Featured patents

Process for the Preparation of Highly Purified, Dialkydithiophosphinic Compounds
US 08796487 B2, Aug. 5, 2014, Sulfur attached directly to the phosphorus by nonionic bonding, Leo Zhaoqing Liu et al. / Rhodia Operations (Aubervilliers, FR)
A process for converting dialkylphosphinic acid into dialkylthiophosphinic halide…

Methanol Carbonylation Process With Rhodium Catalyst, an Iodide Salt and a Metallic Co-Catalyst Selected From Transition Metals, Indium, Strontium, Barium, Zinc, Tin and Heteropoly Acids
US 08785684 B2, July 22, 2014, Preparation by carbonylation, Samuel Gautron et al. / Celanese International Corporation (Irving, US)
A continuous process for the production of acetic acid comprising:…

Method for Synthesizing Unsaturated Carboxylic Acid And/Or Derivative of Same
US 08772539 B2, July 8, 2014, Formation of ethylenic unsaturation, Kazumichi Yanagisawa et al. / Kabushiki Kaisha Sangi (Tokyo, JP)
A method for synthesizing an unsaturated carboxylic acid and/or a salt…

Method of Producing Acid Halide and Acid Halide
US 08729302 B2, May 20, 2014, Carboxylic halides-halo group), Akiyoshi Goto / FUJIFILM Corporation (Tokyo, JP)
A compound represented by the following Formula (I-1), (I-7) or (I-29):…

Acetic Acid Production From Biomass Pyrolysis
US 08716522 B2, May 6, 2014, Preparation from source of undetermined composition, Joseph Anthony Kocal / UOP LLC (Des Plaines, US)
A method for separating acetic acid from an acetic acid-containing biomass…

Processes for Producing Acrylic Acids and Acrylates
US 08658822 B2, Feb. 25, 2014, Formation of ethylenic unsaturation, Mark O. Scates et al. / Celanese International Corporation (Irving, US)
A process for producing an acrylate product, the process comprising:…

Process for Resolving S-3-(Aminomethyl)-5-Methylhexanoic Acid
US 08592625 B2, Nov. 26, 2013, Racemization or separation of optical isomers, Yongbing Guo et al. / Zheinjiang Jiuzhou Pharmaceutical Co., Ltd. (Taizhou, Zhejiang, CN)
A process for resolving S-3-(Aminomethyl)-5-methylhexanoic acid, comprising…

Process to Prepare Treprostinil, the Active Ingredient in Remodulin®
US 08497393 B2, July 30, 2013, Polycyclo ring system, Raju Penmasta et al. / United Therapeutics Corporation (Silver Spring, US)
A product comprising a compound of formula I…

Superabsorbent Polymers and Methods of Making the Same
US 08481784 B2, July 9, 2013, Purification or recovery per se, Gunther Bub et al. / Evonik Degussa GmbH (Essen, DE)
A process for the preparation of a superabsorbent polymer comprising the steps…

Method for the Production of Aminodicarboxylic Acid-N,N-Diacetic Acids
US 08455682 B2, June 4, 2013, Polycarboxylic, Gerold Braun et al. / BASF SE (Ludwigshafen, DE)
A process for preparing aminodicarboxylic acid-N,N-diacetic acids of formula…

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