Including Alcohol, Phenol, Or Ether Patents (Class 502/156)
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Patent number: 6696531Abstract: The invention relates to a process for preparing a polymer by polymerizing a component containing 3,4-epoxy-1-butene in the presence of a double metal cyanide (DMC) catalyst and a hydroxy-functional starter and it also relates to the obtained polymers.Type: GrantFiled: February 18, 2003Date of Patent: February 24, 2004Assignee: Bayer Polymers LLCInventors: Helmut Greiving, Peter J. Miller
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Patent number: 6696380Abstract: There are described solid procatalysts, catalyst systems incorporating the solid procatalysts, and the use of the catalyst systems in olefin polymerization and interpolymerization.Type: GrantFiled: January 3, 2001Date of Patent: February 24, 2004Inventor: Darryl Stephen Williams
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Patent number: 6664208Abstract: A modified aluminum oxy compound(A) obtained by reacting an aluminum oxy compound(a), water (b) and a compound having a hydroxyl group(c); a polymerization catalyst component comprising the modified aluminum oxy compound; a polymerization catalyst obtained by contacting said modified aluminum oxy compound(A), a transition metal compound(B) and optionally an organoaluminum compound(C) and a specified boron compound; and a process for producing an olefin polymer or an alkenyl aromatic hydrocarbon polymer with the polymerization catalyst.Type: GrantFiled: September 13, 2000Date of Patent: December 16, 2003Assignee: Sumitomo Chemical Company, LimitedInventors: Masayuki Fujita, Masaaki Nabika, Tatsuya Miyatake, Tsuyoshi Watanabe, Yoshinori Seki, Nobuo Oi
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Patent number: 6649557Abstract: Tin derivatives for use as oxygen-activated latent polycondensation catalysts. According to the invention, said tin derivatives have at least one tin-tin bond of the formula (I): R1—Yn—R4 wherein R1 and R4 which can be the same or different, are selected from hydrogen, and advantageously from the hydrocarbon radicals or together form a divalent radical or a single ring forming-bond; wherein n is at least equal to 2; wherein the Y, which are the same or different, stand for a stannic grouping having the structure (s): R′ and R″, which can be the same or different, are selected from hydrogen and advantageously from the hydrocarbon radicals. Application to paints.Type: GrantFiled: September 27, 2000Date of Patent: November 18, 2003Assignee: Rhodia ChimieInventors: Jean-Marie Bernard, Jean-Marc Frances, Bernard Jousseaume, Nicholas Noiret, Michel Pereyre
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Patent number: 6642171Abstract: Double metal cyanide (“DMC”) complex catalysts comprise a double metal cyanide compound and a complexing agent such as an alkyl ether of a glycol, preferably of the formula R1O(CH2CHR2O)xH (I) wherein: x is 1, 2, or 3; R1 is a C1-C4 alkyl group; and R2 is —H or a —CH3 group. Such catalysts have particular applicability in the production of low unsaturated polyols from epoxides.Type: GrantFiled: April 27, 2001Date of Patent: November 4, 2003Assignee: Synuthane International, Inc.Inventors: James M. O'Connor, Robin L. Grieve
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Patent number: 6624286Abstract: The invention relates to new improved double-metal cyanide (DMC) catalysts for the preparation of polyether-polyols by polyaddition of alkylene oxides on to starter compounds containing active hydrogen atoms, the catalyst comprising a double-metal cyanide compound, an organic complexing ligand and 5-80 wt. %, based on the amount of catalyst, of a polyester. For the preparation of polyether-polyols, the new improved catalysts have significantly shortened induction times and at the same time a greatly increased activity.Type: GrantFiled: December 5, 2001Date of Patent: September 23, 2003Assignee: Bayer AktiengesellschaftInventors: Jörg Hofmann, Pramod Gupta, Robert-Joseph Kumpf, Pieter Ooms, Walter Schäfer
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Patent number: 6608231Abstract: The invention relates to novel double metal cyanide (DMC) catalysts for the preparation of polyether polyols by polyaddition of alkylene oxides to starter compounds containing active hydrogen atoms, wherein the catalyst contains a) double metal cyanide compounds, b) organic complex ligands other than c), and c) carboxylic acid ester of polyhydric alcohols. The catalysts according to the invention have greatly increased activity in the preparation of polyether polyols.Type: GrantFiled: March 13, 2001Date of Patent: August 19, 2003Assignee: Bayer AktiengesellschaftInventors: Pieter Ooms, Jörg Hofmann, Pramod Gupta
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Publication number: 20030130110Abstract: There are provided:Type: ApplicationFiled: January 21, 2003Publication date: July 10, 2003Inventors: Tatsuya Miyatake, Masaaki Nabika, Seiki Kiuchi
