Patents
Sitemap › C07 - Organic chemistry › C07B - General methods of organic chemistry; Apparatus therefor › C07B 61 - Other general methods
Patents for C07B 61 - Other general methods (69,072)
09/1991
09/17/1991CA2038392A1 Process for producing alkylthio- and arylthio-substituted carboxylic acids and their thioesters
09/17/1991CA2038304A1 Catalyst preparation process
09/17/1991CA1289150C Process for the production of aromatic carboxylic acids
09/17/1991CA1289125C Upgrading low molecular weight alkanes
09/16/1991CA2038193A1 Two-step monoethylene glycol preparation process
09/16/1991CA2036827A1 Process for preparing dimethynaphthalene
09/15/1991CA2038168A1 Process for the production of 2,3-dichloro-5-acetylpyridine
09/13/1991CA2038039A1 Compound for use in the synthesis of semiconducting polymers with perpendicularly arranged cores and method of synthesizing said compound
09/13/1991CA2037163A1 Hafnium-catalyzed transesterification
09/12/1991EP0455644A4 Production of allyl chloride.
09/11/1991EP0446109A1 Process for the preparation of dimethyldisulfide
09/11/1991EP0446086A1 Composition comprising methyl and benzyl derivatives of diphenylmethane and its use as dielectricum
09/11/1991EP0445969A2 Catalytic hydrodealkylation of aromatics
09/11/1991EP0445891A1 Process for preparing organic carbonates
09/11/1991EP0445859A1 Process for obtaining sec-butyl acrylate
09/11/1991EP0445790A2 Removal of organic chloride from phenylchlorosilanes
09/11/1991EP0445660A2 Integrated production of methanol and electric power
09/11/1991EP0445595A2 Bromination process
09/11/1991EP0445589A2 Process for the preparation of 1,4-alkylenediamines
09/11/1991EP0445560A2 Process for preparing ethane derivatives
09/11/1991EP0445483A1 Catalytic oxidation of hydroxy containing aromatic compounds
09/11/1991EP0445365A1 Preparation of alkyl alkanethiolsulfonates
09/11/1991EP0445243A1 A method of preparing monothiophosphoric acid by sulfurizing a phosphite in the presence of an amide.
09/11/1991EP0418370A4 Process for the production of alkyl aromatic hydrocarbons
09/11/1991EP0416085A4 Process for the preparation of phenylpyruvic acid from benzyl chloride
09/11/1991CN1054420A Preparation of higher alkyl esters of carboxylic acids
09/11/1991CN1054416A Dielectric composition based of benzyltoluene and (methyl benzyl) xylene
09/11/1991CN1054415A Composition based of methylating and benzylating derivatives of diphenylmethane and application as dielectric
09/11/1991CN1054414A Process for isomerizing normal paraffin hydrocarbon in presence of at least one catalyst based on particular omega zeolite
09/11/1991CN1013861B Vinylcyclopropanecarboxylic acid esters
09/10/1991US5047586 Hydrogenation and acylation of dinitroalkoxy benzene using nickel catalyst
09/10/1991US5047583 Production of carboxylic acids
09/10/1991US5047524 Solid phase syntheisis o nonsuelladle porous polystyrene support by phosphoramide or hydrogen phosphonate chemistry
09/10/1991US5047380 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/10/1991US5047377 Process for the purification and recovery of the contaminated solution of the catalyst produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
09/10/1991US5047178 Nickel/alumina catalyst, its preparation and use
09/10/1991CA2030281A1 Preparation of alkyl alkanethiolsulfonates
09/10/1991CA1288779C Process for preparing a s-substituted phosphorochloridothiolate
09/09/1991WO1991013882A1 Isomerization of epoxyalkenes to 2,5-dihydrofurans and catalysts compositions useful therefor
09/09/1991CA2276192A1 Isomerization of epoxyalkenes to 2,5-dihydrofurans and catalysts compositions useful therefor
09/09/1991CA2023566A1 Preparation of a n-substituted phenylenediamine
09/08/1991WO1991013866A1 Method for preparing 3'-aminopropyl-2-sulphatoethylsulphone
09/08/1991CA2077673A1 Method for preparing 3'- aminopropyl-2-sulphatoethylsulphone
09/08/1991CA2037335A1 Integrated production of methanol and electric power
09/06/1991WO1991013854A1 Catalytic system for olefin oxidation to carbonyl products
09/06/1991WO1991013853A1 Catalyst system for olefin oxidation to carbonyl products
09/06/1991WO1991013852A1 Process for the production of methyl ethyl ketone
09/06/1991WO1991013851A1 Catalytic system for olefin oxidation to carbonyl products
09/06/1991WO1991013681A1 Preparation of phosphomolybdovanadate polyoxoanions
09/06/1991CA2077552A1 Catalytic system for olefin oxidation to carbonyl products
