Featured patents

Process for the Preparation of Darunavir and Darunavir Intermediates
US 08829208 B2, Sept. 9, 2014, Plural ring oxygens in the bicyclo ring system, Michael Mizhiritskii et al. / Mapi Pharma Ltd. (Ness Ziona, IL)
A process for the preparation of the compound of formula (I):…

Process for the Preparation and Isolation of 2-Substituted Tetrahydropyranols
US 08791276 B2, July 29, 2014, Hydroxy or halogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal), Karl Beck et al. / BASF SE (Ludwigshafen, DE)
A process for the preparation of 2-substituted 4-hydroxy-4-methyltetrahydropyrans…

Process for Preparation of Catalyst Carrier and Its Use in Catalyst Preparation
US 08791280 B2, July 29, 2014, Heavy metal containing catalyst utilized, Nabil Rizkalla / SD Lizenzverwertungsgesellschaft mbH & Co. KG (Munich, DE)
A composition for producing an alpha alumina catalyst support, the composition…

Process for the Preparation of Alditol Acetals
US 08871954 B2, Oct. 28, 2014, Three or more ring oxygens in the bicyclo ring system, Pavankumar Aduri et al. / Reliance Industries Limited (Mumbai, IN)
A process for preparation of acetal derivatives particularly, DMDBS (1,3:2,4-bis…

2-Oxo-1, 3-Dioxolane-4-Carboxylic Acid and Derivatives Thereof, Their Preparation and Use
US 08742137 B2, June 3, 2014, The hetero ring is five-membered, Jochen Mezger et al. / Construction Research & Technology GmbH (Trostberg, DE)
A 2-Oxo-1,3-dioxolane-4-carboxylic acid ester according to formula (V),…

Preparation of 2,2-Bis (Fluoroalkyl) Oxirane and Preparation of Photoacid Generator Therefrom
US 08686166 B2, April 1, 2014, Oxirane ring formed, Youichi Ohsawa et al. / Shin-Etsu Chemical Co., Ltd. (Tokyo, JP)
A method for preparing a 2,2-bis(fluoroalkyl)oxirane of formula (A), comprising:…

Process for the Preparation of Dronedarone
US 08658809 B2, Feb. 25, 2014, Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring, Antal Friesz et al. / SANOFI (Paris, FR)
A process for the preparation…

Process for Producing Epoxy Compound
US 08664414 B2, March 4, 2014, Hydrogen peroxide utilized, Katsura Horikoshi et al. / Showa Denko K.K. (Tokyo, JP)
A process for producing an epoxy compound, comprising epoxidizing a carbon-carbon…

Substituted Hydroxamic Acids and Uses Thereof
US 08624040 B2, Jan. 7, 2014, The hetero ring is five-membered, He Xu et al. / Millennium Pharmaceuticals, Inc. (Cambridge, US)
A compound of formula (I):…

Process for Producing Ethylene Oxide
US 08569525 B2, Oct. 29, 2013, Epoxidation at site of ethylenic unsaturation, Leslie Andrew Chewter et al. / Shell Oil Company (Houston, US)
A process for producing ethylene oxide, comprising:…

Patentorg has 431 documents under Carbon Compounds: Chalcogen or Nitrogen Are the Only Ring Hetero Atoms Patents.

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