Patents for C07B 61 - Other general methods (69,072)
05/1991
05/18/1991CA2044618A1 Method for the synthesis of .alpha.,.beta.-unsaturated ketones
05/18/1991CA2044603A1 Method for the preparation of .alpha.,.beta.-unsaturated ketones
05/17/1991CA2030107A1 Process for the production of 1-(aminomethyl)cyclohexane acetic acid
05/16/1991WO1991006574A1 A process for preparing peroxycarboxylic acids
05/16/1991WO1991006525A1 Process for the production of polybasic acid esters with recovery of boron trifluoride
05/16/1991WO1991006366A1 Supported catalyst, method for the preparation thereof, and use thereof for the dehydrogenation of hydrocarbons
05/15/1991EP0427603A1 Process for the preparation of fluorinated aromatic compounds and catalysts based on Lewis-acids
05/15/1991EP0427579A1 Mordenite type zeolithe and process for producing the same
05/15/1991EP0427472A2 Chromium halogenated coordination complexes for the oxidation of butane to methylethylketone
05/15/1991EP0427443A2 Process and structure wherein atoms are repositioned on a surface using a scanning tunnelling microscope
05/15/1991EP0427396A2 Process for producing optically active fluorine-containing 3-hydroxybutyric acid esters
05/15/1991EP0427287A1 Preparation process of indoles
05/15/1991CN1051356A Epoxidation process
05/15/1991CN1051351A Process for mfr. of 1,1-dichlorotetrafluoroethane
05/15/1991CN1051349A Fluorocarbon purification process
05/15/1991CN1051312A Oligomerization catalyst to alpha-olefins
05/15/1991CN1051310A Method for maintaining activity of zeolite catalysts
05/15/1991CA2029485A1 Synthesis of ethylidene bisformamide from vinyl acetate
05/14/1991US5015788 Process for the hydrogenation of acetylenic alcohols
05/14/1991US5015784 Isomerization catalysts of acids
05/14/1991US5015780 Catalytic dehalogenation of dihalo compound with hydrogen
05/14/1991US5015778 Oxidation of diaryl compounds with oxygen
05/14/1991US5015775 Reaction of an alkylsulfonic acid with an aromatic compound and a phosphorous reagent
05/14/1991US5015773 Reaction of a polyether with an amine in the presence of hydrogen
05/14/1991US5015761 Esters and alcohol derivatives of dimethyltricyclo(6.2.01.6)un decanes as perfumes
05/14/1991US5015758 Reaction of acyloxyadamantane with a receptor compound in a solvent and in the presence of sulfuric acid
05/14/1991US5015756 Ammoxidation of alkenes to form unsaturated nitriles
05/14/1991US5015752 Thiuram polysulfide
05/14/1991US5015751 Reaction of silicon with alkyl or aryl chlorides in the presence of a copper catalyst
05/14/1991US5015750 Sodium reduction of a methylaluminum chloride in fluoride presence
05/14/1991US5015296 Continuous epimerization of sugars, in particular D-arabinose to D-ribose
05/14/1991CA2029746A1 Process for the carbonylation of allylic butenols, and butenol esters
05/08/1991EP0426343A1 Process for manufacture of 1,1-dichlorotetrafluoroethane
05/08/1991EP0426290A2 Process for the production of detergent range alcohols and ketones
05/08/1991EP0425974A2 Process for the preparation and purification of 2-hydroxy-4-(2'-hydroxy-ethoxy)-phenylarylketones
05/08/1991EP0425930A2 Process for the preparation of symmetrical diarylacetylenes
05/08/1991EP0425920A2 Method for making octyloxy substituted diphenyl iodonium hexafluoro metalloid salts
05/08/1991EP0425887A2 Process for halogen-fluor exchange in organic compounds and catalysts therefor
05/08/1991EP0425806A1 Process for the preparation of 3-cyano-3,5,5'-trimethyl-1-cyclohexanone
05/08/1991EP0425712A1 Isomerization catalyst and method for the use thereof
05/08/1991EP0425666A1 Process for producing methacrylic acid and methacrolein
05/08/1991EP0425540A1 Catalyzed hydrofluorination process.
05/08/1991EP0425539A1 High temperature process for selective production of 3-methylpyridine
05/08/1991EP0425538A1 TaX5 CATALYZED HYDROFLUORINATION OF HALOGENATED ALKANES.