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Patent number: 6583305Abstract: The present invention relates to novel chiral 1,1′-ferrocenylene diphosphonites and the synthesis thereof, in addition to complexes of said compounds with metals from groups VIIb, VIIIb and Ib of the Periodic Table and to the use thereof for enantioselective hydrogenation of olefins, ketones and imines, or enantioselective hydroboration and 1,4-addition to activated olefins.Type: GrantFiled: June 8, 2001Date of Patent: June 24, 2003Assignee: Studiengesellschaft Kohle mbHInventors: Manfred T. Reetz, Andreas Gosberg
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Patent number: 6566478Abstract: This invention is based upon the discovery that rubbery polymers having a high vinyl content and a low degree of branching can be synthesized with an initiator system that is comprised of (a) a lithium initiator selected from the group consisting of allylic lithium compounds and benzylic lithium compounds, (b) a Group I metal alkoxide, and (c) a polar modifier; wherein the molar ratio of the Group I metal alkoxide to the polar modifier is within the range of about 0.1:1 to about 10:1; and wherein the molar ratio of the Group I metal alkoxide to the lithium initiator is within the range of about 0.01:1 to about 20:1. These high vinyl polymers offer reduced levels of hysteresis and better functionalization efficiency.Type: GrantFiled: April 30, 2002Date of Patent: May 20, 2003Assignee: The Goodyear Tire & Rubber CompanyInventors: Steven Kristofer Henning, Michael Lester Kerns, Zhengfang Xu
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Patent number: 6544921Abstract: There are provided: (I) a solid catalyst component (A-1) for olefin polymerization, which is obtained by a process comprising the step of contacting: (a-1) a carrier of carboxyl group-carrying polymer particles having an average particle diameter of from 1 to 300 &mgr;m, and (b) a transition metal compound of the number 4 group of metals in the periodic table of elements; (II) a catalyst for olefin polymerization, which is obtained by a process comprising the step of contacting: (A-1) the above solid catalyst component, and (B) at least one compound selected from the group consisting of an organoaluminum compound and an organoaluminumoxy compound; (III) a process for producing an olefin polymer, which comprises the step of polymerizing an olefin in the presence of the above catalyst; and (IV) a process for producing the above solid catalyst component (A-1), which comprises the step of contacting: (a-1) the above carrier, and (b) the above transition metal compound.Type: GrantFiled: September 13, 2000Date of Patent: April 8, 2003Assignee: Sumitomo Chemical Comapny, LimitedInventors: Tatsuya Miyatake, Masaaki Nabika, Seiki Kiuchi
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Publication number: 20030054947Abstract: Disclosed are polymerization catalyst activator compositions which include a carbonium cation and an aluminum containing anion. These activator compositions are prepared by combining a carbonium or trityl source and with an aluminum containing complex, preferably a perfluorophenylaluminum compound. Also disclosed are polymerization catalyst systems including the activator composition of the invention, and processes for polymerizing olefins utilizing same.Type: ApplicationFiled: October 8, 2002Publication date: March 20, 2003Inventor: Matthew W. Holtcamp
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Patent number: 6506704Abstract: A process for forming neutral late transition metal chelates useful as polymerization catalysts comprising contacting a bidentate ligand forming compound that is free of electron-withdrawing groups with a di(tertiary amine) late transition metal reagent in the presence of an inert liquid, an olefinic monomer or a polar liquid selected from nitrites, ethers, aromatic heterocyclic amines, alcohols, nitroalkanes, nitroaromatics or mixtures thereof. The process provides a solid product or a solution of a storage stable transition metal bidentate ligand containing catalyst product which remains active for an extended storage period. Alternately, the present process can be conducted in situ in a polymerization zone of olefinic polymerization.Type: GrantFiled: March 23, 1999Date of Patent: January 14, 2003Assignee: Cryovac, Inc.Inventors: Donald Albert Bansleben, Eric Francis Connor, Robert Howard Grubbs, Jason Ivan Henderson, Todd Ross Younkin
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Patent number: 6495484Abstract: Disclosed are polymerization catalyst activator compositions which include a carbonium cation and an aluminum containing anion. These activator compositions are prepared by combining a carbonium or trityl source and with an aluminum containing complex, preferably a perfluorophenylaluminum compound. Also disclosed are polymerization catalyst systems including the activator composition of the invention, and processes for polymerizing olefins utilizing same.Type: GrantFiled: August 28, 2000Date of Patent: December 17, 2002Assignee: Univation Technologies, LLCInventor: Matthew W. Holtcamp
