Patents for C07B 61 - Other general methods (69,072)
08/1991
08/27/1991US5043504 Using hindered phenol as inhibitor and iron complex as catalyst
08/27/1991US5043501 Process for preparing dimethylnaphthalene
08/27/1991US5043494 Preparation of methylhydroquinone
08/27/1991US5043493 Isomerization using zeolite catalyst
08/27/1991US5043491 Chlorofluorination, hydrodehalogenation with metal containing catalyst
08/27/1991US5043487 Butadiene and water with catalyst of triorganophosphine, triorganophosphine oxide and corbon dioxide
08/27/1991US5043485 Process for the hydrogenation of fatty acid methyl ester mixtures
08/27/1991US5043483 With acid catalyst and solvent for selective yield of mono-alkylated product
08/27/1991US5043475 Oxidation of N-phosphonomethyliminodiacetic acid with peroxide and metal catalyst of iron, zinc, aluminum, vanadium and copper
08/27/1991US5043448 Acid catalyzed deprotection/cyclodehydration
08/27/1991US5043092 Process for the production of polyisocyanate mixtures containing uretdione and isocyanurate groups
08/27/1991CA2037019A1 Process for converting toluene and butadiene to styrene and 1-pentene
08/27/1991CA2036996A1 Process for preparing metal-free fatty peroxyacid precursors having amide moieties in the fatty chain
08/27/1991CA2036960A1 Novel synthesis of carbapenem intermediates
08/22/1991WO1991012248A1 Composition comprising hydroxylated epoxy compound and preparation thereof
08/22/1991DE4016076A1 Process for carrying out sonochemical reactions - with continuous flow through ultrasonic appts.
08/22/1991DE4005295A1 THF recovery from butane-diol butyrolactone and succinate ester mixts. - by heating with layer silicate at 100-250 deg. C, distilling off THF water and sepg. THF from distillate
08/22/1991DE4005163A1 Acrolein in-situ prodn. - by gas-phase isomerisation of propargyl alcohol at 300-550 deg. C. on heterogeneous catalysts contg. alkaline-reacting metal ions
08/21/1991EP0442816A1 Alpha-hydroxylic acids, process for preparing them and use
08/21/1991EP0442754A2 Reagents and methods for stereospecific fluoromethylation
08/21/1991EP0442621A1 Methods for making tetrahydroisoalpha and hexahydroisoalpha acids
08/21/1991EP0442517A1 Preparation process of catalysts for producing methacrylic acid
08/21/1991EP0442400A1 Process for preparing substantially fluorinated aliphatic hydrocarbons containing 1 or 2 bromo- or chloroatoms in the molecule
08/21/1991EP0442115A1 Process for nucleus-chlorination of aromatic hydrocarbons
08/21/1991EP0442087A1 Process for preparing saturated fluorinated hydrocarbons without chlorine
08/21/1991EP0442075A1 Process for preparing 1,1,1,3,3,3,-hexafluoropropane and 2-chloro-1,1,1,3,3,3,-hexafluoropropane
08/21/1991EP0441876A1 Non-bioaccumulable pesticides.
08/21/1991EP0253838B1 Catalytic method for producing fluoroaromatic compounds using n-sec-alkyl pyridinium salts
08/21/1991EP0252964B1 Catalytic method for producing fluoroaromatic compounds using substituted pyridinium salts
08/21/1991CN1013577B Process for production of glycerol form formaldehyde
08/21/1991CN1013576B Downflow isomerization of exoxides
08/21/1991CA2036569A1 Process for the synthesis of (methylbenzyl)xylene oligomers and their application as a dielectric substance
08/21/1991CA2032221A1 Process for preparing alkylene carbonates
08/20/1991US5041688 Process for the preparation of polyglycerols
08/20/1991US5041686 Process for the preparation of carbonyl compounds
08/20/1991US5041684 Hydroformylation
08/20/1991US5041681 Chemical process
08/20/1991US5041675 Process for preparing 3(4),8(9)-bis(aminomethyl)-tricyclo[5.2.1.02,6 ]d
08/20/1991US5041672 Process for preparing p-phenylenediamines
08/20/1991US5041671 Process for the preparation 4-chloro-2,5-dimethoxy-aniline
08/20/1991US5041669 Reacting alkyl aryl ketones with alkyl nitrites, extracting product, catalytically hydrogenating/reducing in nonaqueous acid mixture
08/20/1991US5041664 Organic chlorides; tertiary amines with mettal oxide lewis acid catalyst
08/20/1991US5041662 Silicon dioxide catalyst, elevated temperature
08/20/1991US5041656 Preparation process of (meth)acrylamide
08/20/1991US5041652 Method for the preparation of a catalyst for the ammoximation of carboxylic compound
08/20/1991US5041649 Preparation of carbonyl halides
08/20/1991US5041646 Process for producing 2-methyl-2-butenoic acid
08/20/1991US5041643 Process for the production of R(+)-aminocarnitine and S(-)-aminocarnitine
08/20/1991US5041642 Preparation of β, γ-unsaturated carboxylic acids
