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Class Information
Number: 526/132
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 boron atom > Contains non-transition elemental metal, hydride thereof, or carbon to non transition metal atom bond
Description: Subject matter wherein the specified material contains a nontransition metal in elemental form, or contains a hydride of a nontransition metal, or contains a compound of a nontransition metal wherein a nontransition metal atom is directly bonded to a carbon atom, e.g., transition-metal compound and LiBH4
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7553917 |
Technique for selecting polymerization modifiers cross reference statement |
Jun. 30, 2009 |
| 7468416 |
Catalyst composition for olefin polymerization |
Dec. 23, 2008 |
| 7442667 |
Preparation of supported cocatalysts |
Oct. 28, 2008 |
| 7417006 |
Catalyst system for the polymerization of olefins |
Aug. 26, 2008 |
| RE40234 |
Process for producing crystalline poly-.alpha.-olefins with a monocyclopentadienyl transition metal catalyst system |
Apr. 8, 2008 |
| 7335710 |
Polymerization process |
Feb. 26, 2008 |
| 7247686 |
Solid cocatalyst component for olefin polymerization and catalyst system thereof |
Jul. 24, 2007 |
| 7241714 |
Bridged bi-aromatic catalysts, complexes, and methods of using the same |
Jul. 10, 2007 |
| 7241715 |
Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom |
Jul. 10, 2007 |
| 7232869 |
Catalyst composition for olefin polymerization |
Jun. 19, 2007 |
| 7091272 |
Olefin polymerization with pyridine moiety-containing single-site catalysts |
Aug. 15, 2006 |
| 7084221 |
Polymerization catalyst system containing polyether-modified aluminoxane |
Aug. 1, 2006 |
| 7053158 |
Carborane trianion based catalyst |
May. 30, 2006 |
| 6956002 |
Process for polymerization of olefins |
Oct. 18, 2005 |
| 6953829 |
Catalyst system and the use thereof |
Oct. 11, 2005 |
| 6939929 |
Alpha-olefin-aromatic vinyl copolymer |
Sep. 6, 2005 |
| 6927263 |
Catalyst precursor and olefin polymerization processes |
Aug. 9, 2005 |
| 6908975 |
Method for preparing high 1,4-cis polybutadiene having controlled cold flow |
Jun. 21, 2005 |
| 6869904 |
Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom |
Mar. 22, 2005 |
| 6855784 |
Synthesis of polymerization catalyst components |
Feb. 15, 2005 |
| 6844288 |
Process for the preparation of ligands for metallogene catalysts |
Jan. 18, 2005 |
| 6806329 |
Highly alternating ethylene styrene interpolymers |
Oct. 19, 2004 |
| 6756505 |
Metallocene complexes |
Jun. 29, 2004 |
| 6730755 |
Halosulfonic acid treated catalyst support for olefin polymerization |
May. 4, 2004 |
| 6683199 |
Dicationic non-metallocene group 4 metal complexes |
Jan. 27, 2004 |
| 6653417 |
Catalyst precursor and olefin polymerization processes |
Nov. 25, 2003 |
| 6642169 |
Polymerisation catalysts |
Nov. 4, 2003 |
| 6639030 |
Process for production of olefin polymer |
Oct. 28, 2003 |
| 6620758 |
Olefin polymerization catalyst component, its preparation and use |
Sep. 16, 2003 |
| 6608152 |
Process for the polymerization of olefins; novel polyethylenes, and films and articles produced therefrom |
Aug. 19, 2003 |
| 6605676 |
Process for obtaining polyolefins with broad bimodal or multimodal molecular weight distributions |
Aug. 12, 2003 |
| 6583239 |
Process for producing a polymer of an .alpha.-olefin and lubricant |
Jun. 24, 2003 |
| 6579961 |
Ethylene styrene interpolymers with double reverse styrene incorporation |
Jun. 17, 2003 |
| 6559091 |
Catalysts containing N-pyrrolyl substituted nitrogen donors |
May. 6, 2003 |
| 6545108 |
Catalysts containing N-pyrrolyl substituted nitrogen donors |
Apr. 8, 2003 |
| 6534610 |
Hydrolytically degradable olefin copolymers |
Mar. 18, 2003 |
| 6531550 |
Process for producing polymers |
Mar. 11, 2003 |
| 6495640 |
Process for polymerizing alpha-olefins |
Dec. 17, 2002 |
| 6489424 |
Transition metal catalyst component for polymerization, aromatic vinyl compound polymer having stereoregularity and method for its preparation by means of the catalyst component |
Dec. 3, 2002 |
| 6482902 |
Catalyst system |
Nov. 19, 2002 |
| 6458901 |
Propylenic copolymer and thermoplastic resin composition |
Oct. 1, 2002 |
| 6451938 |
Polymerization catalyst system comprising heterocyclic fused cyclopentadienide ligands |
Sep. 17, 2002 |
| 6423796 |
Process for the preparation of substantially amorphous alpha-olefin polymers and compositions containing them and process for the preparation of bridged ligand |
Jul. 23, 2002 |
| 6414090 |
Process for producing a polymer of an .alpha.-olefin and lubricant |
Jul. 2, 2002 |
| 6407192 |
Production of polyethylene for blow molding |
Jun. 18, 2002 |
| 6376406 |
Catalyst compositions comprising bridged metal complexes and an activating cocatalyst |
Apr. 23, 2002 |
| 6362293 |
Syndiotactic vinylidene aromatic polymerization process |
Mar. 26, 2002 |
| 6355745 |
Syndiotactic monovinylidene aromatic polymerization process |
Mar. 12, 2002 |
| 6329479 |
Transition metal compound as catalyst component for polymerization, aromatic vinyl compound-olefin copolymer having stereoregularity and method for its preparation by means of the transition m |
Dec. 11, 2001 |
| 6326444 |
Preparation of polymers of alkenes by suspension polymerization |
Dec. 4, 2001 |
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