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)
12/1991
12/11/1991EP0461096A1 Process for the production of N-phenylmaleimide
12/11/1991EP0460922A1 Decabromodiphenyl alkane process
12/11/1991EP0460905A2 Improved method for producing ibuprofen
12/11/1991EP0460881A1 Process for bicyclic beta-lactams
12/11/1991EP0460870A2 Method for preparing methacrolein
12/11/1991EP0460831A2 Production of hydroxy carboxylic compounds
12/11/1991EP0460827A1 Production of alpha, para-dimethylstyrene
12/11/1991EP0460735A2 Process for producing dimethyl carbonate
12/11/1991EP0460732A1 Process for producing dimethyl carbonate
12/11/1991EP0460687A2 Process for the preparation of oxydiphthalic anhydride and acyloxyphthalic anhydrides
12/11/1991EP0460589A1 Method for the preparation of cyclopentyl Trichlorosilane
12/11/1991EP0460544A2 Process for the preparation of sulphonated anthranilic acids
12/11/1991EP0460474A2 Process for the preparation of N-substituted pyrrolidones
12/11/1991EP0460465A2 Process for the preparation of styrene derivatives having a double bond in an ethylene-extended chain and ethylene-extended styrene derivatives
12/11/1991EP0460412A1 Process for the preparation of allantoin
12/11/1991EP0460363A1 Method for the production of mono-fatty acid or hydroxy-mono-fatty acid esters of isopropylidene derivatives of a polyglycerol
12/11/1991EP0460253A1 Process for making carboxylic acid esters using a crosslinked acrylic resin as the catalyst
12/11/1991EP0460138A1 Method for producing chloroform
12/11/1991CN1056867A Process for preparation of ketones
12/11/1991CN1056865A Calalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same
12/10/1991US5072069 Cycloolefinic complexes of platinum, processes for preparing the same and their use as a catalyst
12/10/1991US5072063 Catalytic isomerization of 3,3-dihalopropene; continuous processing of by-product stream components; high yield and selectivity; chemical intermediates
12/10/1991US5072059 Two-step monoethylene glycol preparation process
12/10/1991US5072058 Process for the preparation of 2,2-dimethylpropane-1,3-diol
12/10/1991US5072056 Synthesis of 2-phenyl-1,3-propanediol
12/10/1991US5072055 Dealkylated in ortho position
12/10/1991US5072053 1,3-di-arylmethoxy-4,6-dinitro-benzenes, process for their preparation and process for the preparation of 4,6-diaminoresorcinol
12/10/1991US5072052 Process for the production of acrolein by catalytic gas-phase oxidation of propene
12/10/1991US5072051 Reacting methyl ethyl ketone and paraformaldehyde using secondary amine hydrohalide, carboxylic acid and/or solid non-soluble oxide catalyst
12/10/1991US5072037 Aldol condensation, hydrogenation, dehydration, hydroformylati on, oxidation; purity, by-product inhibition, pollution contro l
12/10/1991US5072033 Process for producing N-phosphonomethylglycine
12/10/1991US5072028 Process for the preparation of bromo-substituted aromatic esters of α,β-unsaturated acids
12/10/1991US5072017 Process for the preparation of p-substituted o-benzylphenols
12/10/1991US5071980 Nickel-based dual catalyst systems effective in suppressing carbon dioxide formation during diethylene glycol amination
12/10/1991US5071975 Esterification of sucrose with fatty acid alkyl esters, alkaline catalyst
12/10/1991US5071814 Process for producing molybdenum bismuth-containing metal oxide catalyst
12/10/1991US5071801 High density leucite based ceramics from zeolite
12/10/1991US5071640 Cosmetic composition containing a polyoxyethylenated non-ionic surface-active agents with two lipophilic chains
12/10/1991US5071572 Production of alcohols
12/09/1991CA2044110A1 Process for the preparation of oxydiphthalic anhydride and acyloxyphthali anhydrides
12/09/1991CA2044046A1 Production of alpha para-dimethylstyrene
12/09/1991CA2044042A1 Production of hydroxy carboxylic compounds
12/09/1991CA2042996A1 Transalkylation in the presence of a catalyst slurry
12/08/1991CA2019913A1 Production of vinylidene fluoride from 1,1-difluoroethane
12/07/1991WO1991018867A1 Process for the preparation of ketoximes
12/07/1991CA2084664A1 Process for the preparation of ketoximes
12/07/1991CA2043939A1 Process for bicyclic .beta.-lactams
12/05/1991WO1991018853A1 Fluorination process
12/05/1991CA2100976A1 Fluorination process
12/04/1991EP0459861A1 Oxidising activation of carbon-hydrogen bonds by hydrogen peroxide, medium and process for carrying it out
12/04/1991EP0459692A2 Alkyl substituted piperazines and use as chain extenders in polyurea elastomer systems
12/04/1991EP0459673A2 Piperazine derivatives as chain extenders in polyurea elastomer systems and method of making same
12/04/1991EP0459495A2 Process for the acylation of naphthylethers with the aid of zeolite-catalysts
12/04/1991EP0459471A1 Method for photosynthesis of organic substances from carbon dioxide and water
12/04/1991EP0459390A1 Sterically hindered amino hydrocarbylsilanes and process of preparation
12/04/1991EP0459267A2 Process for the preparation of pure 4,4'-dihydroxybiphenyl
12/04/1991EP0459258A2 Process for the preparation of olefinic and acetylenic compounds
12/04/1991EP0458965A1 Process for the preparation of vinyl ethers.