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Patent number: 6489261Abstract: Catalyst compositions include a reduced transition metal complex of structure (I) and a cocatalyst. where, L1 and L2, may be the same or different, are anionic ligands, other than cyclopentadienyl group, amido group or phosphidino group. At least L1 is able to non-covalently interact with reduced transition metal M via one or more functional groups; for example, L1 can be a phenyl group in which at least one of the ortho-positions is substituted with a functional group capable of donating electron density to the transition metal M. L1 can also be a methyl group in which one or more or the alpha-positions is substituted with a functional group capable of donating electron density to the transition metal M. X, K, and m are defined in the specification. These catalysts may be easily formed as solids and provide improved catalytic performance.Type: GrantFiled: May 31, 2000Date of Patent: December 3, 2002Assignee: DSM N.V.Inventors: Gerardus J. M. Gruter, Mirko Kranenburg, Marc Herklots
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Patent number: 6489262Abstract: The present invention relates to an initiation system composed of the reaction product of at least one cyclic siloxane and at least one organometalic compound of sufficient reactivity to open the siloxane ring. Application of the present invention is to the preparation of homopolymers of (meth)acrylic, vinylaromatic or diene monomers, random or block copolymers of these monomers and, in particular, application to poly(methylmethacrylate) with a high content of isotactic triads.Type: GrantFiled: April 10, 1998Date of Patent: December 3, 2002Assignee: AtofinaInventors: Thomas Zundel, Philippe Teyssie, Robert Jerome, Christophe Navarro
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Patent number: 6465383Abstract: There are described solid procatalysts, catalyst systems incorporating the solid procatalysts, and the use of the catalyst systems in olefin polymerization and interpolymerization.Type: GrantFiled: January 3, 2001Date of Patent: October 15, 2002Assignee: Eastman Chemical CompanyInventor: Darryl Stephen Williams
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Patent number: 6458918Abstract: The present invention relates to a process for the preparation of novel, partially crystalline polyether polyols with a functionality of ≧2, an average molecular weight Mn of 500 to 100,000 and a molar proportion of isotactic triads determining the crystallinity of >28%. The new polyether polyols are prepared by polymerizing alkylene oxides in the presence of a bimetallic :-oxoalkoxide modified with hydroxyl compounds.Type: GrantFiled: April 27, 2000Date of Patent: October 1, 2002Assignee: Bayer AktiengesellschaftInventors: Walter Schäfer, Jörg Hofmann, Pramod Gupta, Hanns-Peter Müller, Harald Pielartzik
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Patent number: 6458982Abstract: Metallocene catalysts for the preparation of polyolefins, in particular polypropylene having elastomeric properties, having specific heteroaromatics in position 2 or 3 of the indenyl system. Particular preference is given to unbridged metallocene compounds of the formula II: where M, X and R3 to R8 are defined herein.Type: GrantFiled: February 29, 2000Date of Patent: October 1, 2002Assignee: Targor GmbHInventors: Jörg Schottek, Roland Kratzer
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Patent number: 6444768Abstract: The invention relates to a new improved catalyst to produce random copolymers of one or more iso-olefin monomers and one or more para-alkylstyrene monomers. The invention also relates to an improved continuous slurry polymerization process to produce random copolymers using the improved catalyst system. The process is carried out in an anhydrous polymerization system containing a mixture of the monomers in a polar solvent along with a Lewis acid and a stabilizing initiator.Type: GrantFiled: October 6, 2000Date of Patent: September 3, 2002Assignee: ExxonMobil Chemical Patents Inc.Inventors: Robert N. Webb, Kenneth W. Powers, Michael F. McDonald, Ralph Howard Schatz
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Patent number: 6432863Abstract: The present invention is directed to a supported catalytic activator composition resulting from the contact of a catalyst support (formed by reaction of a carrier, such as an inorganic oxide (e.g., silica) and an organo halide such as bromo pentafluorobenzene in the presence of base) and a catalytic activator such as dimethylanilinium tetrakis (pentafluorophenyl) borate, and methods for making the same.Type: GrantFiled: December 10, 1998Date of Patent: August 13, 2002Assignee: W. R. Grace & Co.-Conn.Inventor: David George Ward
