Featured patents

Toner Resins for Electronic Copying Purposes
US 08865856 B2, Oct. 21, 2014, With reactant having halo-C(=O)-halo, halo-C(=O)-O-, or -O-C(=O)-O- group, Ema Kenji et al. / BASF SE (Ludwigshafen, DE)
A polycarbonate, having:…

Carbazole Polymer and Method of Manufacturing Same
US 08765903 B2, July 1, 2014, From Boron-Containing Reactant, Toshiya Sagisaka et al. / Ricoh Company, Ltd. (Tokyo, JP)
A carbazole polymer comprising:…

Spandex Compositions for High Speed Spinning
US 08765901 B2, July 1, 2014, With organic nitrogen reactant which contains two NH, =NH, or HNH groups, Charles F. Palmer, Jr. et al. / Invista North America S.ár.l. (Wilmington, US)
Spandex comprising a polyurethane reaction product of:…

Methods and Materials for Removing Metals in Block Copolymers
US 08686109 B2, April 1, 2014, Contacting with ion exchange material or solid sorbent, Hengpeng Wu et al. / AZ Electronic Materials (Luxembourg) S.A.R.L. (Luxembourg, LU
A method of treating a block copolymer solution comprising:…

Organic Electronic Devices and Polymers, Including Photovoltaic Cells and Diketone-Based and Diketopyrrolopyrrole-Based Polymers
US 08691931 B2, April 8, 2014, Nitrogen-containing reactant is a heterocyclic ring compound containing at least one nitrogen atom as a ring member or is nitrogen-containing aromatic compound, Elena E. Sheina et al. / Plextronics, Inc. (Pittsburgh, US)
A device comprising:…

Polydiorganosiloxane Polyamide Copolymers Having Organic Soft Segments
US 08623988 B2, Jan. 7, 2014, Silicon reactant contains an amine nitrogen atom, Stephen A. Johnson et al. / 3M Innovative Properties Company (St. Paul, US)
A composition comprising:…

Process for Production of Di- and Polyamines of the Diphenylmethane Series
US 08557949 B2, Oct. 15, 2013, Nitrogen-containing nonaldehyde or nonaldehyde derivative contains a single organic amine group, Robert Carr et al. / Huntsman International LLC (The Woodlands, US)
A process for the production of aromatic polyamines comprising the steps of:…

Coating Composition
US 08536297 B2, Sept. 17, 2013, With organic compound reactant containing at least two NH, HNH or =NH groups and wherein the reactant composition is devoid of -C-XH, -C(=X)XH or anhydride, Paul L. Wiggins et al. / Albemarle Corporation (Baton Rouge, US)
A composition comprising:…

Polyarylene Sulfide and Method for Producing the Same
US 08546518 B2, Oct. 1, 2013, From inorganic sulfur-containing reactant, Takeshi Unohara et al. / Toray Industries, Inc. (Tokyo, JP)
A method for producing a polyarylene sulfide by reacting a sulfidizing agent…

Composition for Thermosetting Silicone Resin
US 08470952 B2, June 25, 2013, With silicon reactant containing a single silicon atom, Mizuki Yamamoto / Nitto Denko Corporation (Osaka, JP)
A composition for a thermosetting silicone resin, said composition comprising:…

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