08/20/1991US5041634 Process for the preparation of carboxylated aromatic hydroxy compounds
08/20/1991US5041632 Process for the preparation of 4,4'-dinitrostilbene-2,2-disulfonic acid
08/20/1991US5041623 Continuous liquid phase processing of alkanol, ethylene, carbon monoxide in presence of carbonylation catalyst; product removed in vapor stream
08/20/1991US5041621 Process for the preparation of dihydroxy esters
08/20/1991US5041619 Process for the preparation of alkoxyalkylidenemalonic acid esters
08/20/1991US5041614 Method for the preparation of 4-acetoxystyrene
08/20/1991US5041604 Process for producing di(aryloxy)alkane
08/20/1991US5041603 N-phenylsulfonyl-N'-pyrimidinyl-ureas and N-phenyl-sulfonyl-N'-triazinyl ureas
08/20/1991US5041595 Method for manufacturing vinylalkoxysilanes
08/20/1991US5041572 Oxidation of trimethylphenyl in presence of copper (II) halide catalyst and aliphatic alcohol solvent
08/20/1991US5041571 Cooling first reaction of phthalic anhydrides and benzenes over catalyst mixture of hydrogen fluoride and trifluorobro-mine, heating second reaction without separation of chemical intermediates
08/20/1991US5041569 Process for preparing styrene oxide
08/20/1991US5041553 Process for the preparation of 2-substituted 1-(acylaminoalkyl)-2-imidazolines
08/20/1991US5041548 Method for the preparation of triethylene diamines
08/20/1991US5041402 Containing oxides of silicon and/or germanium with aluminum, iron, gallium, boron titanium, vanadium, zirconium, molybdenum, arsenic, chromium and/or manganese
08/20/1991US5041205 Hydrocarbon/oxygenate conversion using crystalline (metallo) silicates and germinates SUZ-2
08/20/1991CA2036559A1 New aminophosphine-phosphinites, a process for their fabrication and their application to enantioselective reactions
08/20/1991CA1287838C Process for the preparation of unsaturated carboxylate esters
08/16/1991CA2036330A1 .alpha.-hydroxylated acids; process for preparing the same and their use
08/14/1991EP0441708A1 Process for the preparation of terpene ketones
08/14/1991EP0441685A1 Catalytic system and its use in the oxydehydrogenation of saturated carboxylic acids
08/14/1991EP0441565A2 Flat knitting machine having function for adjusting knock-over timing
08/14/1991EP0441460A2 Cyclopentadienes, their manufacture and lubricating compositions containing them
08/14/1991EP0441457A2 Preparation of higher alkyl esters of carboxylic acids
08/14/1991EP0441445A2 Preparation of amides
08/14/1991EP0441347A1 Method of producing naphthalene dicarboxylic acid
08/14/1991EP0441260A1 Catalytic carbonylation process
08/14/1991EP0440995A1 Process for preparing 1-octene
08/14/1991EP0440959A1 Process for the preparation of 2-alkylthio-1,3,4-thiadiazoles
08/14/1991EP0440737A1 Preparation of biaryl compounds
08/14/1991EP0440643A1 Fluorinated 4''-cyano substituted terphenyls.
08/14/1991EP0440637A1 Improved process for the transalkylation of polyalkylbenzenes
08/14/1991CN1053785A Preparation of amides
08/13/1991US5039648 Process for the preparation of cobalt catalysts
08/13/1991CA1287643C Method of preparing 5-amino salicylic acid
08/13/1991CA1287642C Process for preparing cyclohexanonecarboxylic acid compounds
08/13/1991CA1287638C Orthocarbonates
08/13/1991CA1287613C Boronaaronate molecular sieve
08/13/1991CA1287612C Layered metal chalcogenides containing interlayer chalcogenides and their synthesis
08/13/1991CA1287611C Layered metal oxides containing interlayer oxides and their synthesis
08/13/1991CA1287482C Reactor for exothermic and endothermic catalytic reactions
08/10/1991CA2035426A1 Catalytic carbonylation process
08/09/1991CA2035943A1 Process for the preparation of terpenic ketones
08/08/1991WO1991011430A1 Halogenation of aromatic amine compounds
08/08/1991WO1991011427A1 Olefinically unsaturated adducts of propylene on polyunsaturated fatty acids or fatty acid esters, process for producing them and their use
08/08/1991WO1991011411A1 Alkylation of aromatics
08/08/1991WO1991005750A3 Process for producing fluorinated organic compounds
08/08/1991DE4003436A1 2-Alkyl-thio-1,3,4-thia-diazole derivs. prepn. - by reacting carboxylic acid with di:thio-carbazinic acid ester in presence of phosphoryl chloride
08/07/1991EP0440593A2 Oxidation of tertiary-alkyl substituted aromatics and catalysts therefor
08/07/1991EP0440540A1 Process for the isomerization of normal paraffins in presence of at least a catalyst supported on a given zeolithe omega
08/07/1991EP0440420A1 Process for preparation of condensed alcohols by alkoxide catalysis