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Patent number: 6429273Abstract: A process for producing a vinyl polymer which comprises carrying out anionic polymerization under the condition that the polymerization temperature is not lower than 45° C. and not higher than 250° C. and the concentration of the vinyl monomer based on the polymerization solvent is 45-100% by weight, wherein the metal of the cation forming a counterpart to the carbonic anion at the polymerization propagating species consists essentially of Mg, or Mg and M1 wherein M1 is at least one alkali metal selected from the group consisting of Li, Na and K, and the molar concentrations of the metals of Mg and M1 satisfy the relation of [Mg]/[M1]≧4, the invention also relates to a vinyl monomer polymerization initiator comprising (R2)2Mg wherein R2 is a hydrocarbon group.Type: GrantFiled: September 14, 1998Date of Patent: August 6, 2002Assignee: Asahi Kasei Kabushiki KaishaInventor: Kenji Ebara
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Publication number: 20020098972Abstract: A composition that can be used as a catalyst is disclosed. The composition comprises, or is produced by combining, a titanium compound, a glycol, a phosphorus compound, and optionally water. Also disclosed is a process that can be used for producing a polyester. The process comprises contacting, in the presence of a catalyst composition, a carbonyl compound and an alcohol under a condition suitable for esterification, transesterification, or polymerization. The catalyst composition comprises, or is produced by combining, a titanium compound, a glycol, a phosphorus compound, and optionally water.Type: ApplicationFiled: January 24, 2001Publication date: July 25, 2002Inventor: Jiwen F. Duan
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Patent number: 6420298Abstract: A catalyst composition for the polymerization of one or more 1-olefins (e.g., ethylene) comprises a transition metal catalyst precursor and a cocatalyst, the transition metal catalyst precursor comprising a contact product of an unsubstituted metallocene compound and an aluminum alkyl compound in a hydrocarbon solvent solution. In another embodiment, the transition metal catalyst precursor is bimetallic and contains a non-metallocene transition metal catalyst component. When a bimetallic catalyst precursor is used, the resin product exhibits improved properties, and has a bimodal molecular weight distribution, long chain branching (LCB), and good bubble stability.Type: GrantFiled: August 31, 1999Date of Patent: July 16, 2002Assignee: ExxonMobil Oil CorporationInventors: Robert I. Mink, Thomas E. Nowlin, Sandra D. Schregenberger, Kenneth G. Schurzky, Pradeep P. Shirodkar
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Patent number: 6417363Abstract: Penta- and hexa-coordinated, bridged ruthenium and osmium catalysts of the formula wherein Me is ruthenium or osmium; L1 and L2 are neutral ligands having electron donor properties; X is an anionic ligand; Y is oxygen or sulphur; A is a direct bond, C1-C4alkylene or C2-C4alkylidene; Z is a direct bond, oxygen, sulphur or the groups wherein R1 and R2 are hydrogen or hydrocarbon radicals; their preparation and their us in the synthesis of polymers, in the ring-closure metathesis of diolefins, in the cross metathesis of olefins and in the isomerisation of olefins are disclosed.Type: GrantFiled: May 26, 2000Date of Patent: July 9, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Paul Adriaan Van Der Schaaf, Andreas Mühlebach, Andreas Hafner, Roman Kolly
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Publication number: 20020086794Abstract: The present invention relates to MgCl2.mROH.nH2O adducts, where R is a C1-C10 alkyl, 2≦m≦4.2, 0≦n≦0.7 , characterized by an X-ray diffraction spectrum in which, in the range of 2&thgr; diffraction angles between 5° and 15°, the three main diffraction lines are present at diffraction angles 2&thgr; of 8.8±0.2°, 9.4±0.2° and 9.8±0.2°, the most intense diffraction lines being the one at 2&thgr;=8.8±0.2°, the intensity of the other two diffraction lines being at least 0.2 times the intensity of the most intense diffraction line.Type: ApplicationFiled: November 5, 2001Publication date: July 4, 2002Applicant: Basell Technology Company BV.Inventors: Mario Sacchetti, Gabriele Govoni, Anna Fait
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Patent number: 6407027Abstract: Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIII metal, preferably palladium; at least one bromide or chloride salt, preferably sodium bromide or a tetraalkylammonium bromide; at least one organic bisphosphine such as 1,3-bis(diphenylphosphino)propane or 1,4-bis(diphenylphosphino)butane; and a compound of a metal other than a Group VIII metal having an atomic number of at least 44, preferably a lead bromophenoxide. There may also be present a polar organic liquid as a cosolvent.Type: GrantFiled: March 21, 2001Date of Patent: June 18, 2002Assignee: General Electric CompanyInventors: Grigorii Lev Soloveichik, Ben Purushatom Patel, John Yaw Ofori, Kirill Vladimirovich Shalyaev
