Featured patents

Methods for Producing Aminonitrobenzoic Acids
US 08835677 B2, Sept. 16, 2014, Plural nitrogens, Christopher Wright / Perkinelmer Health Sciences, Inc. (Waltham, US)
A method for producing 2-amino-6-nitrobenzoic acid, comprising:…

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…

Process for Preparing Aminopolycarboxylates Proceeding From Amino Acids
US 08785685 B2, July 22, 2014, Of nitrogen containing compound, Alfred Oftring et al. / BASF SE (Ludwigshafen, DE)
A process for preparing an aminopolycarboxylate from an amino acid, the process…

Recovery of Phosphorus Values and Salt Impurities From Aqueous Waste Streams
US 08669396 B2, March 11, 2014, Purification or recovery per se, Peng Lei et al. / Monsanto Technology LLC (St. Louis, US)
A process for the recovery of phosphorus values and salt impurities…

Method of Producing Phthaloyl Dichloride Compound, Catalyst for Use in the Method, and Method of Forming the Catalyst
US 08642805 B2, Feb. 4, 2014, Plural -C(=O)-halo groups bonded directly to the same benzene ring, Yoshikazu Kimura et al. / Iharanikkei Chemical Industry Co., Ltd. (Shizuoka, JP)
A method of producing a phthaloyl dichloride compound, the method comprising:…

Method for Producing (Meth) Acrylic Acid
US 08604238 B2, Dec. 10, 2013, Unsaturated, Masaharu Oba / Nippon Shokubai Co. Ltd. JP
A method for producing (meth)acrylic acid comprising:…

Process for the Preparation of Sodium Gamma-Hydroxybutyrate
US 08524944 B2, Sept. 3, 2013, Oxy, James Luchi et al. / Norac Pharma (Azusa, US)
A process for the saponification of a compound comprising a lactone to produce…

Optimized Liquid-Phase Oxidation
US 08501986 B2, Aug. 6, 2013, Air, oxygen, or ozone oxidant, Robert Lin et al. / Grupo Petrotemex, S.A. de C.V. (San Pedro Garza Garcia, MX)
A process for producing terephthalic acid, said process comprising:…

Process of Separation of Glyoxylic Acid From an Aqueous Reaction Medium Containing Glyoxylic Acid and Hydrochloric Acid
US 08481783 B2, July 9, 2013, Aldehyde or ketone, Olivier Simon / Clariant Speciality Fine Chemicals (France) (Nanterre, FR
A process for separating glyoxylic acid starting from an aqueous reaction medium…

Process for Starting Up a Separating Process for Purifying Removal of Acrylic Acid Crystals From a Suspension S of Crystals Thereof in Mother Liquor
US 08461383 B2, June 11, 2013, Purification or recovery per se, Dirk Litters et al. / BASF SE (Ludwigshafen, DE)
A process for starting up a separating process for purifying removal of acrylic…

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