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)
11/1991
11/26/1991US5068479 Catalytic alkylation of p-cymene and a hexene using aluminum halide and triphenylmethane derivatives
11/26/1991US5068475 Process for purifying unreacted 1,2-dichloroethane from a 1,2-dichloroethane pyrolysis process
11/26/1991US5068472 Catalytic fluorination of hexachloropropylene with hydrogen fluoride followed by dehydrohalogenation
11/26/1991US5068469 Reaction of a saturated aldehyde with an alcohol
11/26/1991US5068466 Catalytic dehydrogenation of 8-hydroxymenthene as a perfume
11/26/1991US5068452 Aromatic aldehydes and their derivatives
11/26/1991US5068450 Formylation of aromatic compounds in the presence of boron trifluoride
11/26/1991US5068448 Process for the production of 4'-isobutylacetophenone
11/26/1991US5068445 Process for the preparation of organic disulphides and polysulphides
11/26/1991US5068442 Controlling the amount of formaldehyde as impurities in gases
11/26/1991US5068435 Ortho-alkylated aromatic amines via gamma alumina catalyst
11/26/1991US5068434 Alkylation of an aniline compound with a zeolite catalyst
11/26/1991US5068428 Process for the preparation of cyclopropanecarboxamide
11/26/1991US5068424 Process for preparing arylsulphonyl-isocyanates and addition derivatives thereof
11/26/1991US5068413 Multistage process to form 1-(aminomethyl)-cyclohexanecarboxylic acid from 1-cyanocycloalkylmalonic acid derivatives
11/26/1991US5068410 Process for producing highly pure 2,6-naphthalene dicarboxylic acid
11/26/1991US5068407 Oxidation of tertiary-alkyl substituted aromatics
11/26/1991US5068399 Process for preparing unsaturated carboxylic acid ester
11/26/1991US5068398 Preparation of 6-aminocaproic esters
11/26/1991US5068392 Process for the preparation of 2-chloro and 2,6-dichloroanilines
11/26/1991US5068391 Preparation of methylenedi (phenylurethane)
11/26/1991US5068386 Preparation of tertiary-hydrocarbylsilyl compounds
11/26/1991US5068385 Process for the preparation of alkyl halogenosilanes
11/26/1991US5068353 Etherification of phthalimide with an alkali metal diphenoxide in the presence of a catalytic phase transfer agent and a solvent
11/26/1991US5068335 Catalytic hydrogenation of triacetonamine in the presence of nickel, cobalt, ruthenium, rhodium, osmium and iridium
11/26/1991US5068300 Dicarboxylic acid or dicarboxylic halide compounds as intermediates for polyesters, polyamides and polyurethanes and copolymers with polycarbonates, polyethers and polyphenylene sulfide
11/26/1991US5068214 Impregnation a support with a solution of a platinum derivative and a cobalt salt, evaporation of a solvent and heating in hydrogen
11/26/1991CA2083715A1 Process for the preparation of 1,4-bis(4-fluorobenzoyl)-benzene
11/26/1991CA1292475C Process for the selective preparation of alkenecarboxylic acid derivatives
11/26/1991CA1292471C Preparation of piperidinylcyclopentylheptenoic acid derivatives
11/25/1991CA2042854A1 Process for the synthesis of n-vinyl amides
11/25/1991CA2041950A1 Process for preparing an optically active cyclobutanone, an intermediate in the synthesis of an optically active cyclobutane nucleoside
11/25/1991CA2041239A1 Production of diisopropyl ether
11/24/1991CA2043059A1 Method for reducing unsaturation of polyethers and low unsaturation polyethers so obtained
11/23/1991CA2042886A1 Metals-containing zeolites, a process for preparing such zeolites and their use in catalytic processes
11/22/1991WO1991017987A1 Phenol and pyridinol derivatives as pharmaceuticals
11/22/1991CA2081982A1 Phenol and pyridinol derivatives as pharmaceuticals
11/21/1991EP0457725A2 Process for the preparation of 2,3-dibromopropionyl chloride
11/21/1991EP0457640A1 Use of a catalyst comprising a zeolite, a noble metal of the platinum group and an additional metal in the aromatisation of hydrocarbons with 2 to 4 carbon atoms
11/21/1991EP0457606A1 Process for producing highly pure isophthalic acid
11/21/1991EP0457465A1 Integrated cracking, etherification and olefin upgrading process
11/21/1991EP0457387A2 Process for the preparation of ketones
11/21/1991EP0457386A2 Process for the preparation of a secondary amine and catalysts therefor
11/21/1991EP0457129A2 Process for the preparation of amine-terminated compounds
11/21/1991EP0457128A2 Novel amine-terminated compounds
11/21/1991EP0456879A1 Process for the dehalogenation of organic compounds
11/21/1991EP0427782A4 Terminal chlorination of normal alkane hydrocarbons
11/21/1991EP0282602B1 Production of alkaloid dimers using ferric ion
