Featured patents

Catalyst Systems and Methods for Using Same to Produce Polyolefin Products
US 08835582 B2, Sept. 16, 2014, Material contains aluminum compound other than aluminum trihalide or nonmetallic organic complex of aluminum trihalide, Wesley R. Mariott et al. / Univation Technologies, LLC (Houston, US)
A catalyst system, comprising:…

Chromium Catalysts for Olefin Polymerization
US 08846834 B2, Sept. 30, 2014, Metal oxide is of chromium, Xiaoliang Gao et al. / NOVA Chemicals (International) S.A. (Fribourg, CH
A process for making polyethylene by polymerizing ethylene, optionally with one…

Use of Hydrogen Scavenging Catalysts to Control Polymer Molecular Weight and Hydrogen Levels in a Polymerization Reactor
US 08835588 B2, Sept. 16, 2014, N-hexene, Qing Yang et al. / Chevron Phillips Chemical Company LP (The Woodlands, US)
An ethylene polymer having:…

Method for the Preparation of Styrenic Fluoropolymers
US 08871882 B2, Oct. 28, 2014, Aromatic, Ted Calvin Germroth et al. / Akron Polymer Systems, Inc. (Akron, US)
A method for the preparation of a fluoropolymer, wherein the method comprises…

Method for Neutralizing Polymerization Catalyst
US 08729199 B2, May 20, 2014, Polymerizing in Tubular or Loop Reactor, Daan Dewachter / Total Research & Technology Feluy (Seneffe (Feluy), BE
A method for cleaning a catalyst slurry preparation system, said catalyst slurry…

Cross-Linkable Polyolefin Composition Comprising Two Types of Silane Groups
US 08722827 B2, May 13, 2014, From monomer containing a silicon atom, Roger Carlsson et al. / Borealis AG AT
A polyolefin composition comprising a cross-linkable polyolefin with:…

Fluoro Levelling Agents
US 08669336 B2, March 11, 2014, Fluorine containing monomer is a mono-carboxylic acid ester, Andreas Möck et al. / BASF SE (Ludwigshafen, DE)
A coating composition comprising:…

Non-Hydrocarbyl Hydrophobically Modified Polycarboxylic Polymers
US 08623977 B2, Jan. 7, 2014, Fluorine containing monomer is a mono-carboxylic acid ester, Dekai Loo et al. / Hercules Incorporated (Wilmington, US)
A cross-linked carboxylic acid copolymer comprising:…

Tinted Lenses That Correct for High Order Aberrations
US 08541526 B2, Sept. 24, 2013, From S-containing monomer, Junhao Ge et al. / Essilor International (Compagnie Generale d'Optique) (Charenton Cedex, FR
A method of tinting a sunglass lens that contains a sandwich configuration of two…

Polymer Compositions for Rotational Molding Applications
US 08492498 B2, July 23, 2013, At least six carbon atoms, Elizabeth M. Lanier et al. / Chevron Phillips Chemical Company LP (The Woodlands, US)
A polymer having a density of from about 0.94 g/cm 3 to about 0.96…

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