Featured patents

Method for Producing (Hydroxymethyl)polysiloxanes
US 08822621 B2, Sept. 2, 2014, Silicon reactant contains a fused, bridged, or cycloaliphatic ring, Steffen Jungermann et al. / Wacker Chemie AG (Munich, DE)
A method for producing (hydroxymethyl)polysiloxanes of the general formula I…

Accelerated Cure of Isocyanate Terminated Prepolymers
US 08754184 B2, June 17, 2014, Reactant contains at least one salt group, e.g., quaternary ammonium salt, etc., Mark P. Ferrandino et al. / Chemtura Corporation (Middlebury, US)
A prepolymer mixture for preparing a polyurethane elastomer, comprising:…

Recycled Butyl Ionomers and Recycling Processes
US 08742066 B2, June 3, 2014, Treating Polymer Containing Material or Treating a Solid Polymer or a Resinifiable Intermediate Condensation Product, Rayner Krista et al. / LANXESS International S.A. (Granges-Paccot, CH)
A process for preparing a recycled butyl ionomer material, the process…

Self-Supporting Dynamic Polymer Membrane, and Uses
US 08748556 B2, June 10, 2014, From glyoxal or compound having two or more -C(=O)-H groups per se, Gihane Nasr et al. / Centre National de la Recherche Scientifique (Paris, FR)
A self-supporting polymeric membrane, wherein said self-supporting polymeric…

Polyphenylene Ether and Method for Producing the Same
US 08637631 B2, Jan. 28, 2014, From di- or higher ester of a polycarboxylic acid as sole reactant, or from a polycarboxylic acid or derivative with a compound containing two or more hydroxyl groups or salts thereof, Tomohiro Kondo et al. / Asahi Kasei Chemicals Corporation (Tokyo, JP)
A polyphenylene ether, comprising a content of a metal magnetic material of 0.001…

Photo-Activated Attachment of Cholesterol to Polyurethane Surfaces for Adhesion of Endothelial Cells
US 08618242 B2, Dec. 31, 2013, Heterocyclic reactant contains a ring composed solely of carbon atoms and a single sulfur atom, Stanley J. Stachelek et al. / The Children's Hospital of Philadelphia (Philadelphia, US)
A polymer according to structure I…

Bodied Siloxane Resin Including M, Q, and T-Propyl Units and Capped With Additional M Units
US 08604151 B2, Dec. 10, 2013, With silicon reactant containing a single silicon atom, Gary Michael Wieber et al. / Dow Corning Corporation (Midland, US)
A bodied siloxane resin comprising M, Q, and T-propyl units and capped…

Crosslinked Blends of Polyphenylene Sulfide and Polyphenylsulfone for Downhole Applications, Methods of Manufacture, and Uses Thereof
US 08604157 B2, Dec. 10, 2013, From Sulfur-Containing Reactant, David P. Gerrard et al. / Baker Hughes Incorporated (Houston, US)
A composition comprising:…

Superhydrophobic Coating
US 08586693 B2, Nov. 19, 2013, Silicon reactant contains an aryl group, Stefan Jung et al. / University of Zurich Office Vice President of Research (Zürich, CH)
A method of production of a coated substrate comprising…

Transparent Polyimide-Polyester Compositions, Method of Manufacture, and Articles Thereof
US 08546516 B2, Oct. 1, 2013, Polyethylene Terephthalate per se, Robert R. Gallucci et al. / Sabic Innovative Plastics IP B.V. NL
A thermoplastic polymer composition, comprising a bisphenol A free combination…

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