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Class Information
Number: 526/941
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Having the transition metal bonded directly to carbon
Description: Subject matter involving specified materials wherein carbon is bonded directly to the
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615597 |
Process for the copolymerization of ethylene |
Nov. 10, 2009 |
| 7598329 |
Process for manufacturing ultra high molecular weight polymers using novel bridged metallocene catalysts |
Oct. 6, 2009 |
| 7592402 |
Process for producing modified particle; carrier; catalyst component for addition polymerization; process for producing catalyst for addition polymerization; and process for producing addition |
Sep. 22, 2009 |
| 7592403 |
Ethylene polymer, preparation process thereof and molded articles of the same |
Sep. 22, 2009 |
| 7579417 |
Metallocene compounds |
Aug. 25, 2009 |
| 7569647 |
Process for the copolymerization of ethylene |
Aug. 4, 2009 |
| 7569713 |
Hydrogenated catalyst |
Aug. 4, 2009 |
| 7557171 |
Halogen substituted metallocene compounds for olefin polymerization |
Jul. 7, 2009 |
| 7550544 |
Halogen substituted metallocene compounds for olefin polymerization |
Jun. 23, 2009 |
| 7541412 |
Process for preparation of polyolefins via degenerative transfer polymerization |
Jun. 2, 2009 |
| 7538168 |
Halogen substituted metallocene compounds for olefin polymerization |
May. 26, 2009 |
| 7534841 |
1-butene polymer and process for the preparation thereof |
May. 19, 2009 |
| 7521572 |
Polymerization catalysts and process for producing bimodal polymers in a single reactor |
Apr. 21, 2009 |
| 7514510 |
Fluorenyl catalyst compositions and olefin polymerization process |
Apr. 7, 2009 |
| 7501372 |
Catalyst compositions for producing polyolefins in the absence of cocatalysts |
Mar. 10, 2009 |
| 7470759 |
Isotactic-atactic polypropylene and methods of making same |
Dec. 30, 2008 |
| 7432336 |
Catalysts for propylene copolymers |
Oct. 7, 2008 |
| 7405261 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and process for preparing polyolefins |
Jul. 29, 2008 |
| 7323526 |
Supported metallocene-alkyl catalyst composition |
Jan. 29, 2008 |
| 7285608 |
Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins |
Oct. 23, 2007 |
| 7259215 |
Process for producing propylene/ethylene block copolymer and propylene/ethylene block copolymer |
Aug. 21, 2007 |
| 7166684 |
Transition metal compound, catalyst for olefin polymerization and method for producing polyolefin |
Jan. 23, 2007 |
| 7125937 |
Polyorganosilsesquioxane supported metallocene catalysts |
Oct. 24, 2006 |
| 7119153 |
Dual metallocene catalyst for producing film resins with good machine direction (MD) elmendorf tear strength |
Oct. 10, 2006 |
| 7109278 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins |
Sep. 19, 2006 |
| 7053160 |
Metallocene monohalogenides |
May. 30, 2006 |
| 7041756 |
Catalyst component comprising a metallocene with two tetrahydroindenyl ligands for producing a polyolefin |
May. 9, 2006 |
| 6998451 |
Olefin polymerization process |
Feb. 14, 2006 |
| 6995220 |
Ethylene polymerization process |
Feb. 7, 2006 |
| 6646074 |
Process for the continuous gas-phase (co-) polymerisation of olefins in a fluidized bed reactor |
Nov. 11, 2003 |
| 6407177 |
Polypropylene blend |
Jun. 18, 2002 |
| 6403735 |
Method for producing fulvene metal complexes |
Jun. 11, 2002 |
| 6403736 |
Ethylene polymerization process |
Jun. 11, 2002 |
| 6391467 |
Cast film made from metallocene-catalyzed polypropylene |
May. 21, 2002 |
| 6300439 |
Group 15 containing transition metal catalyst compounds, catalyst systems and their use in a polymerization process |
Oct. 9, 2001 |
| 5846895 |
Supported metallocene complex and process for its preparation |
Dec. 8, 1998 |
| 5844056 |
Star polymers having multiple polyisobutylene arms emanating from a calixarene core, initiators therefor, and method for the synthesis thereof |
Dec. 1, 1998 |
| 5840816 |
Method of manufacturing a polysiloxane charge transporting material |
Nov. 24, 1998 |
| 5663237 |
Graft copolymerization in supercritical media |
Sep. 2, 1997 |
| 5641843 |
Process for polymerization of alpha-olefins |
Jun. 24, 1997 |
| 5559198 |
Process for preparing poly(vinyl trifluoroacetate) and poly(vinyltrifluoroacetate/vinyl ester) copolymers in supercritical Co.sub . |
Sep. 24, 1996 |
| 5552502 |
Polymerization process and compositions thereof |
Sep. 3, 1996 |
| 5543479 |
Process for the production of polyisoolefins |
Aug. 6, 1996 |
| 5439995 |
Catalyst and prepolymer used for the preparation of polyolefins |
Aug. 8, 1995 |
| 5324698 |
New carrier catalyst for the polymerization of ethylene |
Jun. 28, 1994 |
| 5308816 |
Olefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerization |
May. 3, 1994 |
| 5142005 |
Process for producing crystalline vinyl aromatic polymers having mainly a syndiotactic structure |
Aug. 25, 1992 |
| 5126301 |
Solid catalyst for polymerizing an olefin |
Jun. 30, 1992 |
| 5106804 |
Catalyst and prepolymer used for the preparation of polyolefins |
Apr. 21, 1992 |
| 5089460 |
Vanadium catalyst systems for olefin polymerization |
Feb. 18, 1992 |
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