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Class Information
Number: 526/124.4
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Polymers from only ethylenic monomers or processes of polymerizing, polymerizable compositions containing only ethylenic monomers as reactants or processes of preparing > Polymerizing in the presence of a specified material other than monomer > Material contains transition metal or compound thereof > Material contains compound of group ia (li, na, k, rb, cs, fr) or group iia (be, mg, ca, sr, ba, ra) metal wherein ia or iia metal is not bonded to hydrogen or to carbon > Contains nontransition elemental metal, hydride thereof, or carbon to non-transition metal atom bond > Contains a magnesium compound as the group iia metal compound > Contains at least one additional specified material > Contains two or more magnesium compounds having no h to magnesium or c to magnesium bonds or at least one additional said group ia or iia compound
Description: Subject matter wherein there is present (1) two different magnesium compounds neither of which contains a carbon to magnesium or a hydrogen to magnesium bond, or (2) a Group IA metal or nonmagnesium Group IIA metal compound, neither of which contains a bond between carbon or hydrogen and the Group IA or Group IIA metal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7026265 |
Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use |
Apr. 11, 2006 |
| 6992034 |
Catalyst component for olefin polymerization |
Jan. 31, 2006 |
| 6924343 |
Olefin polymerization catalyst component, its preparation and use |
Aug. 2, 2005 |
| 6486275 |
Process for preparing polyolefins |
Nov. 26, 2002 |
| 5652314 |
Shape-shifted magnesium alkoxide component for polymerizing olefins |
Jul. 29, 1997 |
| 5644008 |
Process for preparing polyolefins |
Jul. 1, 1997 |
| 5631334 |
Process for the manufacture of a catalytic solid, catalytic solid and process for (co)polymerisation of olefins by means of this catalytic solid |
May. 20, 1997 |
| 5629390 |
Method for producing a polyolefin |
May. 13, 1997 |
| 5506183 |
Catalyst for preparing polyolefins |
Apr. 9, 1996 |
| 5484754 |
Process for treating a catalytic component, resultant component, and polymerization of ethylene using such component |
Jan. 16, 1996 |
| 5439662 |
Process for making MgCl.sub.2 MgO with narrow granulometric distribution, catalytic components containing the same, process of using such supports to polymerize olefins, and resultant polyolef |
Aug. 8, 1995 |
| 5369193 |
Process for preparing polyolefins |
Nov. 29, 1994 |
| 5330949 |
Method for producing polyolefin |
Jul. 19, 1994 |
| 5324698 |
New carrier catalyst for the polymerization of ethylene |
Jun. 28, 1994 |
| 5294581 |
Process and catalyst for producing mildly elastomeric primarily isotactic polymers |
Mar. 15, 1994 |
| 5270410 |
Process for the production of elastomeric, primarily syndiotactic polypropylene and catalysts for use in said process |
Dec. 14, 1993 |
| 5244854 |
Components and catalysts for the polymerization of olefins |
Sep. 14, 1993 |
| 5232998 |
Olefin polymerization using silica supported catalyst |
Aug. 3, 1993 |
| 5221650 |
Supported high activity polypropylene catalyst component with regular distribution of magnesium values provided utilizing a controlled drying protocol |
Jun. 22, 1993 |
| 5192731 |
Titanium catalyst components, process for preparing same, catalysts containing same for preparing ethylene polymers and process for preparing said ethylene polymers |
Mar. 9, 1993 |
| 5180702 |
Metal halide catalyst, method of producing the catalyst, polymerization process employing the catalyst, and polymer produced by the polymerization process |
Jan. 19, 1993 |
| 5164352 |
Process for the production of elastomeric, primarily isotactic polyolefins and catalysts for use in said process |
Nov. 17, 1992 |
| 5155078 |
Titanium catalyst components, process for preparing same, catalysts containing same for preparing ethylene polymers and process for preparing said ethylene polymers |
Oct. 13, 1992 |
| 5139985 |
Components and catalyst for the polymerization olefins |
Aug. 18, 1992 |
| 5132263 |
Olefin polymerization catalyst |
Jul. 21, 1992 |
| 5118649 |
Process for the production of elastomeric primarily isotactic polyolefins and catalysts for use in said process |
Jun. 2, 1992 |
| 5118767 |
Process for producing mildly elastomeric primarily isotatic polypropylene and poly-1-butene |
Jun. 2, 1992 |
| 5075270 |
Process for preparing a catalyst component, resultant catalyst system, and process for synthesis of polymers |
Dec. 24, 1991 |
| 5037908 |
Process for polymerization of butene-1 |
Aug. 6, 1991 |
| 4948770 |
Method for crystallizing magnesium chloride and method for using in a catalyst composition |
Aug. 14, 1990 |
| 4923937 |
Method of polmerizing olefines |
May. 8, 1990 |
| 4918037 |
Catalyst components for polymerization catalyst of olefins and method for the production thereof |
Apr. 17, 1990 |
| 4874737 |
Silicate-modified magnesium alkoxide polymerization catalysts |
Oct. 17, 1989 |
| 4855371 |
Process for polymerizing olefins with a crystalline magnesium catalyst component |
Aug. 8, 1989 |
| 4849483 |
Process for producing a catalyst component for polymerization of olefins |
Jul. 18, 1989 |
| 4847227 |
Solid catalyst component for olefin polymerization catalysts |
Jul. 11, 1989 |
| 4839321 |
Solid catalyst component for olefin polymerization catalysts |
Jun. 13, 1989 |
| 4818799 |
Process for the in-reactor stabilization of polyolefins |
Apr. 4, 1989 |
| 4814309 |
Catalysts for polymerizing olefines and method for the preparation thereof |
Mar. 21, 1989 |
| 4804648 |
Crystalline olefin polymerization catalyst component |
Feb. 14, 1989 |
| 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 |
| 4740570 |
Metal halide vaporization into diluents |
Apr. 26, 1988 |
| 4737555 |
Process for producing a catalyst component for polymerization of olefins |
Apr. 12, 1988 |
| 4727049 |
Catalyst component for polymerization of olefins |
Feb. 23, 1988 |
| 4719271 |
Polymerization of olefins |
Jan. 12, 1988 |
| 4711865 |
Olefin polymerization catalysts, production and use |
Dec. 8, 1987 |
| 4710482 |
Olefin polymerization catalyst component |
Dec. 1, 1987 |
| 4686199 |
Process for producing a catalyst component for polymerization of olefins |
Aug. 11, 1987 |
| 4686265 |
Process for polymerization of olefins |
Aug. 11, 1987 |
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