09/06/1991CA2077551A1 Catalytic system for olefin oxidation to carbonyl products
09/06/1991CA2077550A1 Preparation of phosphomolybdovanadate polyoxoanions
09/06/1991CA2077549A1 Process for the production of methyl ethyl ketone
09/06/1991CA2077548A1 Catalytic system for olefin oxidation to carbonyl products
09/06/1991CA2037517A1 Method of making benzotrifluoride compound
09/05/1991WO1991013050A1 Hydrogenation process
09/05/1991DE4006538A1 2,4,5-Tri:amino 6-hydroxy pyrimidine prodn. by catalytic hydrogenation
09/05/1991DE4006520A1 Di:aryl or alkyl carbonate prodn. from alkyl carbonate - using polymeric hydroxy-stannoxane as ester exchange catalyst for high activity and selectivity
09/04/1991EP0445096A1 Process for preparing metal-free fatty peroxyacid precusors having amide moieties in the fatty chain
09/04/1991EP0445050A1 Method for the production of bisphenol A
09/04/1991EP0444989A1 Dielectric compositions comprising benzyltoluene and (methylbenzyl)xylene
09/04/1991EP0444930A1 Compounds containing 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl and catalytic metal complexes thereof
09/04/1991EP0444889A1 Novel synthesis of carbapenem intermediates
09/04/1991EP0444888A1 Process for the desilylation of a 4-silyloxy-tetrahydro-pyran-2-one
09/04/1991EP0444750A2 Process for converting toluene and butadiene to styrene and 1-pentene
09/04/1991EP0444742A1 Ester/alcohol synthesis
09/04/1991EP0444708A2 Process for preparation of beta-lactam derivatives
09/04/1991EP0444481A2 Process for preparing amines
09/04/1991EP0444460A2 Process for the preparation of acrolin
09/04/1991EP0444399A1 Tantalum-containing catalyst useful for producing alcohols from synthesis gas
09/04/1991EP0444293A1 Process for the preparation of carbonic acid diesters containing at least one aromatic ester group
09/04/1991EP0444266A1 Process for the preparation of 2,4,5-triamino-6-hydroxypyrimidine by catalytic hydrogenation of 2,4-diamino-6-hydroxy-5-nitrosopyrimidine
09/04/1991EP0444265A2 Process for the metathesis of olefins and functionalized olefins
09/04/1991EP0444056A1 Process for selective manufacture of 2,6-dialkylnaphthalenes.
09/04/1991CN1054252A Method of synthesising a selective olefin hydrogenation catalyst
09/03/1991US5045573 Photoinitiators for photopolymerization of unsaturated systems
09/03/1991US5045178 Reforming Hydrodesulfurized Kerosene
09/03/1991CA2033732A1 Tantalum-containing catalyst useful for producing alcohols from synthesis gas
09/03/1991CA1288439C Method of synthesizing esters
08/1991
08/29/1991DE4005629A1 Verfahren zum hydrieren A process for hydrogenating
08/28/1991WO1991013067A1 Process for preparing furan compositions
08/28/1991EP0443923A1 New aminophosphine-phosphinites, their process and their use for enantio-selective reactions
08/28/1991EP0443899A1 Process for synthetising oligomers of (methylbenzyl)xylene and their use as dielectric
08/28/1991EP0443758A1 A process for preparing alkylene carbonates
08/28/1991EP0443686A2 Co-oligomerization process
08/28/1991EP0443391A1 Method for obtaining tetrahydrofuran from mixtures containing tetrahydrofuran, 1,4-butanediol, gamma-butyrolactone and succinic acid esters
08/28/1991EP0443359A2 Conjugated diacetylene bond-containing silicon compound and method for producing same
08/28/1991EP0442947A1 Selective monoepoxidation of styrene, styrene analogs, and styrene derivatives to the corresponding oxide with molecular oxygen.
08/28/1991EP0417240A4 Process for reducing propenyl ether concentration in hydroxy-functional polyether compounds
08/28/1991EP0313559B1 Process for the production of aldehydes by hydroformylation
08/28/1991CN1054061A Hydrogenation with cu-al catalysts
08/28/1991CN1054060A Hydrogenation with cu-al-x catalysts
08/28/1991CN1013670B Synthesis for perfluoroalkyl bromide
08/28/1991CN1013669B Synthesis of 1-chloro-1, 1-difluoroethane
08/28/1991CN1013668B Improved catalyst and process for the fluid-bed oxychlorination of ethylene to edc
08/28/1991CN1013645B Conversion catalyst for synthetic gas and its preparation method
08/28/1991CA2075916A1 Process for preparing furan compositions
08/27/1991US5043522 Zeolite catalyst, process control, recycling unreacted feed and formed olefins, other than desired propylene or ethylene
08/27/1991US5043512 Alkylaromatic isomerization process
08/27/1991US5043508 Process for preparing long chain alkyl aromatic compounds
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