Featured patents

Process for Preparation of Methyl Methacrylate by Esterification During Oxidation
US 08829235 B2, Sept. 9, 2014, Producing unsaturated acid, Torsten Balduf / Evonk Röhm GmbH (Darmstadt, DE)
A process comprising:…

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:…

Therapeutic Formulations Based on Asiatic Acid and Selected Salts Thereof
US 08742167 B2, June 3, 2014, Alicyclic acids having unsaturation, Michael J. Newman et al. / Shanghai Institute of Pharmaceutical Industry (Shanghai, CN)
A trometamol salt of asiatic…

Method for Producing Aliphatic Carboxylic Acids From Aldehydes by Microreaction Technology
US 08664434 B2, March 4, 2014, Of aldehyde, Tonia Weber et al. / Oxea GmbH (Oberhausen, DE)
A process for preparing aliphatic carboxylic acids having 3 to 10 carbon atoms by…

Method for Producing (Meth) Acrylic Acid
US 08637701 B2, Jan. 28, 2014, Purification or recovery per se, Masatsugu Kitaura / Nippon Shokubai Co., Ltd. (Osaka, JP)
A method for producing (meth)acrylic acid,…

Process for the Manufacture of Acetic Acid
US 08637699 B2, Jan. 28, 2014, Of alcohol or alcoholate, Brian Salisbury et al. / Lyondell Chemical Technology, L.P. (Houston, US)
A process for producing acetic acid which comprises:…

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…

Process for Production of Carbonyl Fluoride
US 08513458 B2, Aug. 20, 2013, Processes for forming the carbonyl group, Heng-dao Quan et al. / Nat'l Institute of Advanced Industrial Science and Technology (Tokyo, JP)
A method for producing carbonyl fluoride, comprising: introducing…

Treprostinil Production
US 08481782 B2, July 9, 2013, Polycyclo ring system, David A. Walsh et al. / United Therapeutics Corporation (Silver Spring, US)
A method of preparing a compound represented by the following structural…

Mannich Condensation Products Useful as Sequestering Agents
US 08455681 B2, June 4, 2013, Oxy, James J. Harrison et al. / Chevron Oronite Company LLC (San Ramon, US)
A Mannich condensation product prepared by the Mannich condensation of:…

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