Patents
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Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
12/1999
12/09/1999WO1999062849A1 Process for the production of hexafluoropropylene from cc1f2cc1fcf3 and azeotropes of cc1f2cc1fcf3 with hf
12/09/1999WO1999062848A1 Method for producing alkyl chloride, alkenyl chloride and alkinyl chloride
12/09/1999DE19824929A1 Verfahren zur Herstellung von Alkyl-, Alkenyl- und Alkinylchloriden A process for the production of alkyl, alkenyl and alkynyl chlorides
12/08/1999EP0810985B1 Oxychlorination of ethylene in two stage fixed-bed reactor
11/1999
11/30/1999US5994600 Method for preparing α,ω-bromochloroalkanes
11/25/1999WO1999059951A1 Synthesis and purification of 3,3-dimethylbutyraldehyde via oxidation of 1-chloro-3, 3-dimethylbutane with dimethyl sulfoxide
11/24/1999EP0958266A1 Process for the manufacture of halocarbons
11/23/1999US5990364 Heat treatment in the presence of hydrogen without an added catalyst
11/23/1999US5989456 Mixture comprising dichloropentafluoropropane and (perfluorobutyl) methyl ether; antisoilants
11/18/1999WO1999058484A1 Azeotrope-like composition containing perfluorobutyl methyl ether
11/18/1999WO1999058481A1 Liquid-fluorination system and method
11/18/1999WO1999051556A3 Processes for the purification and use of 2,2-dichloro-1,1,1,3,3,3-hexafluoropropane and azeotropes thereof with hf
11/18/1999CA2331517A1 Liquid-fluorination system and method
11/17/1999CN1046495C Oxychlorination and catalyst, their use for production of 1,2-dichloroethane
11/16/1999US5986152 Catalysts of copper, alkali metal with cerite rare earths, promethium, zirconium dioxide and metal oxides on alumina for oxychlorination of ethylene to form 1,2-dichloroethane
11/11/1999WO1999057088A1 Method for preparing decomposition products from the thermal decomposition of 1,2-dichloroethane
11/11/1999CA2329662A1 Method for preparing decomposition products from the thermal decomposition of 1,2-dichloroethane
11/10/1999EP0955088A1 Catalyst for the fluorination of halogenated organic compounds
11/10/1999CN1234788A Process for purification of 1,1-difluoroethane
11/09/1999US5981815 Method for preparing α, ω-bromochloroalkanes
11/09/1999US5981813 Fluorination process of halogenated organic compounds
11/03/1999EP0743934B1 Process for separating pentafluoroethane from a mixture comprising halogenated hydrocarbons and chloropentafluoroethane
11/03/1999CN1234015A Process for producing difluoromethane
10/1999
10/27/1999CN1045983C Refrigerant composition and application thereof
10/27/1999CN1045952C Method for producing di (fluoro-methyl) ether and difluoromethane
10/21/1999WO1999052844A1 Process for the preparation of 1-chloro-1,1,3,3,3-pentafluoropropane
10/20/1999EP0842136B1 Method for preparing alpha,omega-bromochloroalkanes
10/20/1999CN1045727C Fluidized bed oxygen method hydrocarbons oxychlorination reaction catalyst and preparation method thereof
10/19/1999US5969199 Process for the addition of HF to halogenated alkenes
10/14/1999WO1999051556A2 Processes for the purification and use of 2,2-dichloro-1,1,1,3,3,3-hexafluoropropane and azeotropes thereof with hf
10/14/1999WO1999051555A1 Processes for the purification and use of 2-chloro-1,1,1,2,3,3,3-heptafluoropropane and azeotropes thereof with hf
10/14/1999WO1999051553A1 Process for the production of fluorocarbons
10/13/1999EP0842135B1 Method for preparing alpha, omega-bromochloroalkanes
10/13/1999EP0773206B1 Process for producing 1,1,1,2,3,3,3-heptafluoropropane
10/12/1999US5965511 Cleaning or drying compositions based on 1,1,1,2,3,4,4,5,5,5-decafluoropentane
10/12/1999CA2022989C Azeotropic or azeotropic-like composition of hydrochlorofluoropropane
10/07/1999WO1999050209A1 Method for producing fluorinated saturated hydrocarbon
10/07/1999WO1999050208A1 Purification of hydrofluorocarbons
10/06/1999EP0946630A1 Mixtures containing 1,1,1,3,3 pentafluorobutane
10/05/1999US5962754 Method for the preparation of 3-bromo-1,1,1-trifluoropropane
10/05/1999US5962753 Process for the manufacture of pentafluoroethane
09/1999
09/30/1999WO1999048850A1 Azeotrope-like compositions of difluoromethane and chlorine
09/30/1999WO1999048849A1 Process for producing 1,1,1,3,3-pentafluoropropane
09/30/1999WO1999048606A1 Supported catalyst containing pseudo-boehmite and gamma-al2o3, production of same and its use for producing 1,2-dichloroethane
09/30/1999DE19812468A1 Verfahren zur Herstellung von 1,2-Dichlorethan A process for the preparation of 1,2-dichloroethane
09/29/1999CN1045287C Process and device for preparing 1,2-dichlorethane by direct chlorination
09/28/1999US5959166 Method for concurrently producing different hydrofluoro carbons
