Featured patents

Process for the Purification of Pharmaceutically Acceptable Salts
US 08871955 B2, Oct. 28, 2014, Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding, Hans Petersen et al. / H. Lundbeck A/S (Valby, DK)
A process for the purification of a crude mixture of a pharmaceutically…

Lignosulfonate Compounds for Solid Ink Applications
US 08703981 B2, April 22, 2014, Plural ring oxygens in the bicyclo ring system, Biby Esther Abraham et al. / Xerox Corporation (Norwalk, US)
A lignosulfonate compound for phase change ink of the formula:…

Systems and Methods for Producing Fuels and Fuel Precursors From Carbohydrates
US 08697893 B2, April 15, 2014, Additional chalcogen attached indirectly to the hetero ring by nonionic bonding, Clayton V. McNeff et al. / Sartec Corporation (Anoka, US)
A method of producing 5-hydroxymethylfurfural (HMF), comprising:…

Process for the Production of Benzofurans
US 08674121 B2, March 18, 2014, Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding, Volker Kraft et al. / SANOFI (Paris, FR)
A compound of formula VII,…

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…

Method for Manufacturing Trimellitic Anhydride Aryl Ester
US 08563751 B2, Oct. 22, 2013, Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system, Kouji Muragaki et al. / Honshu Chemical Industry Co., Ltd. (Tokyo, JP)
A method for manufacturing a trimellitic anhydride aryl ester by causing…

Compound, Organic Semiconductor Material, and Semiconductor Device
US 08541602 B2, Sept. 24, 2013, Polycyclo ring system having the hetero ring as one of the cyclos, Kenji Nakamura et al. / DENSO CORPORATION (Kariya, JP)
A compound represented by the following formula (1):…

Method for Producing Cis-Rose Oxide
US 08546591 B2, Oct. 1, 2013, The hetero ring is six-membered, Ekkehard Schwab et al. / BASF SE (Ludwigshafen, DE)
A process for the preparation…

Highly Pure Pentamycin
US 08519162 B2, Aug. 27, 2013, Additional chalcogen attached directly or indirectly to the lactone ring by nonionic bonding, Karl Reuter et al. / Biolotus Biotechnology AG (Basel, CH)
A method of chemically purifying pentamycin to a chemical purity exceeding 95%…

Process for Producing Propylene Oxide
US 08481764 B2, July 9, 2013, Heavy metal containing catalyst utilized, Junpei Tsuji et al. / Sumitomo Chemical Company, Limited (Tokyo, JP)
A process for producing propylene oxide, which comprises supplying an organic…

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