Featured patents

Polyester Polymerization Catalyst and Method for Producing Polyester Using the Same
US 08816041 B2, Aug. 26, 2014, Material contains a Group IVB metal atom (Ti, Zr, Hf), Keisuke Honda et al. / Toray Industries, Inc. (Tokyo, JP)
A polyester polymerization catalyst that is a mannitol-coordinated titanium…

Process for Producing Polyether-Polyester Block Copolymer
US 08779084 B2, July 15, 2014, Polyhydroxy-containing compound or salt thereof having an ether-oxygen atom as reactant, Daobing Lin et al. / Solvay (China) Co., Ltd. (Shanghai, CN
A process for producing a polyether-polyester block copolymer, comprising:…

Process for Working Up Particulate Crude Polyoxymethylene
US 08859721 B2, Oct. 14, 2014, Contacting with water, Jürgen Deininger et al. / BASF SE DE
A process for working up particulate crude polyoxymethylene, which comprises…

Mixtures Resulting From Methods for Purification of Polyether Polymers
US 08729214 B2, May 20, 2014, From ketone-containing phenolic reactant or with ketone-containing reactant, Thomas Guggenheim et al. / Sabic Innovative Plastics IP B.V. NL
A mixture consisting essentially of an aromatic polyetherimide made by a halide…

Process to Produce Valerolactone From Levulinic Acid
US 08598303 B2, Dec. 3, 2013, From dicarboxylic acid or derivative thereof and an organic amine, or from an organic amine salt of a dicarboxylic acid, Michele Catherine Christianne Janssen et al. / DSM IP Assets B.V. (Heerlen, NL)
A process for the preparation of valerolactone, said process comprising reacting…

Composite Roofing Overlay Containing Recycled Paint Waste and Recycled Crushed Glass
US 08604160 B2, Dec. 10, 2013, Treating Polymer Containing Material or Treating a Solid Polymer or a Resinifiable Intermediate Condensation Product, Michael Joseph Gerace / Polymer Recycling, LLC (Powhatan, US)
A composite roofing overlay comprising:…

Composition Comprising Silyl Derivative as Dehydrating Agent
US 08552137 B2, Oct. 8, 2013, Process of polymerizing in the presence of a specified material other than reactant, Philippe Barbeau et al. / Vencorex France (Saint-Priest, FR)
A composition comprising at least one isocyanate sub-composition, having at most…

Aromatic Ether and Alkynyl Containing Phthalonitriles
US 08530607 B2, Sept. 10, 2013, Ethylenically unsaturated reactant, Matthew Laskowski et al. / The United States of America, as represented by the Secretary of the Navy (Washington, US)
A polymer comprising the repeat unit:…

Water-Based Adhesive for Lamination of Polymers to Metal Substrates
US 08530608 B2, Sept. 10, 2013, From Carboxylic Acid or Derivative Thereof, Brian D. Bammel et al. / Henkel AG & Co. KGaA (Duesseldorf, DE)
A water-based adhesive composition; said adhesive composition comprising:…

Polyether-Modified Polysiloxane Containing a Perfluoropolyether Group and Its Production Method
US 08519078 B2, Aug. 27, 2013, Material contains a Group VIII metal atom, Yasunori Sakano et al. / Shin-Etsu Chemical Co., Ltd. (Tokyo, JP)
A polyether-modified polysiloxane containing a perfluoropolyether group…

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