Featured patents

Directed Self Assembly Copolymer Composition and Related Methods
US 08822619 B1, Sept. 2, 2014, From aromatic hydrocarbon, Daniel Murray et al. / Rohm and Haas Electronic Materials LLC (Marlborough, US)
A copolymer composition, comprising:…

Process for Preparing Water Soluble Polymers With No Insoluble Gels and Low Levels of Residual Monomers
US 08785573 B2, July 22, 2014, Polymerizing in Two or More Physically Distinct Zones, Jeffrey R. Cramm / Ecolab USA Inc (Naperville, US)
A method of feeding wet gel polymer into a drying step of a water…

Polymer Composition for Cement Dispersant and Method for Producing Same
US 08859702 B2, Oct. 14, 2014, Ether or hydroxy containing, Naohiko Itayama et al. / Nippon Shokubai Co., Ltd. (Osaka, JP)
A method of producing a polymer-containing composition for dispersants…

Polymerization Product Pressures in Olefin Polymerization
US 08871886 B1, Oct. 28, 2014, From hydrocarbon, John D. Hottovy et al. / Chevron Phillips Chemical Company LP (The Woodlands, US)
A process for making a low density polymer in a polymerization reactor system,…

Solid Titanium Catalyst Component, Olefin Polymerization Catalyst, and Olefin Polymerization Process
US 08742040 B2, June 3, 2014, Contains organic Al compound containing no H to aluminum or C to aluminum bonds, Kazumitsu Kawakita et al. / Mitsui Chemicals, Inc. (Tokyo, JP)
A solid titanium catalyst component (I) comprising titanium, magnesium, halogen,…

Broadening the Molecular Weight Distribution of Polyolefins Materials Made in a Horizontal Stirred Gas Phase Reactor
US 08658745 B2, Feb. 25, 2014, Polymerizing in Two or More Physically Distinct Zones, Pierre Sere-Peyrigain et al. / INEOS USA LLC (Lisle, US)
An olefin polymerization process comprising polymerization of at least one olefin…

Procatalyst Composition With Alkoxyalkyl 2-Propenoate Internal Electron Donor and Polymer From Same
US 08536290 B2, Sept. 17, 2013, Material contains ether, Tak W. Leung et al. / Dow Global Technologies LLC (Midland, US)
A catalyst composition comprising:…

Copolymer of Olefin and Conjugated Diene, and Process for Producing the Same
US 08513368 B2, Aug. 20, 2013, Interpolymerized with aliphatic hydrocarbon, Makoto Mitani et al. / Mitsui Chemicals, Inc. (Tokyo, JP)
A copolymer obtained by copolymerizing at least ethylene and a conjugated diene,…

Process for Olefin Polymerization
US 08501881 B2, Aug. 6, 2013, Including step of synthesis of monomer or pre-polymer, Sameer Vijay et al. / Borealis AG (Vienna, AT)
Process for polymerizing at least one olefin in the presence of a polymerization…

Silicone Hydrogel Contact Lenses Having Acceptable Levels of Energy Loss
US 08481662 B2, July 9, 2013, From monomer containing a silicon atom, Arthur Back et al. / CooperVision International Holding Company, LP (St. Michael, BB)
A silicone hydrogel contact lens, comprising:…

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