12/04/1991EP0458895A1 Isomerization of waxy lube oils and petroleum waxes using a silicoaluminophosphate molecular sieve catalyst.
12/04/1991CN1056678A Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes
12/04/1991CN1014988B Improved process for mfr. of 1,1,1-trifluorodichloroethy lene and 1,1,1,2-tetrafluorochloroethylene
12/03/1991US5070137 Process for the preparation of polyisocyanate
12/03/1991US5070064 Controlling particle size distribution of fischer-tropsch cata lyst
12/03/1991US5070062 Oxychlorination catalyst, the method for its preparation
12/03/1991US5070060 Oxidation of butane to maleic anhydride
12/03/1991US5070059 Ammoxidation; mixed oxides of vanadium, chromium, molybdenum a nd boron
12/03/1991US5069828 Esterification of hydroxybenzenesulfonate with acid chloride i n presence of phase transfer agent
12/03/1991US5069777 Procedure for the fixed-bed sweetening of petroleum fractions
12/03/1991CA1292754C Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture
12/03/1991CA1292753C Process for the hydroformylation of sulfur-containing thermally cracked petroleum residua
12/03/1991CA1292751C Process for production of isothiocyanates
12/02/1991CA2043335A1 Method for photosynthesis of organic substances from carbon dioxide and water
12/01/1991CA2043529A1 Oxidatively activating of carbon-hydrogen bonds with hydrogen peroxide; medium and process therefor
11/1991
11/28/1991WO1991017829A1 Hydrocracking catalyst and process
11/28/1991WO1991017824A1 Activation of noble metal catalysts for use in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
11/28/1991CA2017633A1 Process for making carboxylic acid esters using a crosslinked acrylic resin as the catalyst
11/27/1991EP0458684A1 Reagent and process for the perfluoroalkylation of nucleophilic substrates by sodium perfluoroalkanesulfinates in an oxidising medium
11/27/1991EP0458674A1 Zeolithic catalyst and its use in the aromatisation of hydrocarbons containing 2 to 4 carbon atoms
11/27/1991EP0458643A2 Process for preparing an optically active cyclobutanone, an intermediate in the synthesis of an optically active cyclobutane nucleoside
11/27/1991EP0458624A1 Process for the preparation of lactam derivatives
11/27/1991EP0458541A1 Improved phosphorous/vanadium oxidation catalyst
11/27/1991EP0458414A2 Metals-containing zeolites, a process for preparing such zeolites and their use in catalytic processes
11/27/1991EP0458398A2 Bleach activation
11/27/1991EP0458397A2 Bleach activation
11/27/1991EP0458378A2 Catalyst composition
11/27/1991EP0458262A2 Method for reducing unsaturation of polyethers
11/27/1991EP0458048A1 Production of diisopropyl ether
11/27/1991EP0458006A1 Process for preparing high-purity aniline
11/27/1991EP0457912A1 METHOD FOR THE PREPARATION OF $g(a),$g(b)-UNSATURATED KETONES
11/27/1991EP0457853A1 A process for the catalytic conversion of a c 9?+ aromatics feed.
11/27/1991EP0282579B1 Cyclopentanes and lubricants comprising cyclopentanes
11/27/1991EP0261191B1 Industrial process for the preparation of amino acids by hydrolysis of proteins in acid medium
11/27/1991CN1056489A Process for preparing high-purity aniline
11/27/1991CN1056487A Process for preparing 2,2-dimethyl-5-(2,5-dimethyl phenoxy) pentanoic acid
11/27/1991CN1056485A Process for preparing cycloalkanone and/or cycloalkanol
11/26/1991WO1991018862A1 Process for producing 1,4-bis-(fluorbenzoyl)-benzol
11/26/1991US5068484 Process for the hydroconversion of a feedstock comprising organic compounds having a tendency to readily form polymer compounds
11/26/1991US5068483 Catalysts based on zeolites modified by alkali metal elements in the metallic form, their preparation, and their application to alkylation of alkylaromatic derivatives
11/26/1991US5068482 Method for producing 1,1-diarylethanes
11/26/1991US5068481 Method for producing diarylmethanes
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