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Browse by Category: Main > Chemistry
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:
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Patent Number Title Of Patent Date Issued
6228791 Solid catalyst component and catalyst for olefin polymerization May. 8, 2001
6221801 Catalyst component for the polymerization of olefins, process for its manufacture and process for the polymerization of olefins in the presence of the said catalyst component Apr. 24, 2001
6207607 Composition containing magnesium, titanium, halogen and an inner electron donor, its preparation and use for the polymerization of alpha-olefins Mar. 27, 2001
6204215 Solid catalyst component for olefin polymerization, catalyst for olefin polymerization, and method for producing olefin polymers Mar. 20, 2001
6200923 Polymerization catalyst composition containing magnesium, titanium, halogen, and carboxylic acid ester Mar. 13, 2001
6200922 Catalyst systems of the Ziegler-Natta type Mar. 13, 2001
6200921 Solid catalyst component for olefin polymerization and catalyst Mar. 13, 2001
6194342 Components and catalysts for the polymerization of olefins Feb. 27, 2001
6187883 Solid catalyst component for .alpha.-olefin polymerization, catalyst for .alpha.-olefin polymerization, and process for producing .alpha.-olefin polymer Feb. 13, 2001
6184328 Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its production Feb. 6, 2001
6180554 Catalyst system for the production of olefin (co)polymers Jan. 30, 2001
6156690 Solid catalyst component and catalyst for polymerization of olefins Dec. 5, 2000
6156691 Ziegler-Natta catalyst systems modified during their preparation Dec. 5, 2000
6140432 Polymerization catalyst systems, their production and use Oct. 31, 2000
6130180 Catalyst for the polymerization of alpha-olefins containing substituted amino silane compounds Oct. 10, 2000
6127303 Process for producing olefin polymers, olefin-polymerizing catalyst and polypropylene for biaxially oriented film produced with said catalyst Oct. 3, 2000
6127304 Magnesium dischloride-alcohol adducts and catalyst components obtained therefrom Oct. 3, 2000
6103655 Carrier for olefin polymerization catalysts Aug. 15, 2000
6063725 Olefin polymerization catalyst system May. 16, 2000
6051524 Olefin polymerization and copolymerization catalyst Apr. 18, 2000
6051523 Catalyst systems of the type comprising the Ziegler-Natta catalysts Apr. 18, 2000
6051526 .alpha.-olefin polymerization catalyst and process for producing .alpha.-olefin polymer Apr. 18, 2000
6048818 Components and catalysts for the polymerization of olefins Apr. 11, 2000
6034023 Preparation of Ziegler-Natta catalyst systems Mar. 7, 2000
6034025 Catalyst for polymerization and copolymerization of olefins Mar. 7, 2000
6034189 Solid titanium catalyst component for olefin polymerization, process for preparation of the same, olefin polymerization catalyst and process for olefin polymerization Mar. 7, 2000
6015867 3-alkoxypropionic ester derivative, olefin polymerization catalyst, and process for preparation of polyolefin Jan. 18, 2000
6013742 Process for producing improved random propylene copolymers Jan. 11, 2000
5994256 Process for forming a catalyst precursor for copolymerizing ethylene and an alpha-olefin of 3 to 10 carbon atoms Nov. 30, 1999
5985114 Carbon bodies resistant to deterioration by oxidizing gases Nov. 16, 1999
5965478 Solid catalyst component and catalyst for polymerization of olefins Oct. 12, 1999
5965477 Process for the preparation of supported metallocene catalyst Oct. 12, 1999
5962360 Process for the preparation of a magnesium halide supported metallocene catalyst Oct. 5, 1999
5962361 Methods of making and using catalyst precursor Oct. 5, 1999
5955396 Morphology-controlled olefin polymerization catalyst formed from an emulsion Sep. 21, 1999
5945366 Solid catalyst component for polymerization of olefins and catalyst Aug. 31, 1999
5932510 Solid catalyst component and catalyst for polymerization of olefins Aug. 3, 1999
5916990 Propylene-based polymer, method of its production, composition thereof, catalyst component for polymerization, and method for its production Jun. 29, 1999
5912202 Olefin polymerization catalyst composition having increased activity Jun. 15, 1999
5902765 Solid catalyst components for olefin polymerization May. 11, 1999
5891817 Electron donors for improved olefin polymerization Apr. 6, 1999
5866088 Process for preparing anhydrous magnesium halide solution and process for preparing solid titanium catalyst component for olefin polymerization Feb. 2, 1999
5849655 Polyolefin catalyst for polymerization of propylene and a method of making and using thereof Dec. 15, 1998
5817591 Polyolefin catalyst from metal alkoxides or dialkyls, production and use Oct. 6, 1998
5817590 Catalyst for .alpha.E --olefin polymerization containing a Lewis base Oct. 6, 1998
5795839 Catalyst components for polymerization of olefins Aug. 18, 1998
5780379 Process for the stereospecific polymerization of alpha-olefins and catalyst system which can be employed for this polymerization Jul. 14, 1998
5773537 Ziegler-natta catalyst systems containing specific organosilicon compounds Jun. 30, 1998
5767215 Coarse-grained polyolefin, its production method and a catalyst used in the method Jun. 16, 1998
5710229 Large-pole polyolefin, a method for its production and a procatalyst containing a transesterification product of a lower alcohol and a phthalic acid ester Jan. 20, 1998

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