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Patent number: 6403522Abstract: A homogenous catalyst is prepared by reacting a ruthenium or molybdenum carbene catalyst of formula (I): in a non-reactive organic solvent or solvent mixture with a bicyclic olefin of formula (II): wherein X is O, NR1, C(R1)2, S, POR6, or PR6; R1 and R2 independently of each other, are H, (C1-C8)-alkyl, (C2-C8)-alkenyl, (C2-C8)-alkynyl, (C6-C18)-aryl, (C7-C19)-aralkyl, (C3-C18)-heteroaryl, (C4-C19)-heteroaralkyl, (C3-C8)-cycloalkyl, (C3-C8)-cycloalkenyl, (C6-C18)-aryl-(C1-C8)-alkyl, (C3-C18)-heteroaryl-(C1-C8)-alkyl, (C3-C8) -cycloalkyl-(C1-C8)-alkyl, or (C1-C8)-alkyl-(C3-C8)-cycloalkyl, or form together an ═O group; R3 and R4, independently of each other are OR1, SR1, NR12, OR7, SR7, or NR1R7 provided that at least one residue R3 or R4 bears a group R7, R6 is R1, provided that R6 is not H; R7 is a catalytically active group, and optionally with a further olefinic compound (III).Type: GrantFiled: April 21, 2000Date of Patent: June 11, 2002Assignee: Degussa AGInventors: Carsten Bolm, Joerg Brozio, Christian Dinter, Hartwig Hoecker, Andreas Seger
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Patent number: 6399727Abstract: Polymerization initiator comprising an alkaline earth metal compound chosen from the group a) of heteroleptic alkaline earth metal compounds of the formula I L—M—R (I) or b) of cationic alkaline earth metal complexes of the formula II [D→M—R]+X− (II), where M: is Ca, Sr or Ba, L: is a polymerization-inactive ligand, R: is a polymerization-active ligand, D: is a donor ligand, and X: is a non-coordinating anion, and processes for the preparation of the polymerization initiators and processes for anionic polymerization in the presence of the polymerization initiators.Type: GrantFiled: August 21, 2001Date of Patent: June 4, 2002Assignee: BASF AktiengesellschaftInventors: Konrad Knoll, Hans-Herbert Brintzinger, Sjoerd Harder, Armin Weeber, Florian Feil
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Patent number: 6388048Abstract: Metal [hexacyanocobaltate, cobalthexanitrite nitroferricyanide] complexes are useful alkylene oxide polymerization catalysts. The metal is any that forms a precipitate with the hexacyanocobaltate, cobalthexanitrite and nitroferricyanide groups. These catalysts are made from less expensive raw materials than the common zinc hexacyanocobaltate catalysts, and provide short induction periods and many cases more controlled exotherms. In addition, the metal [hexacyanocobaltate, cobalthexanitrite nitroferricyanide] catalysts often provide poly(propylene oxide) polymers having very low unsaturations, even when the catalyst is complexed with a complexing agent such as glyme.Type: GrantFiled: May 19, 2000Date of Patent: May 14, 2002Assignee: The Dow Chemical CompanyInventors: David E. Laycock, Kendra L. Flagler, Robert J. Gulotty, Jr.
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Patent number: 6384183Abstract: Metal hexacyanocobaltate nitroferricyanide catalysts are active polymerization catalysts for alkylene oxides. These catalysts tend to have short induction periods, followed by rapid polymerization of alkylene oxides to polyethers.Type: GrantFiled: May 19, 2000Date of Patent: May 7, 2002Assignee: The Dow Chemical CompanyInventors: David E. Laycock, Kendra L. Flagler, Robert J. Gulotty, Jr.
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Patent number: 6380127Abstract: A novel metal composite is provided which is useful as a catalyst or the like by the control of a structure of an apohost and the modification thereof and in which an organic apohost capable of forming a porous structure by a hydrogen bond is compounded with at least one type of transition metallic elements or compounds thereof.Type: GrantFiled: January 5, 2000Date of Patent: April 30, 2002Assignee: Japan Science and Technology CorporationInventors: Yasuhiro Aoyama, Takehisa Dewa, Tomoya Sawaki
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Patent number: 6376645Abstract: Metal [hexacyanometallate hexanitrometallate] complexes are useful alkylene oxide polymerization catalysts. The metal is any that forms a precipitate with hexacyanometallate and hexanitrometallate groups. These catalysts are made from less expensive raw materials than the common zinc hexacyanocobaltate catalysts, and provide short induction periods and in many cases more controlled exotherms.Type: GrantFiled: May 19, 2000Date of Patent: April 23, 2002Assignee: The Dow Chemical CompanyInventors: David E. Laycock, Kendra L. Flagler, Robert J. Gulotty, Jr.
