Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
11/1992
11/29/1992CA2069651A1 Stabilization of dichlorotrifluoroethane-containing mixtures
11/25/1992EP0515258A1 Process for the preparation of perfluoroalkyl bromides
11/25/1992EP0515027A2 Process for preventing fouling in the production of ethylene dichloride
11/25/1992EP0514932A2 Fluorination catalyst and process for fluorinating halogenated hydrocarbon
11/25/1992EP0514920A2 Process for preparing chlorotrifluoroethylene
11/25/1992EP0514683A1 Process for the preparation of alkyl-, alkenyl and alkinylchlorides
11/25/1992CN1066441A Process for manufacture of pentafluoroethane
11/25/1992CN1066440A Cyclopentadiene type compounds and method of making
11/24/1992US5166453 Reacting zinc and iodide compound in acetic acid solution; separation
11/24/1992US5166120 Cylindrically formed catalyst for the oxychlorination of ethylene
11/19/1992EP0513823A2 Method for the production of pentafluoroethane (R125)
11/19/1992EP0513783A2 Method for the removal of contaminants from perfluorinated alkyl bromides or alkylene dibromides
11/18/1992CN1066266A Phosphosulfonate herbicides
11/18/1992CN1066262A P-dichloco-benzene and prepn. method
11/18/1992CN1019109B Diphenyl ether derivatives pesticide compound
11/18/1992CN1019108B Process for catalyzed hydrofluorination of halogenated alkanes
11/18/1992CN1019107B Gas-phase fluorination process
11/18/1992CN1019106B Gas-phase fluorination process
11/17/1992WO1992020640A1 Process for separating pentafluoroethane from a mixture of halogenated hydrocarbons containing chloropentafluoroethane
11/17/1992US5164114 Liquid crystal
11/17/1992CA2103279A1 Process for separating pentafluoroethane from a mixture of halogenated hydrocarbons containing chloropentafluoroethane
11/17/1992CA1310336C Gas-phase fluorination process
11/17/1992CA1310335C Gas-phase fluorination process
11/12/1992WO1992019576A1 Process for the manufacture of pentafluoroethane
11/11/1992EP0512715A2 Verfahren zur Herstellung einer in 3-Stellung fluorierten aromatischen Verbindung
11/11/1992EP0512554A2 Cyclopetadiene type compounds and method for making
11/11/1992EP0512502A2 Process for removal of olefinic impurities from 1,1,1,2,3,3,3-heptafluoropropane
11/11/1992EP0512155A2 Process for separation of mixtures of vinylidene chloride and 1,1-dichloro-1-fluoroethane
11/11/1992EP0307457B1 Improved vapor phase bromination of aromatic compounds
11/11/1992CN1019009B Process for separation of hf via azeotropic distillation
11/11/1992CN1019008B Process for separation of hf via phase separation and distillation
11/11/1992CA2052579A1 Solvent extraction of vdc from i-141b
11/10/1992US5162594 Process for production of polyfluoroolefins
11/10/1992US5162577 Process for lithiation of 1,3-bis(trifluoromethyl)benzene
11/10/1992CA1310022C Process for the manufacture of 1,1,1- trifluorodichloroethane and 1,1,1,2- tetrafluorochloroethane
11/10/1992CA1310018C Process for cleaving aliphatic ether compounds
11/04/1992EP0511826A2 Phosphosulfonate herbicides
11/04/1992EP0511612A2 Method for the purification of chlorofluorohydrocarbons
11/03/1992US5160585 Separation of tetrachloroethylene from a butyl alcohol by extractive distillation
11/03/1992US5160499 Removal of 2-chloro-1,1-difluoroethylene by contact with strontium exchanged zeolite
11/03/1992CA1309730C Process for chlorine elimination
11/03/1992CA1309729C Liquid phase isomerization of iodoaromatic compounds
10/1992
10/30/1992CA2066932A1 Phosphousulfonate herbicides
10/29/1992WO1992018242A1 Novel catalyst and process for the manufacture of chlorofluorocarbons, hydrochlorofluorocarbons and hydrofluorocarbons
10/28/1992EP0469113A4 Preparation of 4-bromo-o-xylene
10/28/1992CN1065653A Hydrogenolysis of halocabon mixtures
10/28/1992CN1018823B Prepn. of fluoroxy trifluoro methane by catalytic method
10/28/1992CA2067078A1 Process for the purification of chlorofluorohydrocarbons
10/27/1992US5159126 Catalytic reaction of vinylidene chloride and hydrogen fluoride in liquid phase
10/27/1992US5159118 Chemical intermediate; controlling plant diseases, plant growth regulators, fungicides
10/27/1992US5159038 Flexibility, tensile strength
10/27/1992US5159037 Crosslinking
10/27/1992US5159036 Dimerizing perfluorovinyl groups, heating, crosslinking
10/24/1992WO1992018447A1 Process for producing hydrochloromethanes
10/21/1992EP0509885A2 Process for separating hydrogen fluoride from its mixtures with 1,1,1-trifluoro-2-chloroethane
