Patents for C07B 61 - Other general methods (69,072) |
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06/09/1992 | US5120880 Preparation of muscone, intermediates for this preparation and preparation of said intermediates |
06/09/1992 | US5120878 Process for the preparation of secondary monomethylalkyl amines |
06/09/1992 | US5120877 Process for the production of carbonyl compounds |
06/09/1992 | US5120875 Process for the preparation of chlorine-substituted aromatic amines |
06/09/1992 | US5120874 Catalytic hydrogenation of benzyl group of corresponding 5-benzyioxy derivative |
06/09/1992 | US5120864 Intermediates, process for their preparation, and their use for the synthesis of vitamins a and e |
06/09/1992 | US5120863 Process for preparation of diacetal compounds |
06/09/1992 | US5120855 Formation of hydroxyaromatic ketoacetal from a hydroxyaromatic methylketone and production of 5-(4'-hydroxyphenyl)hydantoin and Dp-hydroxyphenylglycine from 4-hydroxyacetophenone |
06/09/1992 | US5120700 Comprises copper, iron aluminum, optionally zinc and support |
06/09/1992 | US5120697 Reacting calcium metal or calcium containing compound, organic activator, oxyacid metal salt; polymerization catalysts |
06/09/1992 | US5120520 In presence of metal or metal-contianing catalyst |
06/09/1992 | US5120412 Preparation of hypericin |
06/09/1992 | CA1303067C Process for producing methanol or mixed alcohol |
06/09/1992 | CA1303065C Process for the preparation of hydroxylated arometic derivatives, using the baeyer-villiger reaction |
06/09/1992 | CA1303062C Process for the preparation of perfluoroacyl fluorides |
06/09/1992 | CA1303060C Method for producing (aryl substituted) carboxylic acid or its salt |
06/09/1992 | CA1303058C Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst |
06/09/1992 | CA1303056C Process for the fabrication of dialkylaminoalkyl (meth)acrylate |
06/09/1992 | CA1303051C Preparation of 4,4-disubstituted 5-methylene-1,3- dioxolan-2-ones |
06/09/1992 | CA1303036C Production of alkaloid dimers using ferric ion |
06/09/1992 | CA1303014C Advanced catalytic system used for olefin metathesis, with prolonged service and shelf life |
06/09/1992 | CA1303013C Silver based catalyst for producing ethylene oxyde |
06/09/1992 | CA1303011C Compound based on a spinelle structure oxide, its application as a catalyst and process for its preparation |
06/08/1992 | WO1992010486A1 Method for preparing 5-hydroxymethyl furfural by contact catalysis |
06/08/1992 | CA2097812A1 5-hydroxymethylfurfural preparation process by heterogeneous catalysis |
06/07/1992 | WO1992012946A1 Production of alkenes |
06/07/1992 | WO1992010092A1 Very large scale immobilized polymer synthesis |
06/07/1992 | CA2097708A1 Very large scale immobilized polymer synthesis |
06/07/1992 | CA2097434A1 Production of alkenes |
06/04/1992 | WO1992009367A1 Process for regenerating a zeolite catalyst |
06/04/1992 | CA2097306A1 Process for regenerating a zeolite catalyst |
06/04/1992 | CA2055739A1 Method for ammoxidation of paraffins |
06/04/1992 | CA2055628A1 Carbonylation process and catalyst composition |
06/04/1992 | CA2055519A1 Decabromodiphenylalkane process |
06/03/1992 | EP0488861A1 Process for the preparation of alkoxylated aromatic compounds |
06/03/1992 | EP0488860A1 Method for the production of polyalkoxylated aromatic compounds |
06/03/1992 | EP0488834A1 Spiro-epoxy-cyclohexane derivatives, their preparation and their use in polymer chemistry |
06/03/1992 | EP0488638A1 BF3 catalyzed acetylation of butylbenzene |
06/03/1992 | EP0488611A1 Process for producing 4-acetoxyazetidinones |
06/03/1992 | EP0488597A1 Method for preparing 1,1,2,2-tetrakis(4-hydroxy-3,5-dimethylphenyl)ethane, epoxy resin composition comprising it, epoxy resin derived from it and method for preparing the resin and composition |
06/03/1992 | EP0488073A1 Dimerization process of n-butene |
06/03/1992 | EP0488069A2 A process for the catalytic oxidation of olefins to carbonyl compounds |
06/03/1992 | EP0488054A1 Use of a mixed catalyst system to improve the viscosity stability of rosin resins |
06/03/1992 | EP0488045A2 Process for the preparation of beta-Isophorone |
06/03/1992 | EP0487990A1 Process for the preparation of a substituted indene |
06/03/1992 | EP0487903A2 Process for the preparation of 1,3 propanediol |
06/03/1992 | EP0487853A2 Process for producing methacrylic acid |
06/03/1992 | EP0487714A1 Selective ethylation of naphthalene compounds |
06/03/1992 | EP0487555A1 Process for preparing linear alpha-olefins from ethylene |