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Patent number: 6368995Abstract: A solid catalyst for olefin polymerization, obtained by reacting a least one of a hydropolysiloxane compound, having the formula R1aHbSiO(4−a−b)/2, a silane compound of formula R2cSi(OH)4−c, and condensates of the silane, with a compound of formula (MgR32)p.(R3MgX)q to form a reaction product. The reaction product is reacted with an alcohol, having 1 to 4 carbon atoms, to obtain an intermediate product. The intermediate product, is then reacted with water to obtain reaction product. An organoaluminum oxy compound and a metallocene compound are carried on the solid reaction product. The solid catalyst may be used for olefin polymerization. The catalyst requires no deashing treatment and produces a polymer having high bulk density and narrow particle size distribution. Thus the solid catalystenables control of particle size of the polymer in a simple easy manner, and shows no adhesion of polymer onto the inner wall of autoclave.Type: GrantFiled: June 8, 2000Date of Patent: April 9, 2002Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Sakae Kamiyama, Toshifumi Takemori, Minoru Iijima, Yukiko Hane, Shigeharu Yamamoto
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Publication number: 20020006863Abstract: The present invention is a halogenated support, supported activator and supported transition metal catalyst system involving reacting a carrier containing reactive functionalities with a halogenated organic in the presence of base and contacting a catalytic activator of the formula [C+]−1[M1(Q1−Qn+1)] and/or MnQn a transition metal catalytic precursor with the halogenated support.Type: ApplicationFiled: December 10, 1998Publication date: January 17, 2002Inventor: DAVID GEORGE WARD
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Publication number: 20020002254Abstract: An olefin polymer selected from the group consisting of a 1-butene homopolymer, a copolymers of 1-butene with propylene and a copolymer of 1-butene with an alkenyl hydrocarbon having 5 or more carbon atoms, wherein said olefin polymer is an amorphous polymer having a polystyrene-reduced number average molecular weight of 200,000 and substantially not having a melting point,Type: ApplicationFiled: August 7, 2001Publication date: January 3, 2002Applicant: Sumitomo Chemical Company, Ltd.Inventors: Masayuki Fujita, Tatsuya Miyatake
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Patent number: 6335304Abstract: A metal (M) alkyl acid phosphate catalyst for the reaction of an epoxy compound with a carboxyl compound to provide a coating formulation that is stable at room temperature; that is humidity resistant, and non-yellowing, wherein the alkyl acid phosphate has the formula: (RO)n—(P═O)—(OH)m and wherein: a. each R is selected from the group consisting of: i) a C1 to C18 alkly, cycloalkyl, or aryl; ii) a linear or branched C6 to C18 alkyl substituted with —(O—CH2—CH2—)o or —(O—CH—CH3—CH2—)p, wherein o or p is from 1 to 20; iii) a &bgr;-hydroxyethyl compound, R′—X—CH2—CH—OH—CH2—, wherein R′ is a C6 to C18 alkyl or cycloalkyl or aryl, X is either —CH2—, —O— or —COO—; b. n+m=3 and n is between 2 to 1; and c. M is Zn or Sn (II) in a mole equivalent of 0.7 to 1.5 moles per mole of alkyl acid phosphate.Type: GrantFiled: November 9, 1999Date of Patent: January 1, 2002Assignee: KIng Industries, INCInventors: Zhiqiang Alex He, Werner J. Blank, Marie Emmanuelle Picci
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Patent number: 6333292Abstract: Novel compounds are disclosed comprising the skeletal unit depicted in Formula (I) wherein O is oxygen; N is nitrogen; R1 is hydrogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; R3, R4, R5 and R6 are hydrogen or hydrocarbyl or heterohydrocarbyl groups containing 1 to 10 carbon atoms and the R12 groups are independently selected from hydrogen, hydrocarbyl, substituted hydrocarbyl, heterocarbyl and substituted heterocarbyl; A is carbon or silicon; and r is 1 or more; M is scandium, yttrium, or a Group IV or Group V metal or a lanthanide or actinide; T is the oxidation state of M and is II or greater; X represents a monodentate atom or group covalently or ionically bonded to M; L is a mono- or bidentate molecule datively bound to M, and n is from 0 to 5.Type: GrantFiled: April 28, 1999Date of Patent: December 25, 2001Assignee: BP Chemicals LimitedInventors: Vernon Charles Gibson, Brian Stephen Kimberley
