Featured patents

Oxidation Process to Produce a Crude And/Or Purified Carboxylic Acid Product
US 08791277 B2, July 29, 2014, Plural -C(=X)X- groups bonded directly to the hetero ring, Mesfin Ejerssa Janka et al. / Eastman Chemical Company (Kingsport, US)
A process for producing a carboxylic acid composition, said process comprising:…

Glycol Compound Having Dioxane Structure and Method for Producing the Same
US 08859787 B2, Oct. 14, 2014, Chalcogen attached indirectly to the hetero ring by nonionic bonding, Takuya Minezaki et al. / Mitsubishi Gas Chemical Company, Inc. (Tokyo, JP)
A compound represented by Formula (2):…

Polymorphic Forms of Warfarin Potassium and Preparations Thereof
US 08765976 B2, July 1, 2014, Benzene ring and the lactone ring bonded directly to the same acyclic carbon, Keshava K. S. Murthy et al. / Apotex Pharmachem Inc. (Brantford, CA)
APO-I polymorphic form of Warfarin potassium having a powder X-ray diffraction…

Process for Preparing Divinylarene Oxides
US 08716502 B2, May 6, 2014, Hydrogen peroxide utilized, David Jean et al. / Dow Global Technologies LLC (Midland, US)
A process for manufacturing at least one divinylarene oxide comprising the steps…

Organoboron Compound and Method for Manufacturing the Same
US 08674117 B2, March 18, 2014, Boron or silicon containing, Hiroki Suzuki et al. / Semiconductor Energy Laboratory Co., Ltd. JP
An organoboron compound represented by a general formula (G1):…

Orthoester Derivatives of Crown Ethers as Carriers for Pharmaceutical and Diagnostic Compositions
US 08624044 B2, Jan. 7, 2014, Three or more ring oxygens in the hetero ring, Sylvie Tchertchian et al. / Arisgen SA (Plan-les-Ouates, CH)
The crown ether of any one of the preceding claims, wherein said crown ether…

Method for Manufacturing Neuraminic Acid Derivatives
US 08575370 B2, Nov. 5, 2013, Plural hetero rings, Kazuhiro Umeo et al. / Daiichi Sankyo Company, Limited (Tokyo, JP)
A method for manufacturing a compound represented by the following formula…

Process for the Preparation of (3R,3aS,6aR)-Hexahydrofuro [2,3-B] Furan-3-Yl (1S,2R)-3-[[(4-Aminophenyl) Sulfonyl] (Isobutyl) Amino]-1-Benzyl-2-Hydroxypropylcarbamate
US 08580981 B2, Nov. 12, 2013, Plural ring oxygens in the bicyclo ring system, Wim Albert Alex Aelterman et al. / Janssen R&D Ireland (Little Island, Co, Cork, IE)
A process for the preparation of darunavir of formula (A) or the ethanolate…

Process for the Preparation of Strontium Ranelate
US 08569514 B1, Oct. 29, 2013, Cyano bonded directly to the hetero ring, Murali Krishna Prasad Divi et al. / Divi's Laboratories, Ltd. IN
A process for the preparation of strontium ranelate having less than 3% moisture…

Process and Intermediates for the Synthesis of 1,2-Substituted 3,4-Dioxo-1-Cyclobutene Compounds
US 08519168 B2, Aug. 27, 2013, Having -C(=X)-, wherein X is chalcogen, attached indirectly to the hetero ring by nonionic bonding, Jianguo Yin et al. / Merck Sharp & Dohme Corp. (Rahway, US)
A process for making the compounds of Formula A,…

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