Featured patents

Process for Producing 2,3,3,3-Tetrafluoropropene
US 08766020 B2, July 1, 2014, By dehalogenation or dehydrohalogenation of adjacent carbon atoms in a compound, Ian Shankland et al. / Honeywell International Inc. (Morristown, US)
A method for producing 2,3,3,3-tetrafluoropropene (1234yf) comprising:…

Separation of R-1233 From Hydrogen Fluoride
US 08735636 B2, May 27, 2014, Including distillation, Benjamin Bin Chen et al. / Arkema Inc. (King of Prussia, US)
A method for producing monochioro-trifluoropropene from an azeotrope or azeotrope…

Fluoroalkyl Iodide and Its Production Process
US 08729321 B2, May 20, 2014, Increasing the number of carbon atoms in the compound, Yu{grave over (s)}uke Sugahara et al. / Asahi Glass Company, Limited (Tokyo, JP)
A process for producing a C 6 F 13 I fluoroalkyl iodide…

Method and Device for Synthesizing Radioactive Methyl Iodide Tracer
US 08692039 B2, April 8, 2014, Preparing by halogen exchange, Tae Won Hwang et al. / Korea Hydro & Nuclear Power Co., Ltd. (Gyeongsangbuk-do, KR)
A device for preparing a radioactive methyl iodide…

Process for the Preparation of Trifluorinated and Tetrafluorinated Compounds
US 08680346 B2, March 25, 2014, Halogenation of acyclic carbon, Laurent Wendlinger et al. / Arkema France (Colombes, FR)
A process for the preparation of 2,3-dichloro-1,1,1-trifluoropropane, comprising…

Process for the Preparation of 2,3,3,3,-Tetrafluoropropene (R-1234yf)
US 08697923 B2, April 15, 2014, Metal oxide containing catalyst, Andrew P. Sharratt et al. / Mexichem Amanco Holding S.A. de C.V. (Tlalnepantla, MX)
A process for preparing 1234yf, the process comprising:…

Integrated Process to Co-Produce Trans-1-Chloro-3,3,3-Trifluoropropene, Trans-1,3,3,3-Tetrafluoropropene, and 1,1,1,3,3-Pentafluoropropane
US 08648221 B2, Feb. 11, 2014, Catalyst utilized, Daniel C. Merkel et al. / Honeywell International Inc. (Morristown, US)
An integrated process to co-produce trans-1-chloro-3,3,3-trifluoropropene…

Process for Preparing a Compound of Formula CF 3 CHFCH 2 X, Wherin X Is Cl or F, From 1243zf
US 08629307 B2, Jan. 14, 2014, Metal oxide containing catalyst, John W. Smith et al. / Mexichem Amanco S.A. de C.V. (Tlalnepantla, MX)
A process for preparing a compound of formula CF 3 CHFCH 2 X,…

Process for Preparing Iodinated Aromatic Compounds
US 08614362 B2, Dec. 24, 2013, Bonding halogen directly to benzene ring, Joong-ki Lee et al. / SK Chemicals Co., Ltd. KR
A process for preparing iodinated aromatic compounds, comprising:…

Methods of Removing Impurities From Alkyl Bromides During Distillation and Distillate Produced Therein
US 08492598 B2, July 23, 2013, Purification or recovery, Dru J. Manuel et al. / Albemarle Corporation (Baton Rouge, US)
A method of removing impurities from a composition comprising an alkyl bromide,…

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