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Class Information
Number: 502/127
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) > Nonmetallic organic oxygen containing > Ester
Description: Composition in which the oxygen is bonded to two carbon atoms, one of which is carbonylic.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
4886770 Catalysts for the preparation of elastomeric olefinic copolymers Dec. 12, 1989
4870040 Olefin polymerization catalysts from soluble magnesium alkoxides made from alkyl or aryl magnesium mixed with a branched or aromatic aldehyde Sep. 26, 1989
4870039 Olefin polymerization catalysts from soluble magnesium alkoxides made from mixed magnesium alkyls and aryls Sep. 26, 1989
4866022 Olefin polymerization catalyst Sep. 12, 1989
4857613 Preparation of homopolymers and copolymers of propene using a Ziegler-Natta catalyst system Aug. 15, 1989
4847227 Solid catalyst component for olefin polymerization catalysts Jul. 11, 1989
4845067 Catalyst for regulating the molecular weight distribution of ethylene polymers Jul. 4, 1989
4841003 Process for producing olefin polymers Jun. 20, 1989
4839321 Solid catalyst component for olefin polymerization catalysts Jun. 13, 1989
4831091 Process for polymerizing olefins May. 16, 1989
4829038 Alpha-olefin polymerization catalyst system including an advantageous modifier component May. 9, 1989
4829037 Catalyst for polymerization of olefins May. 9, 1989
4829034 Procedure for manufacturing catalyst components for polymerizing olefines May. 9, 1989
4822763 Catalyst component for polymerization of olefin Apr. 18, 1989
4816433 Solid catalyst component for the polymerization of olefins and an olefin polymerization catalyst Mar. 28, 1989
4814312 Method for production of catalyst component for olefin polymerization Mar. 21, 1989
4814309 Catalysts for polymerizing olefines and method for the preparation thereof Mar. 21, 1989
4814311 Method for production of catalyst component for olefin polymerization (P-1292) Mar. 21, 1989
4814314 Catalyst for olefin polymerization Mar. 21, 1989
4806433 Process for producing olefin polymer Feb. 21, 1989
4804648 Crystalline olefin polymerization catalyst component Feb. 14, 1989
4784983 Catalyst system for use in olefinic polymerization Nov. 15, 1988
4780440 Catalyst component for alpha olefine-polymerizing catalysts and procedure for manufacturing the same Oct. 25, 1988
4780439 Catalyst component for alpha olefine-polymerizing catalysts and procedure for manufacturing the same Oct. 25, 1988
4780441 Catalyst component for alpha olefine-polymerizing catalysts and procedure for manufacturing the same Oct. 25, 1988
4780442 Catalyst component for alpha olefine-polymerizing catalysts and procedure for manufacturing the same Oct. 25, 1988
4780443 Polymerization of olefins Oct. 25, 1988
4780438 Catalyst component for alpha olefine-polymerizing catalysts and procedure for manufacturing the same Oct. 25, 1988
4771024 Olefin polymerization catalyst composition Sep. 13, 1988
4761461 Preparation of homopolymers and copolymers of propylene by means of a Ziegler-Natta catalyst system Aug. 2, 1988
4755495 Process for activation of titanium and vanadium catalysts useful in ethylene polymerization Jul. 5, 1988
4745164 Preparation of homopolymers and copolymers of propylene by means of a Ziegler-Natta catalyst system May. 17, 1988
4737481 Process for producing catalyst ingredient for use in olefin polymerization Apr. 12, 1988
4727049 Catalyst component for polymerization of olefins Feb. 23, 1988
4725656 Process for producing olefin polymers Feb. 16, 1988
4724225 Solid catalyst component for .alpha.-olefin polymerization and process for the producing the same Feb. 9, 1988
4719193 Processes for preparing polyethylene catalysts by heating catalyst precursors Jan. 12, 1988
4710482 Olefin polymerization catalyst component Dec. 1, 1987
4703026 Catalyst component for polymerization of olefins Oct. 27, 1987
4698323 Transition metal catalyst component containing magnesium alkoxy alkoxides Oct. 6, 1987
4695614 Process for producing an olefin copolymer rubber Sep. 22, 1987
4693990 Production of catalyst component for olefin polymerization Sep. 15, 1987
4686200 Catalyst for the polymerization of olefins Aug. 11, 1987
4683215 Process for removing contaminants from a liquid TiCl.sub.4 phase Jul. 28, 1987
4678768 Catalyst component for polymerization of olefins Jul. 7, 1987
4677088 High efficiency polymerization catalyst component for use in the polymerization of propylene and higher alpha-olefins Jun. 30, 1987
4673662 Catalysts for the polymerization and copolymerization of propylene and polymerization processes using these catalysts Jun. 16, 1987
4670525 Catalytic titanium compound, process for the manufacture thereof, and method for the polymerization of alkenes-1 with application of such a titanium component Jun. 2, 1987
4663299 Preparation of spherical magnesium alkoxide particles May. 5, 1987
4659792 Process for production of 4-methyl-1-pentene polymer or copolymer Apr. 21, 1987

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