Featured patents

Azeotropic or Azeotrope-Like Composition and Process for Producing 2,3,3,3-Tetrafluoropropene
US 08853473 B2, Oct. 7, 2014, Including distillation, Kazuhiro Takahashi / Daikin Industries, Ltd. (Osaka, JP)
A process for producing 2,3,3,3-tetrafluoropropene, comprising distilling…

Method of Hydrodechlorination to Produce Dihydrofluorinated Olefins
US RE045076 E1, Aug. 12, 2014, Replacing halogen with hydrogen, Ekaterina N Swearingen et al. / E I du Pont de Nemours and Company (Wilmington, US)
A process for the preparation of fluorine-containing olefins comprising…

Integrated Process for the Manufacture of Fluorinated Olefins
US 08710282 B2, April 29, 2014, Alkali or alkaline earth metal containing catalyst, Hsueh Sung Tung et al. / Honeywell International Inc. (Morristown, US)
A method for producing at least one fluorinated olefin comprising:…

Process to Manufacture 2-Chloro-1,1,1,2-Tetrafluoropropane (HCFC-244bb)
US 08664455 B2, March 4, 2014, Catalyst utilized, Stephen A. Cottrell et al. / Honeywell International Inc. (Morristown, US)
A process for the production of 2-chloro-1,1,1,2-tetrafluoropropane…

Process for the Production of Chlorinated and Fluorinated Alkanes and Alkenes in the Presence of a Catalyst
US 08633340 B2, Jan. 21, 2014, Metal oxide containing catalyst, Claire McGuiness et al. / Mexichem Amanco Holding S.A. de C.V. (Tlalnepantal, MM)
A process for preparing 1,1,1-trifluoro-2,3-dichloropropane (243 db),…

Process for the Purification of Hydrofluoroolefins
US 08609909 B2, Dec. 17, 2013, Purification or recovery, Rajiv Ratna Singh et al. / Honeywell International Inc. (Morristown, US)
A process for purifying a hydrofluoroolefin product stream comprising:…

Process for the Preparation of 2,3,3,3-Tetrafluoropropene
US 08552228 B2, Oct. 8, 2013, Metal oxide containing catalyst, Andrew P. Sharratt et al. / Mexichem Amanco Holdings S.A. de C.V. (Tlalnepantla, MX)
A process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising:…

Method for Utilization of the Reaction Heat That Occurs in the Production Process of 1,2-Dichloroethane From Ethylene in a Fluidized Bed Reactor
US 08552229 B2, Oct. 8, 2013, Processes of preparing, purifying, or recovering unsaturated compound, Walter Kern et al. / ThyssenKrupp Uhde GmbH (Dortmund, DE)
Method for utilization of the reaction heat that occurs in the production…

Processes for Selective Dehydrohalogenation of Halogenated Alkanes
US 08530708 B2, Sept. 10, 2013, Catalyst utilized, Sudip Mukhopadhyay et al. / Honeywell International Inc. (Morristown, US)
A process for the production of fluorinated olefins comprising exposing, in a gas…

Azeotropic Compositions of 1,1,3,3-Tetrachloro-1-Fluoropropane and Hydrogen Fluoride
US 08519200 B1, Aug. 27, 2013, By reacting with hydrogen fluoride, Konstantin A. Pokrovski et al. / Honeywell International Inc. (Morristown, US)
An azeotropic composition consisting essentially of effective amounts…

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