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Class Information
Number: 526/129
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 silicon atom > Contains non-transition free metal, hydride thereof, or carbon to non-transition metal atom bond > Silicon present in inorganic oxygen-containing compound
Description: Subject matter wherein the silicon-containing material is an inorganic oxygen-containing compound, e.g., H3
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8703886 |
Dual activator-support catalyst systems |
Apr. 22, 2014 |
| 8680001 |
Preparation of supported catalyst systems containing reduced amounts of aluminoxanes |
Mar. 25, 2014 |
| 8637618 |
Method for producing very-high or ultra-high molecular weight polyethylene |
Jan. 28, 2014 |
| 8633286 |
Catalyst compositions comprising support materials having an improved particle-size distribution |
Jan. 21, 2014 |
| 8623973 |
Activator supports impregnated with group VIII transition metals for polymer property control |
Jan. 7, 2014 |
| 8563671 |
Supported metallocene catalysts |
Oct. 22, 2013 |
| 8546496 |
Process for preparing a bimodal polyethylene product in a single loop reactor |
Oct. 1, 2013 |
| 8524627 |
Activating supports with controlled distribution of OH groups |
Sep. 3, 2013 |
| 8524626 |
Nano-linked metallocene catalyst compositions and their polymer products |
Sep. 3, 2013 |
| 8519069 |
Catalytic complex for olefin metathesis reactions, process for the preparation thereof and use thereof |
Aug. 27, 2013 |
| 8507621 |
Polymerization process for producing bimodal polymers |
Aug. 13, 2013 |
| 8501654 |
Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor |
Aug. 6, 2013 |
| 8497330 |
Methods for polymerization using spray dried and slurried catalyst |
Jul. 30, 2013 |
| 8487053 |
Methods for removing polymer skins from reactor walls |
Jul. 16, 2013 |
| 8450437 |
Polymerization catalysts for producing polymers with low melt elasticity |
May. 28, 2013 |
| 8450435 |
Increased run length in gas phase reactors |
May. 28, 2013 |
| 8450436 |
Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates |
May. 28, 2013 |
| 8445607 |
Process for the preparation of a particulate bimodal polyethylene product |
May. 21, 2013 |
| 8435911 |
Hybrid catalyst composition for polymerization of olefins |
May. 7, 2013 |
| 8436112 |
Polyolefin production with a high performance support for a metallocene catalyst system |
May. 7, 2013 |
| 8431659 |
Prepolymerized catalyst for olefin polymerization, method of producing this prepolymerized catalyst and method of producing olefin polymer |
Apr. 30, 2013 |
| 8426538 |
Catalyst compositions and polyolefins for extrusion coating applications |
Apr. 23, 2013 |
| 8426536 |
Nano-linked heteronuclear metallocene catalyst compositions and their polymer products |
Apr. 23, 2013 |
| 8426539 |
Transition metal complexes supported on activating support |
Apr. 23, 2013 |
| 8399375 |
Supported metallocene catalyst composition and a process for the preparation of polyolefin using the same |
Mar. 19, 2013 |
| 8362163 |
Tethered supported transition metal complex |
Jan. 29, 2013 |
| 8338324 |
Activating supports based on phosphonium complexes |
Dec. 25, 2012 |
| 8324126 |
Process of preparation of catalytic support and supported metallocene catalysts for production of homopolymers and copolymers of ethylene with alfa-olefins, of high and ultra high molecular we |
Dec. 4, 2012 |
| 8318873 |
Polymerization process for producing bimodal polymers |
Nov. 27, 2012 |
| 8314199 |
Homo- or co-polymers of ethylene with combination of processability and toughness properties |
Nov. 20, 2012 |
| 8304361 |
Reduced reactor fouling |
Nov. 6, 2012 |
| 8298977 |
Metallocene catalyst components supported on activating supports |
Oct. 30, 2012 |
| 8299188 |
Supported metallocene catalysts |
Oct. 30, 2012 |
| 8298978 |
Reactor continuity |
Oct. 30, 2012 |
| 8288487 |
Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen |
Oct. 16, 2012 |
| 8273677 |
Production process of pre-polymerized polymerization catalyst component and addition polymer |
Sep. 25, 2012 |
| 8268944 |
Dual metallocene catalysts for polymerization of bimodal polymers |
Sep. 18, 2012 |
| 8258247 |
Catalyst component for polymerization of ethylene and process for producing ethylene polymer (2) |
Sep. 4, 2012 |
| 8242221 |
Half-metallocene catalyst compositions and their polymer products |
Aug. 14, 2012 |
| 8242220 |
Copolymers and films thereof |
Aug. 14, 2012 |
| 8207280 |
Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor |
Jun. 26, 2012 |
| 8163854 |
Preparation of supported silyl-capped silica-bound anion activators and associated catalysts |
Apr. 24, 2012 |
| 8143430 |
Nano-linked heteronuclear metallocene catalyst compositions and their polymer products |
Mar. 27, 2012 |
| 8138113 |
Dual metallocene catalysts for polymerization of bimodal polymers |
Mar. 20, 2012 |
| 8114946 |
Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches |
Feb. 14, 2012 |
| 8110640 |
Half-metallocene catalyst compositions and their polymer products |
Feb. 7, 2012 |
| 8101537 |
Prepolymerized catalyst for olefin polymerization, method of producing this prepolymerized catalyst and method of producing olefin polymer |
Jan. 24, 2012 |
| 8084559 |
Transition metal complex, process for producing said transition metal complex, substituent-carrying fluorene compound, process for producing said fluorene compound, catalyst component for olef |
Dec. 27, 2011 |
| 8076259 |
Process for the preparation of catalyst paste and products thereof |
Dec. 13, 2011 |
| 8039564 |
Catalyst precursor particles, their preparation and use |
Oct. 18, 2011 |
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