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Class Information
Number: 502/131
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Plural component system comprising a - group i to iv metal hydride or organometallic compound - and b - group iv to viii metal, lanthanide or actinde compound - (i.e., alkali metal, ag, au, cu, alkaline earth metal, be, mg, zn, cd, hg, sc, y, al, ga, in, tl, ti, zn, hf, ge, sn or pb hydride or organometallic compound and ti, zr, hf, ge, sn, pb, v, nb, ta, as, sb, bi, cr, mo, w, po, mn, tc, re, iron group, platinum group, atomic number 57 to 71 inclusive or atomic number 89 or higher compound) > Component a metal is group ia, iia or iiia and component b metal is group ivb to viib or viii (i.e., alkali metal, alkaline earth metal, be, mg, al, ga, in or tl and ti, zr, hf, v, nb, ta, cr, mo, w, mn, tc, re, iron group or platinum group) (e.g., ziegler catalyst, etc.) > And a third component c (i.e., an additive other than a saturated hydrocarbon or an aromatic hydrocarbon free of aliphatic or cycloaliphatic unsaturation) > Metal compound other than which could be produced in situ by reaction of a group ia, iia, or group iiia metal compound present with a titanium or vanadium compound present > Tin compound
Description: Composition in which the metal has atomic number 50.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7977446 Air-activated organotin catalysts for polyurethane synthesis Jul. 12, 2011
7585805 Nickel-based catalyst composition Sep. 8, 2009
7008899 Lanthanide-based catalyst composition for producing cis-1,4-polydienes Mar. 7, 2006
6908876 Supported metallocene catalyst system for olefin polymerization, method for making and using the same Jun. 21, 2005
6777371 Ni catalysts and methods for alkane dehydrogenation Aug. 17, 2004
6683018 Method for producing a supported catalyst system Jan. 27, 2004
6528596 Modified particles, catalyst for olefin polymerization, and process of producing olefin polymer Mar. 4, 2003
6300271 Compositions that can produce polymers Oct. 9, 2001
6184316 Catalyst and process for the syndiotactic polymerization of vinylaromatic compounds Feb. 6, 2001
6184338 Anionic polymerization initiators containing tertiary amine functionality, their chain extended analogues, and processes for using the same Feb. 6, 2001
6165929 Compositions that can produce polymers Dec. 26, 2000
6147025 Metallocene catalyst composition and process for activating a metallocene procatalyst Nov. 14, 2000
6136744 Process for producing polyolefin elastomer employing a metallocene catalyst Oct. 24, 2000
6127305 Catalyst and process for polymerizing alpha-olefins Oct. 3, 2000
6107230 Compositions that can produce polymers Aug. 22, 2000
6080697 Process for making a composition that is useful for converting lower value aromatics to higher value aromatics Jun. 27, 2000
6034202 Polymerization catalysts for polyesters Mar. 7, 2000
5962361 Methods of making and using catalyst precursor Oct. 5, 1999
5919723 Supported metallocene catalyst for the (co) polymerization of alpha-olefins Jul. 6, 1999
5914375 Catalyst composition for preparing high-syndiotactivity polystyrene from styrene or other aryl ethylene monomers and processes using the same Jun. 22, 1999
5851946 Coordination catalyst systems comprising intramolecularly stabilized organometallic compounds Dec. 22, 1998
5834393 Adduct of an organometal compound and a compatible anion, supported catalyst component supported catalyst processes for the preparation thereof Nov. 10, 1998
5830959 Process for the production of vinylaromatic polymers with a high degree of syndiotacticity Nov. 3, 1998
5821189 Catalyst for the homopolymerization or copolymerization of ethylene and process for its preparation Oct. 13, 1998
5786441 Polymers, elastomeric compounds and products thereof, derived from novel amine compounds containing side-chain organolithium moieties Jul. 28, 1998
5744678 Oligomerization catalysts and process using the same for the production of olefinic oligomers Apr. 28, 1998
5728784 Process for the preparation of crystalline vinylaromatic polymers with a predominantly syndiotactic structure Mar. 17, 1998
5644009 Catalyst composition for preparing high syndiotacticity polystyrene from styrene of other arylethylene monomers and processes using the same Jul. 1, 1997
5627117 Olefin polymerization catalyst and process for olefin polymerization May. 6, 1997
5376612 Chromium catalysts and process for making chromium catalysts Dec. 27, 1994
5374597 Vanadium based olefin polymerization catalyst Dec. 20, 1994
5348925 Catalyst for the polymerization of olefins Sep. 20, 1994
5326837 Catalyst systems for syndiospecific polymerization of styrenes Jul. 5, 1994
5296432 Catalyst for the (co) polymerization of ethylene Mar. 22, 1994
4738942 Catalyst composition for polymerizing alpha-olefin polymers of relatively narrow molecular weight distribution and high melt index Apr. 19, 1988
4686199 Process for producing a catalyst component for polymerization of olefins Aug. 11, 1987
4678768 Catalyst component for polymerization of olefins Jul. 7, 1987
4618595 Polymerization of olefins Oct. 21, 1986
4588703 Polyolefin polymerization process and catalyst May. 13, 1986
4562168 Catalyst and olefin polymerization Dec. 31, 1985
4552858 Catalyst component for polymerization of olefins Nov. 12, 1985
4518706 Hydrocarbon soluble catalyst supports and resultant polymerization catalysts May. 21, 1985
4518752 Process for polyolefins production May. 21, 1985
4507449 Olefin polymerization Mar. 26, 1985
4499199 TiCl.sub.4 Treated with organomagnesium/protonating agent Feb. 12, 1985
4471066 Polymerization of olefins Sep. 11, 1984
4450243 Carrier for olefin polymerization catalyst May. 22, 1984
4431570 Retreating comminuted olefin polymerization catalyst with a titanium (IV) compound and an ester Feb. 14, 1984
4431571 Retreating comminuted olefin polymerization catalyst with a titanium(IV) compound, a haloalkylchlorosilane and an ester Feb. 14, 1984
4412939 Reaction products of transition metal compounds and boron compounds and catalysts prepared therefrom Nov. 1, 1983

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