09/28/1999US5959165 Method and composition for inhibiting decomposition of 1,1,1,2,3,3-hexafluoropropane and 1,1,1,3,3-pentafluoropropane
09/28/1999CA2020853C Process for preparing 1,1,1,2-tetrafluoroethane
09/22/1999CN1045200C Process for preparing 1,1,1,2-tetrafluoroethane
09/21/1999US5955637 Azeotrope or azeotrope-like composition of hydrogen fluoride and chlorofluoromethane or dichloromethane
09/21/1999US5954861 Process for recovery of methyl chloride
09/15/1999EP0773916B1 Process for the manufacture of 1,1,1,3,3,3-hexafluoropropane
09/15/1999CN1228754A Process for producing difluoromethane
09/14/1999US5951830 Process for purification of hydrochlorofluoroethanes
09/10/1999WO1999044973A1 Processes for purifying perfluorocyclobutane
09/08/1999EP0940465A1 Lubricant for improved gliding properties of skis
09/08/1999CN1228074A Method for purifying 1,1,1,3,3-pentafluoropropane
09/07/1999US5948213 Processes for the manufacture and purification of 1,1,2,2,3,3,4,4-octafluorobutane and by-products, and azeotropes with HF
09/03/1999CA2263825A1 Lubricant for improved gliding properties of skis and its application in skiing
09/02/1999WO1999043635A1 Hydrofluorination of chlorinated hydrocarbons
09/02/1999WO1999026906A3 Method of producing hydrofluorocarbons
09/01/1999EP0939071A1 Method for producing fluorinated propane
09/01/1999EP0938461A1 Liquid phase catalytic fluorination of hydrochlorocarbon and hydrochlorofluorocarbon
09/01/1999CN1227535A Removal of water from process stream
08/1999
08/31/1999US5945573 Process for the manufacture of 1,1,1,3,3-pentafluoropropane
08/25/1999CN1044803C 1,1,1-trifluoroethane preparation by gas phase fluorization of 1,1,1-dichlorofluoroethane
08/25/1999CN1044802C 1,1,1-trifluoroethane preparation by liquid phase fluorization of 1,1,1-dichlorofluoroethane
08/25/1999CN1044788C Manufacture of fluorinating catalyst and application thereof
08/24/1999US5942649 Method for monomer recovery
08/24/1999CA2194994C Process for producing 1,1,1,2,3,3,3-heptafluoropropane
08/18/1999EP0935593A1 Process for the purification of 1,1-difluoroethane
08/18/1999EP0935592A1 Manufacture of hexafluoroethane
08/18/1999CN1044728C Composition based on stabilized methylene chloride which can be used for degreasing metals
08/12/1999WO1999040053A1 Production of heptafluoropropane
08/11/1999EP0804395A4 Phase-transfer catalysis
08/04/1999CN1224707A Uncatalyzed liquid phase fluorination of 1230 za
08/03/1999USH1800 Method of oxychlorination utilizing split feeds
08/03/1999US5932776 Continuous process of fluorination of perchloroethylene or pentachloroethane
08/03/1999US5932775 Process for stabilization of pentafluoroethane
08/03/1999CA2036220C Process for the preparation of 1,1,1,3,3,3-hexafluoropropane and 2-chloro-1,1,1,3,3,3-hexafluoropropane
07/1999
07/28/1999EP0931784A1 Process for producing difluoromethane
07/28/1999EP0931587A1 Catalyst, process for its preparation, and its use in the synthesis of 1,2-dichloroethane
07/28/1999EP0931043A1 Vapor phase process for making 1,1,1,3,3-pentafluoropropane and 1-chloro-3,3,3-trifluoropropene
07/28/1999EP0686137B1 Process for the purification of pentalfuoroethane in a binary azeotrope of pentafluoroethane and chloropentafluoroethane
07/28/1999CN1224410A Process for preparing 1,1,1,3,3-pentafluoropropane
07/28/1999CN1224409A Process for preparing 1,2-dichloroethane by direct chlorination
07/28/1999CN1223993A Processes for producing and purifying 1,1-difluoroethane, and product thus obtained
07/27/1999US5929293 Process for the preparation of fluoroolefins
07/27/1999US5928479 Process for the purification of pentafluoroethane
07/27/1999US5928431 Hot cleaning and degreasing a metal component with a solution containing methylene chloride, stabilizing amount of 1,2-epoxyalkane and an acetal and contains reduced amount of nitroalkane; storage stability
07/21/1999CN1044229C Process for the purification of 1,1,1,2-tetrafluoroethane
07/21/1999CN1044228C Continuous process for purifying perfluoro-compound compositions
07/21/1999CN1044227C Production of difluoromethane
07/15/1999WO1999034918A1 Catalyst, process for its preparation, and its use in the synthesis of 1,2-dichloroethane
07/15/1999CA2317580A1 Catalyst, process for its preparation, and its use in the synthesis of 1,2-dichloroethane
07/14/1999CN1222501A 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents
07/07/1999EP0592555B2 Azeotropic or azeotrope-like compositions of pentafluoroethane and propane or isobutane
07/07/1999CN1221722A Process for preparing 1,1,1,3,3-pentafluoropropane
07/07/1999CN1221720A Prepn. method of unsaturated bond addition compound containing fluorine or with adsorption electronic group
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