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Patent number: 6333389Abstract: This invention relates to a catalyst system comprising an activator and one or more heteroatom substituted phenoxide group 3 to 10 transition metal or lanthanide metal compounds wherein the metal is bound to the oxygen of the phenoxide group and provided that: a) if more than one heteroatom substituted phenoxide is present it is not bridged to the other heteroatom substituted phenoxide, b) if the metal is a group 4 metal then the carbon adjacent to the carbon bound to the oxygen of the phenoxide may not be bound to an aldehyde or an ester, c) the carbon ortho to the carbon bound to the oxygen of the phenoxide may not be bound to the C1 carbon in a group represented by the formula: wherein R6 and R7 are independently hydrogen, halogen, a hydrocarbon group, a heterocyclic compound residue, an oxygen containing group, a nitrogen containing group, a boron containing group, an sulfur containing group, a phosphorus containing group, a silicon containing group, a germanium containing group, or aType: GrantFiled: February 10, 1999Date of Patent: December 25, 2001Assignee: Univation Technologies, LLCInventors: Gregory T. Whiteker, Jack A. Smith
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Publication number: 20010046940Abstract: Double metal cyanide (“DMC”) complex catalysts comprise a double metal cyanide compound and a complexing agent such as an alkyl ether of a glycol, preferably of the formulaType: ApplicationFiled: April 27, 2001Publication date: November 29, 2001Inventors: James M. O'Connor, Robin L. Grieve
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Patent number: 6310121Abstract: Compositions including fibers, fillers, reinforcing agents or other property-enhancing agents added to a polymeric matrix formed from DCPD monomer or related compounds such as norbornene and norbornadiene are disclosed. The composition has a mechanically forgiving matrix due to the polymer with the inherent strength and other physical properties of the enhancement agent according to the invention. Enhancement agents according to the invention generally include inorganic, organic and metallic substances in a variety of forms.Type: GrantFiled: August 7, 1998Date of Patent: October 30, 2001Assignee: Cymetech, LLCInventors: Charles S. Woodson, Jr, Robert H. Grubbs
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Patent number: 6309997Abstract: The invention provides olefin polymerization catalyst exhibiting excellent polymerization activities, a process for olefin polymerization using the catalyst, a novel transition metal compound useful for the catalyst, and an &agr;-olefin/conjugated diene copolymer having specific properties. The olefin polymerization catalyst of the invention comprises (A) a transition metal compound of formula (I) or (II), and (B) an organometallic compound, an oranoaluminum oxy-compound or an ionizing ionic compound. The novel transition metal compound of the invention is a compound of formula (I) wherein M is a transition meal atom of Group 3 or 4 of the periodic table; m is an integer of 1 to 3; R1 is a hydrocarbon group, etc.; R2 to R5 are each H, a halogen, a hydrocarbon group, etc.; R6 is a halogen, a hydrocarbon group, etc.; n is a number satisfying a valence of M; and X is a halogen, a hydrocarbon group, etc.Type: GrantFiled: April 24, 1998Date of Patent: October 30, 2001Assignee: Mitsui Chemicals, Inc.Inventors: Terunori Fujita, Yasushi Tohi, Makoto Mitani, Shigekazu Matsui, Junji Saito, Masatoshi Nitabaru, Kiyoaki Sugi, Haruyuki Makio, Toshiyuki Tsutsui
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Publication number: 20010031843Abstract: This invention relates to a catalyst system comprising an activator and one or more heteroatom substituted phenoxide group 3 to 10 transition metal or lanthanide metal compounds wherein the metal is bound to the oxygen of the phenoxide group and provided that:Type: ApplicationFiled: February 10, 1999Publication date: October 18, 2001Inventors: GREGORY T. WHITEKER, JACK A. SMITH
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Patent number: 6303533Abstract: A process for preparing double metal cyanide catalysts, comprising combining an aqueous solution of a metal salt of the formula M1m(X)n, with an aqueous solution of a cyanometallic acid of the formula HaM2(CN)b(A)c, where one or both aqueous solutions may comprises at least one water-miscible organic ligand selected from the group consisting of alcohols, aldehydes, ketones, ethers, polyethers, esters, ureas, amides, nitrites or sulfides, if desired, combining the aqueous suspension thus obtained with at least one water-miscible organic ligand selected from the above-mentioned group, which ligand may be identical to or different from any previously added ligand, and separating the resulting two-metal cyanide complex from the suspension.Type: GrantFiled: March 5, 1998Date of Patent: October 16, 2001Assignee: BASF AktiengesellschaftInventors: Georg Heinrich Grosch, Harald Larbig, Dieter Junge, Daniella Geelen, Peter de Vocht, Gerd Hoeppner
