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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 |
| 6313240 |
Process for producing ethylene/.alpha.-olefin copolymer |
Nov. 6, 2001 |
| 6310164 |
Unsaturated copolymers, processes for preparing the same, and compositions containing the same |
Oct. 30, 2001 |
| 6310150 |
Supported olefin polymerization catalysts |
Oct. 30, 2001 |
| 6303718 |
Composition based on fluorine-containing metal complexes |
Oct. 16, 2001 |
| 6294626 |
Olefin polymerization catalysts containing modified boraaryl ligands |
Sep. 25, 2001 |
| 6288191 |
Ethylene-isoprene random copolymer |
Sep. 11, 2001 |
| 6281155 |
Supported olefin polymerization catalysts |
Aug. 28, 2001 |
| 6265504 |
Preparation of ultra-high-molecular-weight polyethylene |
Jul. 24, 2001 |
| 6255415 |
Ethylene polymerization process |
Jul. 3, 2001 |
| 6255246 |
Boratabenzene cocatalyst with metallocene catalyst |
Jul. 3, 2001 |
| 6235855 |
Transition metal compound as catalyst component in method for producing aromatic vinyl compound polymer or aromatic vinyl compound-olefin copolymer having stereoregularity |
May. 22, 2001 |
| 6232483 |
Polymerization of ethylene |
May. 15, 2001 |
| 6228958 |
Azaborolinyl metal complexes as olefin polymerization catalysts |
May. 8, 2001 |
| 6225427 |
Olefin polymerization process employing metallocene catalyst provided by cocatalyst activation of a metallocene procatalyst |
May. 1, 2001 |
| 6225426 |
Process for producing polyolefin elastomer employing a metallocene catalyst |
May. 1, 2001 |
| 6207774 |
Process for producing ethylene/.alpha.-olefin copolymer |
Mar. 27, 2001 |
| 6197901 |
Preparation of homo- and copolymers of alk-1-enes |
Mar. 6, 2001 |
| 6180552 |
Transition metal complexes containing neutral, multidentate azacyclic ligands |
Jan. 30, 2001 |
| 6150480 |
Production of polyethylene for blow molding |
Nov. 21, 2000 |
| 6150529 |
Single site catalyst with methyl aluminoxane or borate free and their applications for the preparation of polyolefins |
Nov. 21, 2000 |
| 6127495 |
Preparation of polymers of C.sub.2 -C.sub.12 -alkenes with the addition of a reaction retarder |
Oct. 3, 2000 |
| 6124413 |
Process for preparing elastomeric EP(D)M copolymers |
Sep. 26, 2000 |
| 6121394 |
Metallocene-catalyzed olefin polymerization in the absence of aluminoxane |
Sep. 19, 2000 |
| 6121185 |
Highly soluble olefin polymerization catalyst activator |
Sep. 19, 2000 |
| 6107232 |
Polymerization catalyst and process for preparing polymer by use of same |
Aug. 22, 2000 |
| 6100352 |
Process for producing polymer |
Aug. 8, 2000 |
| 6084046 |
Copolymer and copolymer composition |
Jul. 4, 2000 |
| 6077804 |
Olefin polymerization catalyst and process for preparing polyolefins |
Jun. 20, 2000 |
| 6066709 |
Ethylene-aromatic vinyl compound copolymer and method for its production |
May. 23, 2000 |
| 6060572 |
Process for producing polyolefin elastomer employing a metallocene catalyst |
May. 9, 2000 |
| 6060567 |
Interpolymers formed by continuous processes |
May. 9, 2000 |
| 6060416 |
Prepolymerized solid catalyst, process for preparing the same, and process for heterogeneous polymerization of olefins |
May. 9, 2000 |
| 6060569 |
Polymerization of ethylene |
May. 9, 2000 |
| 6034190 |
Olefin polymerization catalyst component |
Mar. 7, 2000 |
| RE36563 |
Transition metal compound, polymerization catalyst using same and process for producing styrenic polymer using said polymerization catalyst |
Feb. 8, 2000 |
| 6022935 |
Preparation of polymers of alk-1-enes in the presence of a supported metallocene catalyst system and of antistatic agent |
Feb. 8, 2000 |
| 6013745 |
Phosphorus based catalysts for the polymerization of olefins |
Jan. 11, 2000 |
| 6011127 |
Process for the production of ethylenic polymers |
Jan. 4, 2000 |
| 6005061 |
Organo-aluminoxy product and use |
Dec. 21, 1999 |
| 5972823 |
Supported ionic catalyst composition |
Oct. 26, 1999 |
| 5959047 |
3-aryl substituted indenyl containing metal complexes and polymerization process |
Sep. 28, 1999 |
| 5959046 |
Processes for producing propylene polymer utilizing bis (1-(4-isopropyl-7-methyl-indenyl) zirconium halide-base catalyst components |
Sep. 28, 1999 |
| 5942459 |
Catalysts for olefin polymerization and a process for preparing olefin polymers therewith |
Aug. 24, 1999 |
| 5939345 |
Prepolymerized solid catalyst, process for preparing the same, and process for heterogeneous polymerization of olefins |
Aug. 17, 1999 |
| 5919983 |
Highly soluble olefin polymerization catalyst activator |
Jul. 6, 1999 |
| 5914375 |
Catalyst composition for preparing high-syndiotactivity polystyrene from styrene or other aryl ethylene monomers and processes using the same |
Jun. 22, 1999 |
| 5907021 |
High temperature olefin polymerization process |
May. 25, 1999 |
| 5905126 |
Process and catalyst for producing styrenic polymer |
May. 18, 1999 |
| 5902866 |
Azaborolinyl metal complexes as olefin polymerization catalysts |
May. 11, 1999 |
| 5891816 |
Single site catalysts with MAO or borate free and their application for polyolefins |
Apr. 6, 1999 |
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