Featured patents

Process for the Preparation of Enantiomerically Pure Tert -Leucine
US 08835676 B2, Sept. 16, 2014, Physical resolution, Mysore Aswatha Narayana Rao et al. / Divi's Laboratories Ltd. IN
A process for the preparation of enantiomerically pure tertiary-leucine which is…

Alkaloid Aminoester Derivatives and Medicinal Composition Thereof
US 08835682 B2, Sept. 16, 2014, Alpha nitrogen, Mauro Riccaboni et al. / Chiesi Farmaceutici S.p.A. (Parma, IT)
A process for preparing a compound of formula (I):…

Method for Purifying Difluoroacetic Acid Chloride
US 08785689 B2, July 22, 2014, Forming the carbonyl to halide bond, Hideaki Imura et al. / Central Glass Company, Limited (Ube-shi, JP)
A method for purifying difluoroacetic acid chloride, comprising the step of:…

Process for Producing Carbonyl Difluoride
US 08664438 B2, March 4, 2014, Processes for forming the carbonyl to fluoride bond, Hiromoto Ohno et al. / Showa Denko K.K. (Tokyo, JP)
A process for producing carbonyl difluoride comprising a step of reacting…

Neutralization Process
US 08575389 B2, Nov. 5, 2013, Purification or recovery per se, Karl J. Possemiers et al. / BASF SE (Ludwigshafen, DE)
A neutralization process in which at least one ethylenically unsaturated…

Process for Recovery of Formic Acid
US 08530695 B2, Sept. 10, 2013, Preparation by degradation of carbohydrates, Pekka Oinas et al. / Kemira Oyj (Helsinki, FI)
A method for separating and recovering concentrated formic acid from an aqueous…

5-Aminolevulinic Acid Salt, Process for Producing the Same and Use Thereof
US 08471061 B2, June 25, 2013, Oxy, aldehyde, or ketone, Tohru Tanaka et al. / Cosmo Oil Co., Ltd. (Tokyo, JP)
A process for producing a 5-aminolevulinic acid sulfonate salt represented by…

Method of Purifying Lactic Acid by Crystallization
US 08471062 B2, June 25, 2013, Purification or recovery per se, Pierre-Antoine Mariage et al. / Galactic S.A. (Escanaffles, BE)
Method for purifying lactic acid, in order to obtain crystals having a specific…

Conformationally Constrained Carboxylic Acid Derivatives Useful for Treating Metabolic Disorders
US 08450522 B2, May 28, 2013, Aromatic, Vatee Pattaropong et al. / Amgen Inc. (Thousand Oaks, US)
A compound of formula I or formula III:…

Method for Production of Acrylic Acid
US 08461380 B2, June 11, 2013, Producing unsaturated acid, Takanori Aoki et al. / Showa Denko K.K. (Tokyo, JP)
A method of producing acrylic acid comprising:…

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