assignee: Mobil Oil CorporationInventor: Thomas E. Nowlin
-
Patent number: 4849483Abstract: A process for producing a catalyst component for polymerization of olefins which comprises contacting (a) a metal oxide with (b) a magnesium alkoxide, contacting the resulting contact product with (c) a halogen-containing compound, and finally contacting the resulting contact product with (d) a titanium compound.Type: GrantFiled: April 16, 1987Date of Patent: July 18, 1989Assignee: Toa Nenryo Kogyo K.K.Inventors: Mamoru Tachikawa, Masato Sakuma, Satoshi Ueki, Chihiro Imai, Tokuo Makishima
-
Patent number: 4719271Abstract: A catalyst, a process of forming the catalyst, and polymerizing at least one alpha-olefin with the catalyst, said catalyst produced by precipitating a composition from a solution of a metal halide, for example, magnesium dihalide, and a transition metal compound, for example, titanium tetraalkoxide, in the presence of a particulate diluent, for example, polymeric fibrils, with an agent selected from among specified organometallic compounds, metal halides and oxygen-containing metal halides, hydrogen halides and organic acid halides. The composition is preferably further treated with a halide ion exchanging source, for example, titanium tetrahalide to form a particularly active catalyst. The catalyst is preferably used in combination with a cocatalyst comprising a metal hydride of organometallic compound selected from an element of Periodic Groups IA, IIA and IIIA.Type: GrantFiled: September 9, 1983Date of Patent: January 12, 1988Assignee: Phillips Petroleum CompanyInventor: Richard E. Dietz
-
Patent number: 4699961Abstract: Catalysts having high efficiency in preparing olefin polymers while controlling molecular weight distribution are disclosed. The catalysts utilize magnesium siloxide supports and the product polymer molecular weight distribution can be controlled by the catalyst preparation.Type: GrantFiled: June 16, 1986Date of Patent: October 13, 1987Assignee: E. I. Du Pont de Nemours & Co.Inventor: Donald E. Gessell
-
Patent number: 4686199Abstract: A process for producing a catalyst component for polymerization of olefins which comprises contacting (a) a metal oxide with (b) a magnesium alkoxide, contacting the resulting contact product with (c) a halogen-containing compound, and finally contacting the resulting contact product with (d) a titanium compound.Type: GrantFiled: November 27, 1985Date of Patent: August 11, 1987Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Mamoru Tachikawa, Masato Sakuma, Satoshi Ueki, Chihiro Imai, Tokuo Makishima
-
Patent number: 4678767Abstract: A process for producing a catalyst component for polymerization of olefins which comprises contacting (a) a metal oxide with (b) an organomagnesium compound represented by the formula RMgR' wherein R denotes a hydrocarbyl group and R' denotes a hydrocarbyl group or a halogen atom, contacting the resulting contacting product with (c) carbon dioxide, and further contacting the resulting contact product with (d) a titanium compound. Optionally, the carbon dioxide contacted product can be treated with the halogen-containing compound prior to contact with the titanium compound.Type: GrantFiled: November 27, 1985Date of Patent: July 7, 1987Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Mamoru Tachikawa, Satoshi Ueki, Masato Sakuma, Chihiro Imai, Tokuo Makishima
-
Patent number: 4649182Abstract: The catalysts are composed of an organometallic compound and a solid catalytic component which is the reaction product of a transition metal derivative and a solid support having a composition, at least on its surface, which corresponds to the formula M(OH).sub.x X.sub.y.nH.sub.2 O wherein X is a halogen, M is a bivalent metal 1>x>0, y=2-x, and 1>n.gtoreq.o. Polymerization and copolymerization of olefins are carried out advantageously using the new catalysts.Type: GrantFiled: August 22, 1985Date of Patent: March 10, 1987Assignee: Solvay & CieInventors: Andre Delbouille, Jean-Louis Derroitte
-
Patent number: 4625003Abstract: A titanium halide containing catalyst component for polymerization of olefins which is prepared by reacting a magnesium hydrocarbyloxide with a silicon compound having at least one hydrogen-silicon bond, contacting the reaction product with an electron donor compound, contacting the resulting contact product two or more times with a titanium halide and between one of the multiple titanium halide contacts, contacting the titanium halide contacted solid with a halide of an element selected from the group consisting of elements of Groups IIIa, IVa, and Va of the Periodic Table of elements.Type: GrantFiled: August 30, 1985Date of Patent: November 25, 1986Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Masafumi Imai, Tadashi Yamamoto, Hiroyuki Furuhashi, Hiroshi Ueno, Naomi Inaba
-
