Featured patents

Foamed Isocyanate-Based Polymer, a Mix and Process for Production Thereof
US 08735460 B2, May 27, 2014, -XH reactant contains a C=X group, e.g., carboxylic acid ester, etc., Charles Nichols et al. / Dupont Nutrition Bioscience APS (Copenhagen K, DK)
A foamed isocyanate-based polymer derived from a reaction mixture comprising…

Hydroxyl Terminated Precursor and Method of Making the Same
US 08722753 B2, May 13, 2014, -XH reactant contains a C-X-C group, Thomas N. Jones et al. / Lear Corporation (Southfield, US)
A method of making a flexible polyurethane, the method comprising:…

Method of Devulcanizing a Cross-Linked Elastomeric Material
US 08673989 B2, March 18, 2014, Treating with organic nitrogen-containing material, James F. Fisher / New Rubber Technologies Holdings, Inc. (San Rafael, US)
A method of devulcanizing a thermoset cross-linked elastomer material, comprising…

Process of Making Polyester Latex With Buffer
US 08673990 B2, March 18, 2014, Latex, dispersion, or emulsion contains an additional solid polymer-forming system, Zhen Lai et al. / Xerox Corporation (Norwalk, US)
A method comprising:…

Foam-Forming Compositions Containing Azeotropic or Azeotrope-Like Mixtures Containing Z-1,1,1,4,4,4-Hexafluoro-2-Butene and Methyl Formate and Their Uses in the Preparation of Polyisocyanate-Based Foams
US 08658708 B2, Feb. 25, 2014, Ingredient contains only carbon and hydrogen atoms, only C and halogen atoms, or only C, H, and halogen atoms, Mark L. Robin et al. / E I du Pont de Nemours and Company (Wilmington, US)
A foam forming composition comprising:…

Poly(perfluorocyclobutane) Ionomer With Phosphonic Acid Groups for High Temperature Fuel Cells
US 08609739 B2, Dec. 17, 2013, Membrane or process of preparing, Michael R. Schoeneweiss et al. / GM Global Technology Operations LLC (Detroit, US)
A method of forming an ion conducting polymeric membrane for fuel cells,…

Rigid Polyurethane Foam and System and Method for Making the Same
US 08541478 B2, Sept. 24, 2013, Ingredient contains only carbon and hydrogen atoms, only C and halogen atoms, or only C, H, and halogen atoms, Sachchida Nand Singh et al. / Huntsman International LLC (The Woodlands, US)
A process for preparing a rigid polymeric foam having a closed cell content…

Process for Texturing Materials
US 08546458 B2, Oct. 1, 2013, Cellular product derived from silicon containing reactant, Alexei Goraltchouk et al. / Allergan, Inc. (Irvine, US)
A method of making a material having a preselected color and suitable…

Preparing Expandable Styrene Polymers
US 08455559 B2, June 4, 2013, Particle which is expandible, process of preparing an expandible particle, or process of expanding a particle to form a cellular product, Eckhard Neufeld et al. / BASF SE DE
A process for preparing expandable styrene polymers which comprises the steps of:…

Solid Electrolyte Membrane for Fuel Cell and Process for Producing Same
US 08445551 B2, May 21, 2013, Membrane or process of preparing, Haruhiko Komoriya et al. / Central Glass Company, Ltd. (Ube-shi, JP)
A polysiloxane compound comprising the following condensation unit (a),…

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