06/03/1992 | EP0457853A4 A process for the catalytic conversion of a c 9?+ aromatics feed |
06/03/1992 | EP0452412A4 Process for the production of alpha-6-deoxytetracyclines |
06/03/1992 | EP0307446B1 Liquid phase isomerization of iodoaromatic compounds |
06/03/1992 | CN1061599A Novel diketene imine derivative and process for preparing same |
06/03/1992 | CN1061588A Improved hydroformylation process |
06/03/1992 | CN1016870B Process for the preparation of 2-oxo-1, 3-dioxolanes |
06/02/1992 | US5118895 Process for preparing alkyl-substituted aromatic hydrocarbon |
06/02/1992 | US5118888 Process for the preparation of 1,2-difluoro-ethylene and 1-chloro-1,2-difluoro-ethylene |
06/02/1992 | US5118887 Using catalyst obtained by calcining alumina containing fibrils of polytetrafluoroethylene |
06/02/1992 | US5118884 Hydrogenation of citral |
06/02/1992 | US5118883 Self-condensation, catalytic hydrogenolysis |
06/02/1992 | US5118877 Process for the preparation of 2,3-dimethylphenol and of 3,4-dimethylphenol |
06/02/1992 | US5118868 Oxidation catalyst for partial oxidation of alcohol |
06/02/1992 | US5118867 Hydroformylation of an definically unsaturated compound, rhodium catalyst, a soluble ammonium salt of a sulfonated phosphorous acid triester |
06/02/1992 | US5118866 Catalytic oxidation of alcohol with catalyst system of cuprous chloride and tetramethyl piperidine oxide |
06/02/1992 | US5118864 Preparation of cyclopentenones |
06/02/1992 | US5118862 Process for producing αβ-unsaturated carbonyl compound |
06/02/1992 | US5118860 Acetylating with acetic acid, acetic anhydride, acetyle fluoride, chloride or bromide |
06/02/1992 | US5118859 Preparation and purification of 2-hydroxy-4-(2'-hydroxyethoxy)phenyl aryl ketones |
06/02/1992 | US5118836 Optically active fluorine-containing 3-hydroxybutyric acid esters and process for producing the same |
06/02/1992 | US5118833 Oxidizing alpha-hydroxy-carboxylic acid ester with hypochlorous acid in the presence of a nitroxy radical |
06/02/1992 | US5118829 Process for cycloalkyl substitution of hydrogen containing silanes |
06/02/1992 | US5118821 Catalytic hydrogenation of maleic anhydride |
06/02/1992 | US5118818 Process for preparing organic carbonates |
06/02/1992 | US5118653 Chemical process and catalyst |
06/02/1992 | US5118650 Alkylation of alkylene oxide; narrow molecular weight distribution |
06/02/1992 | US5118483 Hydrorefining catalysts |
06/02/1992 | CA1302649C Process for the preparation of l-phosphinothricine (derivatives) and also of their alkyl esters |
06/02/1992 | CA1302648C PROCESS FOR THE PRODUCTION OF N-FORMYL-.alpha.-L-ASPARTYL-L- PHENYLALANINE METHYL ESTER |
06/02/1992 | CA1302437C Production of ethers from olefins |
06/02/1992 | CA1302432C Process for the preparation of 5-hydroxydiprafenone and its acid addition salts |
06/02/1992 | CA1302430C Process for preparing 2,2-bis-(3-nitrophenyl)-hexafluoropropane, and 2,2-bis-(4-carboxy-3-nitrophenyl)-hexafluoropropane occurring as an intermediate |
06/02/1992 | CA1302428C Process for the preparation of phosphorothioic dichlorides |
06/02/1992 | CA1302427C Catalytic process for preparing dialkyl phosphorodithioic acids |
06/02/1992 | CA1302413C Process for 6,7-dihydro-5,8-dimethyl-9-fluoro-1-oxo- 1h,5h-benzo[ij]quinolizine-2-carboxylic acid |
06/02/1992 | CA1302401C Process for the preparation of 21-hydroxy-20-keto-delta__ -steroids and new intermediate compounds formed in this process |
05/31/1992 | WO1992009554A1 Azeotropic assisted transvinylation technology |
05/31/1992 | CA2075622A1 Azeotropic assisted transvinylation technology |
05/31/1992 | CA2044480A1 Use of a mixed catalyst system to improve the viscosity stability of rosin resins |
05/28/1992 | WO1992009548A1 Process for producing dichloropentafluoropropane |
05/28/1992 | CA2074515A1 Method for producing dichloropentafluoropropanes |
05/28/1992 | CA2055924A1 Bf3 catalyzed acylation of aromatic compounds |
05/27/1992 | EP0487284A2 Removal of carbonyl impurities from a carbonylation process stream |
05/27/1992 | EP0487208A1 Production of carbonates |
05/27/1992 | EP0487160A1 Process for the preparation of azines |
05/27/1992 | EP0486993A1 Preparation of a zinc aluminate supported dehydrogenation catalyst |
05/27/1992 | EP0486806A1 Process for the preparation of racemic pilosinine derivatives |
05/27/1992 | EP0398998A4 Synthetic porous crystalline material, its synthesis and use |
05/27/1992 | EP0313661B1 Process for preparing 3-ethylbenzophenone |
05/27/1992 | EP0304495B1 Process for selectively monohydroesterifying diolefin |
05/27/1992 | CN1061412A Process for preparing trioxane |