05/08/1991CN1051167A Halocarbon hydrogenolysis
05/08/1991CN1051130A Regeneration or activation of noble metal catalyst using fluorohalocarbons or fluorohalohydrocarbons
05/07/1991WO1991006528A1 N-(3',4'-dimethoxycinnamoyl)anthranilic acid
05/07/1991US5013854 Process for preparing acid halides
05/07/1991US5013835 Reacting 2-aminothiophenol with /-/-/2R,3S/-2,3-epoxy-3-/4-met hoxyphenyl/methylpropionate, cyclizing, both steps in presence of chlorobenzene
05/07/1991US5013754 Synthetic pyrethroid
05/07/1991US5013706 Chromium oxide, titanium oxide, vanadium oxide, selectivity to mono-olefins
05/07/1991US5013571 Methods for making tetrahydroisoalpha and hexahydroisoalpha acids
05/07/1991US5013537 Process for the synthesis of zeolites of the ferrisilicate type, products so obtained
05/07/1991US5013329 Conversion of light hydrocarbons to ether rich gasoline
05/07/1991CA2029328A1 Process for preparing fluorinated aromatic derivatives with a lewis acid catalyst
05/07/1991CA2028462A1 Chromium halogenated coordination complexes for the oxidation of butane to methylethylketone
05/07/1991CA1283929C Oligomerization of ethylene in methanol and water
05/07/1991CA1283899C Process for the preparation of a silver-containing catalyst
05/03/1991WO1991006524A1 PROCESS FOR PRODUCING 1,4-bis-(4-HYDROXYBENZOYL)BENZOL
05/03/1991CA2072084A1 Process for the preparation of 1,4-bis(4-hydroxybenzoyl) benzene
05/02/1991WO1991005777A1 Chiral sultams
05/02/1991WO1991005765A1 Process for preparing sulfonamide derivative of norbornane
05/02/1991EP0424965A1 Amine oxide process
05/02/1991EP0424900A2 Process for preparing catalysts for producing methacrylic acid
05/02/1991EP0424861A2 Process for the continuous preparation of esters of lower carboxylic acid with lower alcohols
05/02/1991EP0424847A1 The method for parallel-producing 2,5-dichlorotoluene and 2,6-dichlorotoluene
05/02/1991EP0424767A2 Decanol mixtures and mixtures of didecylesters obtained from them and their use as plastifiers
05/02/1991EP0424764A2 Process for the preparation of Bis- and Tris-(3-dimethylaminopropyl)amine
05/02/1991EP0424738A2 Process for the preparation of amines
05/02/1991EP0424616A2 Production of alkanesulfonic acids by oxidation of alkanethiols and dialkyl disulfides
05/02/1991EP0424531A1 Process for producing 1,1-dichloro-2,2,2-trifluoroethane
05/02/1991EP0424511A1 Integrated process for enhancing high octane ether production and olefin conversion in gasoline
05/02/1991EP0424466A1 Process for selective production of 3-methylpyridine.
05/02/1991EP0424460A1 Heterogeneous isoparaffin/olefin alkylation process.
05/02/1991EP0424445A1 Heterogeneous isoparaffin/olefin alkylation process.
05/02/1991EP0424393A1 Manufacture of alkylbenzenes.
05/02/1991DE3935861A1 Verfahren zur herstellung von fluorbenzolen und fluortoluolen Process for the preparation of fluorobenzenes and fluortoluolen
05/01/1991WO1991006526A1 Process and catalyst for production of diaryl carbonates
05/01/1991WO1991006519A1 Hydrogen chloride-free catalyst system for demirizing and co-dimerizing olefins
05/01/1991CN1051035A Process for preparing vinylacetate
05/01/1991CN1050994A Improved aldehyde hydrogenation catalyst and process
05/01/1991CN1012497B Method for starting and stopping acrylamide reactor
05/01/1991CN1012496B Method for production of oxydicarboxylic acid salts
05/01/1991CA2067375A1 Process and catalyst for production of diaryl carbonates
05/01/1991CA2028486A1 Process for manufacture of 1,1-dichloretetrafluoroethane
05/01/1991CA2023392A1 Method for making octyloxy substituted diphenyl iodonium hexafluoro metalloid salts
04/1991
04/30/1991US5012023 Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture
04/30/1991US5012022 Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture
04/30/1991US5012014 Catalyst pretreatment for olefin hydration
04/30/1991US5012013 Process for the purification of alkylene oxide adducts
04/30/1991US5012007 Reacting A Phenyl Alcohol With Carbon Monoxide In The Presence Of A Lewis Acid Catalyst
04/30/1991US5012006 Hydroformylation of 1,1-dialkylethylenes in presence of cobalt carbonyl complex catalysts, water-containing solvents or lactones or sulfones
04/30/1991US5012002 2,2'-bis(di-(m-tolyl)phosphino)-1,1'-binaphthyl
04/30/1991US5011997 Process for bis(4-aminophenyl)hexafluoropropane
04/30/1991US5011996 Process for the preparation of amines
04/30/1991US5011995 Hydrogenation of N-Aliphatic Keimines Using A Complex Iridium Catalyst
04/30/1991US5011982 Reacting salt of sulfamic acid with diketene; cyclization
04/30/1991US5011980 Process for preparation of allyl acetate
04/30/1991US5011926 Producing morpholine and diglycolamine using dual nickel-based catalyst and hydrogen
04/30/1991US5011808 Mixture of metallic chlorides on a support