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Class Information
Number: 526/124.9
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 organic non-metal containing b, si, n, p, or chalcogen material
Description: Subject matter wherein the additional specified material is an organic material that contains boron, silicon, nitrogen, phosphorus or chalcogen and does not contain metal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618913 |
Highly active alpha-olefin copolymerization catalyst system |
Nov. 17, 2009 |
| 7592286 |
Process for the preparation of a catalyst component and components therefrom obtained |
Sep. 22, 2009 |
| 7544748 |
Components and catalysis for the polymerization of olefins |
Jun. 9, 2009 |
| 7528091 |
Magnesium-containing carrier component and application to olefin polymerization |
May. 5, 2009 |
| 7521512 |
Catalyst composition and polymerization process using mixture of silane electron donors |
Apr. 21, 2009 |
| 7504352 |
Catalyst for propylene polymerization |
Mar. 17, 2009 |
| 7491670 |
Self limiting catalyst composition and propylene polymerization process |
Feb. 17, 2009 |
| 7420022 |
Polymerization catalyst system utilizing external donor systems and processes of forming polymers therewith |
Sep. 2, 2008 |
| 7393806 |
Catalyst composition with monocarboxylic acid ester internal donor and propylene polymerization process |
Jul. 1, 2008 |
| 7381779 |
Self limiting catalyst composition with dicarboxylic acid ester internal donor and propylene polymerization process |
Jun. 3, 2008 |
| 7348381 |
High modulus, high ductility polyolefins |
Mar. 25, 2008 |
| 7253132 |
Magnesium-containing carrier components and application thereof to olefin polymerization |
Aug. 7, 2007 |
| 7220696 |
Solid titanium catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for olefin polymerization |
May. 22, 2007 |
| 7202191 |
Polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins |
Apr. 10, 2007 |
| 7166553 |
Mixed catalyst compositions for the production of polyolefins |
Jan. 23, 2007 |
| 7153803 |
High activity and good hydrogen response Ziegler-Natta polyethylene catalyst |
Dec. 26, 2006 |
| 7141634 |
Catalyst for olefin polymerization and process for polymerizing olefins |
Nov. 28, 2006 |
| 7138469 |
Process for the polymerization of olefins |
Nov. 21, 2006 |
| 7129302 |
Bimetallic catalyst for producing polyethylene resins with bimodal molecular weight distribution, its preparation and use |
Oct. 31, 2006 |
| 7109143 |
Polymerization catalyst system using n-butymethyldimethoxysilane for preparation of polypropylene film grade resins |
Sep. 19, 2006 |
| 7098164 |
Process for the polymerization of olefins |
Aug. 29, 2006 |
| 7071138 |
Solid catalyst component for olefin polymerization, catalyst for olefin polymerization and process for producing olefin polymer |
Jul. 4, 2006 |
| 7060764 |
Method for polymerization and copolymerization of ethylene |
Jun. 13, 2006 |
| 7015170 |
Components and catalysts for the polymerization of olefins |
Mar. 21, 2006 |
| 7008898 |
Method for producing a poly-1-olefin in the presence of a ziegler catalyst |
Mar. 7, 2006 |
| 6992034 |
Catalyst component for olefin polymerization |
Jan. 31, 2006 |
| 6982237 |
Spray-dried polymerization catalyst and polymerization processes employing same |
Jan. 3, 2006 |
| 6864208 |
Method for production of a solid catalyst for olefin polymerization |
Mar. 8, 2005 |
| 6825294 |
Catalysts for polymerizing styrene and other monomer and process for producing styrene polymer |
Nov. 30, 2004 |
| 6806222 |
Solid titanium catalyst component, ethylene polymerization catalyst containing the same, and ethylene polymerization process |
Oct. 19, 2004 |
| 6800703 |
Method for preparing propylene polymers having broad molecular weight distribution |
Oct. 5, 2004 |
| 6784133 |
Method for preparing catalyst for olefin polymerization |
Aug. 31, 2004 |
| 6747103 |
High-stiffness propylene polymers and a process for the preparation thereof |
Jun. 8, 2004 |
| 6699814 |
Catalysts for the polymerization of olefins |
Mar. 2, 2004 |
| 6689850 |
Process for the polymerization of olefins |
Feb. 10, 2004 |
| 6630559 |
Propylene polymer, propylene block copolymer, process for preparing said polymer and said block copolymer, and propylene polymer composition |
Oct. 7, 2003 |
| 6605562 |
Components and catalysts for the polymerization of olefins |
Aug. 12, 2003 |
| 6569964 |
Alumoxane-enhanced, supported Ziegler-Natta catalysts, methods of making same, processes of using same and polymers produced therefrom |
May. 27, 2003 |
| 6559253 |
High temperature olefin polymerization process |
May. 6, 2003 |
| 6559250 |
Method of homo- or co-polymerization of .alpha.-olefin |
May. 6, 2003 |
| 6545099 |
Propylene polymer and block copolymer |
Apr. 8, 2003 |
| 6515085 |
Components and catalysts for the polymerization of olefins |
Feb. 4, 2003 |
| 6489411 |
Catalyst formulation and polymerization processes |
Dec. 3, 2002 |
| 6486274 |
Hydrogen response Ziegler-Natta catalyst for narrowing MWD of polyolefin, method of making, method of using, and polyolefins made therewith |
Nov. 26, 2002 |
| 6476165 |
Olefin polymerization process using fatty amine additives and boron-modified supported catalyst |
Nov. 5, 2002 |
| 6455648 |
Olefin production |
Sep. 24, 2002 |
| 6395667 |
Solid catalyst component for .alpha.-olefin polymerization and process for producing .alpha.-olefin polymer |
May. 28, 2002 |
| 6391987 |
Gas-phase polymerization process for producing propylene/1-pentene copolymers |
May. 21, 2002 |
| 6384159 |
Production of polyethylene with a titanium amide catalyst |
May. 7, 2002 |
| 6384160 |
Polyolefin catalyst for polymerization of propylene and a method of making and using thereof |
May. 7, 2002 |
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