11/20/1991CN1056299A Process for obtaining at least one tertiary olefin by decomposition of corresponding ether
11/19/1991US5066827 From ethyl N-phenylcarbamate and formaldehyde, trioxane, methylal or paraformaldehyde, hydrofluoric acid catalyst, intermediate for diphenylmethane diisocyanate
11/19/1991US5066824 Polyhydroxy compound or polymer esterified with acetoacetic acid, then reacted with amine
11/19/1991US5066815 Asymmetric hydrogenation of ketone, ruthenium-phosphine catalyst
11/19/1991US5066809 Palladium Catalyst
11/19/1991US5066801 Preparation of sulfonic acid esters
11/19/1991US5066365 Process for the isolation of vinyl acetate by distillation
11/19/1991CA2041238A1 Integrated cracking, etherification and olefin upgrading process
11/19/1991CA1292250C Dual function process for isomerization and ring opening of a feed stream containing paraffins and hydrocarbons
11/19/1991CA1292249C Process containing hf alkylation and selective hydrogenation
11/19/1991CA1292248C Steam dehydrogenation and oxidative reheat process using only one catalyst system
11/19/1991CA1292246C Process for the preparation of aldehydes
11/19/1991CA1292243C Process for the oxidation aldoses, catalyst used in said process and products thus obtained
11/19/1991CA1292242C Catalytic process for the production of mercaptans from thioethers
11/18/1991WO1991018132A1 Process for preparing optically pure 1,4-diols
11/16/1991CA2040387A1 Amine-terminated compounds
11/16/1991CA2039941A1 Process for the preparation of amine-terminated compounds
11/15/1991CA2042185A1 Process for the preparation of a secondary amine
11/14/1991WO1991017142A1 Process for manufacture of organic esters of strong acids
11/14/1991DE4114874A1 Hydrocarbon cracking with catalyst contg. ZSM zeolite - involves recycling gasoline and heavy cycle oil to increase propylene prodn.
11/14/1991DE4114532A1 Cracking catalysts - contains Y and beta zeolite(s), for propylene and isobutane prodn.
11/13/1991EP0456602A1 Process for preparation of N,N,N',N'-tetraglycidyl-3,3'-dialkyl-4,4'-diaminophenylmethanes
11/13/1991EP0456552A1 Method for the production of 1,1,1,2-tetrafluoro-chloroethane and pentafluoroethane
11/13/1991EP0456455A1 Phase transfer catalyst recovery
11/13/1991EP0456373A1 A catalyst system for metathesis reactions of olefines and a process for the metathesis of an olefine
11/13/1991EP0456157A1 Process of producing chloroacetals
11/13/1991EP0456049A1 Process for the preparation of vinylphosphonic acid derivatives
11/13/1991EP0455748A1 Manufacture of 1,1,1,2-tetrafluoroethane.
11/13/1991EP0455644A1 Production of allyl chloride.
11/13/1991CN1056066A Fluid catalyst for use in gas phase oxidation of aromatic hydrocarbons
11/12/1991US5064804 Metal vanadates, molybdates, or tungsttes for hydrolysis
11/12/1991US5064629 Titanium-boron-oxide, synthetic materials based thereon and method of preparing the same
11/12/1991US5064215 Safety ski binding
11/12/1991CA2042304A1 Process for preparing 2,2-dimethyl-5-(2,5-dimethylphenoxy)-pentanoic acid
11/12/1991CA1291980C Process for preparing a macrostructural unit having a catalytically-active zeolite surface
11/12/1991CA1291958C Method for eliminating reentry disulfides in a mercaptan extraction process
11/08/1991CA2040098A1 Phase transfer catalyst recovery
11/06/1991EP0455547A1 Process for the dechlorination of higher chloromethanes
11/06/1991EP0455545A1 Process for the preparation of mono- or polyalkoxylated aromatic compounds
11/06/1991EP0455533A1 Process for the production of benzyl methacrylate and its aromatic ring substituted halogenated and alkylated derivatives
11/06/1991EP0455332A2 Acylation or sulphonylation of aromatic compounds
11/06/1991EP0455308A2 Process for the conversion of methanol into liquid hydrocarbons
11/06/1991EP0455306A2 Olefin ethylation process
11/06/1991EP0455304A1 Process for the preparation of cyclic ketones
11/06/1991EP0455261A1 Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes
11/06/1991EP0455257A2 Catalysts for producing 1,3-diols and/or 3-hydroxy-aldehydes, and processes for making and using same
11/06/1991EP0455101A2 Process for the synthesis of glycoconjugates by glycosidase catalysis
11/06/1991EP0455004A1 Process for the preparation of dimethyl ether
11/06/1991EP0454766A1 Polyvalent metal ion-containing antibody combining site catalysts
11/06/1991EP0454742A1 Process for producing guerbet alcohols
11/06/1991EP0453502A4 Process for the chlorination of ethane
11/06/1991EP0444056A4 Process for selective manufacture of 2,6-dialkylnaphthalenes
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