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Patent number: 6291388Abstract: The invention relates to new, improved double metal cyanide (DMC) catalysts for preparing polyetherpolyols by polyaddition of alkylene oxides to starter compounds containing active hydrogen atoms, wherein the catalyst contains a double metal cyanide compound, an organic coordination ligand and 5 to 80 wt. %, with respect to the amount of catalyst, of an ethylene oxide polyether with a number average molecular weight greater than 500. The new, improved catalysts have a greatly increased reactivity for polyetherpolyol preparation.Type: GrantFiled: September 6, 2000Date of Patent: September 18, 2001Assignee: Bayer AktiengesellschaftInventors: Jörg Hofmann, Pieter Ooms, Pramod Gupta, Walter Schäfer
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Patent number: 6291387Abstract: Ethylene and/or propylene are polymerized to form high molecular weight, linear polymers by contacting ethylene and/or propylene monomer, in the presence of an inert reaction medium, with a catalyst system which consists essentially of (1) an aluminum alkyl component, such as trimethylaluminum, triethylaluminum, triisobutylaluminum, tri-n-octylaluminum and diethylaluminum hydride and (2) a Lewis acid or Lewis acid derivative component, such as B (C6F5)3, [(CH3)2N (H) (C6H5)]+[B (C6F5)4]−, [(C2H5)3NH]+[B C6F5)4],−, [C(C6F5)3]+[B(C6F5)4]−, (C2H5)2Al(OCH3), (C2H5)2Al(2,6-di-t-butyl-4-methylphenoxide), (C2H5)Al(2,6 -di-t-butylphenoxide)2, (C2H5)2Al(2,6-di-t-butylphonoxide) , 2,6 -di-t-butylphenol·methylaluminoxane or an alkylaluminoxane, and which may be completely free any transition metal component(s).Type: GrantFiled: March 19, 1999Date of Patent: September 18, 2001Assignee: Penn State Research FoundationInventors: Ayusman Sen, Louis M. Wojcinski, II, Shengsheng Liu
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Patent number: 6284701Abstract: The new metallocene catalysts according to the present invention are prepared by reacting a metallocene compound with a compound having at least two functional groups. The metallocene compound is a transition metal compound, which is coordinated with a main ligand such as cyclopentadienyl group, and an ancillary ligand. The functional groups in the compound are selected from the group consisting of a hydroxyl group, an alkyl or aryl magnesium halide, a thiol group, a primary amine group, a secondary amine group, a primary phosphorous group, a secondary phosphorous group, etc. The metallocene catalysts according to the present invention have a structure in which an ancillary ligand of a metallocene compound is bonded to the functional groups of a compound having at least two functional groups. A structure of the metallocene catalysts can be varied with the type of a metallocene compound and a compound having at least two functional groups, and the molar ratio of each reactant.Type: GrantFiled: April 20, 1999Date of Patent: September 4, 2001Assignee: Samsung General Chemicals Co., Ltd.Inventors: Keun-Byoung Yoon, Seok Chang, Won-Cheol Jung, Yi-Yeol Lyu
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Patent number: 6284697Abstract: The present invention relates to a new catalyst based on allyl complexes of the rare earths, of general formula [(C3R15)rM1(X)2−r(D)n]+[M2(X)p(C6H5−qR2q)4−p]− (I), to the preparation of this new catalyst, and to its use for the polymerization of unsaturated compounds, particularly of conjugated dienes, in solution and in the gas phase.Type: GrantFiled: May 7, 1998Date of Patent: September 4, 2001Assignee: Bayer AGInventors: Heike Windisch, Gerd Sylvester, Rudolf Taube, Steffen Maiwald
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Patent number: 6284700Abstract: The new metallocene catalysts according to the present invention are prepared by reacting a metallocene compound with a compound having at least two functional groups. The metallocene compound is a transition metal compound which a transition metal is coordinated with a main ligand such as cycloalkanedienyl group and an ancillary ligand. The functional groups of the compound having at least two functional groups are selected from the group consisting of a hydroxy group, a thiol group, a primary amine group, a secondary amine group, etc. The metallocene catalysts according to the present invention have a structure which an ancillary ligand of a metallocene compound is bonded with functional groups. A structure of the metallocene catalysts can be varied according to the metallocene compounds, the compound having at least two functional groups, and the molar ratio of each reactant. The metallocene catalyst is employed with a co-catalyst for styrene and olefin polymerization.Type: GrantFiled: January 14, 1999Date of Patent: September 4, 2001Assignee: Samsung General Chemicals Co., Ltd.Inventors: Yi-Yeol Lyu, Jin-Heong Yim
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Publication number: 20010018397Abstract: The present invention relates to an initiation system composed of the reaction product of at least one cyclic siloxane and at least one organometalic compound of sufficient reactivity to open the siloxane ring.Type: ApplicationFiled: April 10, 1998Publication date: August 30, 2001Inventors: THOMAS ZUNDEL, PHILIPPE TEYSSIE, ROBERT JEROME, CHRISTOPHE NAVARRO