10/21/1992EP0509449A2 Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane and process for purification of 1,1,1-trifluoro-2-chloroethane
10/20/1992US5157174 Ternary molybdenum chalcogenide oxychlorination catalysts
10/20/1992US5157173 Process for 4-chlorobenzotrichloride
10/20/1992US5157172 Process for the preparation of 1,1,1-trifluoro-2-chloroethane
10/20/1992US5157171 Treatment of monofluorodichloromethane with tetrafluoro-ethylene in the presence of a fluoride modified alumina isomerization catalyst
10/20/1992US5157170 Using ruthenium or a ruthenium compound as catalyst; transferring a halogen from the polyhalogenated aromatic to the mono
10/20/1992US5157169 Preparation of 3-halo-halobenzenes and 1-halo-3,5-dihalobenzenes
10/20/1992CA1309113C Selective liquid phase disproportionation catalysts for iodoaromatics
10/18/1992CA2065952A1 Process for separating hydrogen fluoride from its mixtures with 2-chloro-1,1,1-trifluoroethane
10/15/1992WO1992017559A1 Stabilized dichlorotrifluoroethane refrigeration compositions
10/14/1992EP0508660A1 Production of difluoromethane
10/14/1992EP0508631A1 Production of hydrofluorocarbons
10/14/1992EP0508630A1 Purification process
10/14/1992EP0508449A1 Use of nitromethane, nitroethane and 1-nitropropane for inhibiting the degradation of hydrochlorofluorocarbons utilized as foaming agents in the preparation of foamed polyurethanes and polyisocyanurates
10/14/1992CN1065261A Process for preparing chlorotrifluoroethylene and trifluoroethylene starting with 1, 1, 2-trichloro-1, 2, 2-trifluoroethane and catalytic composition used in this process
10/14/1992CN1018638B Process for preparing hexafluoropropene
10/14/1992CN1018637B Process and catalyst of oxycholration, application for preparing 1, 2-dichloroethane
10/13/1992US5155082 Fluorinated aluminum chromium oxide
10/13/1992US5154853 Alkylating branches of multi-branch core alkyl compound with alkyne building lbock having ether side chains; reducing; deprotecting; functionalizing
10/13/1992CA1308743C Gas-phase fluorination process
10/13/1992CA1308742C Process for the preparation of (2,2)-paracyclophane and derivatives thereof
10/12/1992CA2065885A1 Method for inhibiting the degradation of hydrochlorofluorocarbons utilized as foaming agents in the preparation of foamed polyurethanes and polyisocyanurates
10/12/1992CA2065108A1 Chemical process
10/10/1992WO1992018446A1 Hydrogenolysis of halocarbon mixtures
10/10/1992CA2107802A1 Hydrogenolysis of halocarbon mixtures
10/09/1992CA2065107A1 Production of hydrofluorocarbons
10/07/1992EP0507458A2 Process for the purification of 1,1,1,2-tetrafluoroethane
10/07/1992CN1018545B Novel method for oxyiodination product partial purification
10/06/1992US5153327 7-Oxabicycloheptyl substituted heterocyclic amide or ester prostaglandin analogs useful in the treatment of thrombotic and vasospastic disease
10/06/1992US5152876 Separation of methylene chloride from the lower alcohols by extractive distillation
10/06/1992US5152875 Separation of m- and p-dichlorobenzene
10/06/1992CA1308421C Process for preparing iodinated aromatic compounds
10/05/1992CA2063697A1 Purification process
10/03/1992WO1992013041A1 Inhibiting popcorn polymer formation with esters of inorganic acids
10/01/1992WO1992016482A1 Process for the manufacture of 2-chloro-1,1,1,2-tetrafluoroethane and pentafluoroethane
10/01/1992WO1992016481A1 Process for the manufacture of 1,1,1,2-tetrafluoroethane
10/01/1992WO1992016480A1 Process for the manufacture of 2-chloro-1,1,1-trifluoroethane
10/01/1992WO1992016479A1 Process for the manufacture of 2,2-dichloro-1,1,1-trifluoroethane, 2-chloro-1,1,1,2-tetrafluoroethane and pentafluoroethane
10/01/1992DE4127450A1 New liq. crystal and cyclohexyl-cyclohexyl di:fluoro:benzene and phenol cpds.
10/01/1992DE4105743C1 Benzyl:aryl:sulphone(s) useful as LCD - are produced by reacting salt of aryl:sulphinic acid with corresp. benzyl halide
09/1992
09/30/1992EP0506525A1 Process for the preparation of pentafluoroethane by hydrogenolysis of chloropentafluoroethane
09/30/1992EP0506374A1 Process for purification of ethylene compound having fluorine-containing organic group
09/30/1992EP0506200A1 A process for the preparation of o-chlorofluorobenzene
09/30/1992EP0506199A2 A process for the preparation of 2,6-difluoroaniline from 1,2,3-trichlorobenzene
09/30/1992EP0505874A1 Process for the preparation of para-dichlorobenzene