Patent number: 4613655Abstract: New catalysts for the polymerization of olefins and more particularly of ethylene and mixtures thereof with higher alpha-olefins and/or diolefins, are disclosed. The catalysts are prepared by mixing (a) a hydride or an organo-metallic compound of a metal belonging to Groups I, II or III of the Mendelyeev Periodic Table with (b) the product obtained by contacting a titanium compound (1) with a mixture of an anhydrous magnesium halide (2) in a particular active form and an anhydrous compound of a metal belonging to Group I or II of said Periodic Table, (3). In the particular active form to which it is converted, during or prior to the contacting the anhydrous magnesium halide is characterized in that, in its X-ray spectrum, the diffraction line which is most intense in the X-ray spectrum of the normal, inactive magnesium halide shows a decreased intensity, and/or the active magnesium halide has a surface area greater than 3 m.sup.2 /g.Type: GrantFiled: January 15, 1981Date of Patent: September 23, 1986Assignee: Montedison S.p.A.Inventors: Paolo Longi, Umberto Giannini, Romano Mazzocchi, Domenico Deluca
-
Patent number: 4603183Abstract: A method is provided for preparing hydrocarbon soluble magnesium siloxide supports comprising contacting such supports with sufficient aluminum alkoxide or organic ethers to render the supports hydrocarbon soluble. Thereafter the supports are contacted with a transition metal compound and halogenated to obtain polymerization catalysts.Type: GrantFiled: December 24, 1984Date of Patent: July 29, 1986Assignee: E. I. Du Pont de Nemours & Co.Inventor: Donald E. Gessell
-
Patent number: 4603184Abstract: A process for producing .alpha.-olefin polymers is proposed wherein the catalyst prepared and used therein is superior in the shelf stability and heat stability. The process comprises reacting TiCl.sub.4 with a reaction product (I) of an organoaluminum compound with an electron donor to obtain a solid product (II), which is then subjected to polymerization treatment with an .alpha.-olefin, and further reacted with an electron donor and an electron acceptor to obtain a solid product (III), which is then combined with an organoaluminum compound, to obtain a catalyst, in the presence of which .alpha.-olefin(s) are polymerized. The catalyst can be further preactivated with an .alpha.-olefin in advance of its use for the polymerization.Type: GrantFiled: April 29, 1983Date of Patent: July 29, 1986Assignee: Chisso CorporationInventors: Akihiro Sato, Toshihiro Uwai, Masami Tachibana, Kenji Matsuda, Yoshiharu Higuchi
-
Patent number: 4537938Abstract: Provided is an olefin-polymerization catalyst comprising the combination of the following components [I] and [II]:[I] a solid component obtained by intercontacting and reacting the following components (1) through (4):(1) a compound obtained by treating an oxide of an element of Groups II-IV in the Periodic Table with a compound represented by the general formula R.sup.1.sub.m Si(OR.sup.2).sub.n.sup.X.sub.4-m-n wherein R.sup.1 and R.sup.2 are each a hydrocarbon radical having 1 to 24 carbon atoms, a hydrocarbon radical containing oxygen, sulfur or nitrogen, or hydrogen, X is a halogen atom, m is 0.ltoreq.m<4 and n is 0.ltoreq.n.ltoreq.4, provided 0.ltoreq.m+n.ltoreq.4,(2) a reaction product obtained by the reaction of a magnesium halide and a compound represented by the general formula Me(OR.sup.3).sub.n.sup.X.sub.z-n wherein Me is an element of Groups I-VIII in the Periodic Table, with the limitation that silicon, titanium and vanadium are excluded, R.sup.Type: GrantFiled: March 21, 1984Date of Patent: August 27, 1985Assignee: Nippon Oil Company, LimitedInventors: Kazuo Matsuura, Yutaka Shikatani, Hirofumi Kamiishi, Nobuyuki Kuroda, Mituji Miyoshi
-
Patent number: 4537870Abstract: A catalyst prepared by reacting a dihalide, such as MgCl.sub.2 ; a titanium compound, such as a titanium tetraalkoxide; and an electron donor to form a first catalyst component; then reacting that component with an organoaluminum halide; then reacting the resulting solid with TiCl.sub.4 ; and then reacting the solid after that step with HSiCl.sub.3. Also the use of the catalyst in olefin polymerization is disclosed.Type: GrantFiled: July 12, 1984Date of Patent: August 27, 1985Assignee: Phillips Petroleum CompanyInventor: Gil R. Hawley
-
Patent number: 4533705Abstract: A process for producing .alpha.-olefin polymers having high crystallinity and good particle form, with a high yield is provided. The polymerization therefor is carried out in the presence of a preactivated catalyst suitable particularly to gas phase polymerization or gas phase polymerization following slurry or bulk polymerization.The catalyst is prepared by reacting a reduction solid prepared by reducing TiCl.sub.4 with an organoaluminum compound, with an electron donor and an electron acceptor to obtain a solid product, andcombining this solid product with an organoaluminum compound, an .alpha.-olefin and a reaction product of an organoaluminum compound with an electron donor.Type: GrantFiled: July 21, 1983Date of Patent: August 6, 1985Assignee: Chisso CorporationInventors: Akihiro Sato, Kazutsune Kikuta, Toshihiro Uwai, Kenji Matsuda, Nobutaka Hattori
-
Patent number: 4524195Abstract: Solid olefin polymerization catalysts are prepared by forming a solution of an organophosphate or organophosphoramide and certain metal halides and then reacting the solution with a halogenated transition metal compound to form a solid.Type: GrantFiled: October 19, 1983Date of Patent: June 18, 1985Assignee: Phillips Petroleum CompanyInventor: Joel L. Martin