Patents for C07B 61 - Other general methods (69,072) |
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12/13/1989 | EP0345330A1 Processes for the production of amines |
12/13/1989 | CN1037890A Process for preparing biphenol a |
12/13/1989 | CN1006068B Process for producing n-acyl-hydroxy and n-acyl-acyloxy aromatic amines |
12/13/1989 | CN1006063B Process for the preparation of hydroquinone clerivatives |
12/13/1989 | CN1006061B Process for manufacturing styrene |
12/12/1989 | US4886923 Metal chloride catalyst and alcohol or acid cocatalyst |
12/12/1989 | US4886919 Gas phase hydrogenation of unsaturated trisubstituted monoesters |
12/12/1989 | US4886917 Alkoxylation using calcium catalysts and products therefrom |
12/12/1989 | US4886906 Process for producing 2,6-naphthalene dicarboxylic acid |
12/12/1989 | CA1263874A1 Processes for the hydrolysis of alkylene oxides using organometalates |
12/12/1989 | CA1263872A1 Preparation of ketones by isomerization of aldehydes |
12/12/1989 | CA1263871A1 Hydroformylation process |
12/12/1989 | CA1263870A1 Preparation of trifluoroacetyl chloride |
12/12/1989 | CA1263869A1 PROCESS FOR PREPARING .alpha.-HYDROXYACIDS |
12/06/1989 | EP0345243A2 Asymmetric hydrogenolysis of epoxides |
12/06/1989 | EP0344835A1 Narrow range alkanol alkoxylates |
12/06/1989 | EP0344775A1 Process for producing 4-benzoyl-5-hydroxypyrazoles |
12/06/1989 | EP0344561A2 Process for the preparation of lower polyvalent alcohols |
12/06/1989 | EP0344494A1 Process for production of 1,1,1-trifluoro-2,2-dichloroethane |
12/06/1989 | EP0221106B1 Process of preparing catalysts for oxydehydrogenation of ethane to ethylene |
12/05/1989 | US4885415 Hydrogenation, dechlorination, catalysis |
12/05/1989 | US4885409 Process for the hydrogenation of bis-phenols |
12/05/1989 | US4885408 Chlorination of ortho-substituted phenols |
12/05/1989 | US4885403 Stirring hydroxy aromatic compound with propargyl halide; etherification |
12/05/1989 | US4885397 Process for the preparation of cyclic ketones by isomerization of epoxides |
12/05/1989 | US4885388 Chemical intermediates for the preparation of herbicides and plant growth regulators |
12/05/1989 | US4885383 Acid catalysis of methanol and mono or diacid below carboxylate boiling point |
12/05/1989 | US4885382 Ester interchange in the presence of a basic catalyst; purity, nondiscoloring |
12/05/1989 | CA1263800A1 Process for the preparation of optically-active cyanomethyl esters |
12/05/1989 | CA1263666A1 Preparation of trifluoroacetate methyl |
11/30/1989 | WO1989011478A1 Ruthenium-catalyzed production of cyclic sulfates |
11/30/1989 | WO1989011467A1 Gas-phase fluorination process |
11/30/1989 | WO1989011466A1 Process and apparatus for hydrotreating olefinic distillate |
11/30/1989 | WO1989011465A1 Process for upgrading propene-ethene mixtures in a turbulent fluidized catalyst bed reactor |
11/29/1989 | EP0344043A1 Process for the preparation of citral |
11/29/1989 | EP0343944A2 Process for making 1,3-diols from epoxides |
11/29/1989 | EP0343921A2 Eta phase materials, methods of producing the same, and use therof as catalysts for alcohol synthesis, hydrocarbon synthesis, hydrocarbon hydrogenation and hydrocarbon converion reactions |
11/29/1989 | EP0343917A1 Production of monohydroxy monocyclic acetals and their esters |
11/29/1989 | EP0343916A2 Purification of diphenyl phthalates |
11/29/1989 | EP0343841A2 Synthesis of mixtures of butanediols |
11/29/1989 | EP0343798A1 Preparation of aromatic compounds and derivatives thereof |
11/29/1989 | EP0343707A1 Process for the hydrogenation of chlorofluoroalkenes |
11/29/1989 | EP0343640A2 Process for producing heterocyclic aldehydes |
11/29/1989 | EP0343598A1 Preparation of 4-pentenoates by isomerization |
11/29/1989 | EP0343475A2 Process for producing neopentyl glycol |
11/29/1989 | EP0343437A1 Process for the preparation of cycloalkadienes |
11/29/1989 | EP0343382A1 Method for the production of bis-phenols |
11/29/1989 | CN1037510A Process for preparing cyclic sulfate |
11/29/1989 | CN1037502A Process for preparing cyclohexanol |
11/29/1989 | CN1037501A Process for manufacture of vinyl chloride by conversion of acetylene with hydrogen chloride |
11/28/1989 | US4883906 Recovering product before it cools or comes into contact with water |
11/28/1989 | US4883902 By -product inhibition, ester interchange |
11/28/1989 | US4883894 Process for the production in continuous of phthalodinitrile |
11/28/1989 | US4883893 From bis(trichloromethyl)benzenes and ammonia, dehydration catalyst |
11/28/1989 | US4883887 Sulfone polyene intermediates |
11/28/1989 | US4883882 Isomerization, bonding to heterocycle, cyclization |
11/28/1989 | US4883878 Process for unsymmetrical dithioacetals and dithioketals |
11/28/1989 | US4883612 Preparation of para-acyloxybenzene sulfonates |
11/28/1989 | US4883569 Method for the preparation of a cycloalkyl silane compound |
11/28/1989 | CA1263412A1 Preparation of alkoxy halides |
11/28/1989 | CA1263411A1 Preparation of alkoxy halides |
11/28/1989 | CA1263410A1 Preparation of monoalkylene glycols in two stages |
11/28/1989 | CA1263408A1 Catalytic process for preparing cyclohexanone-oxime |
11/28/1989 | CA1263407A1 Process for the preparation of aldehydes |
11/28/1989 | CA1263396A1 Process for preparing 3-(1,2,3,4-tetrahydro-1- naphthyl)-4-hydroxycoumarin derivatives |
11/28/1989 | CA1263364A1 Production of alkylene oxides and catalysts therefor |
11/23/1989 | EP0343048A1 Process for producing nitrobenzenes |
11/23/1989 | EP0343042A1 Process for the preparation of alkyl malonates |
11/23/1989 | EP0342999A2 Method for maintaining the activity of zeolite catalysts |
11/23/1989 | EP0342777A2 Method for ammoxidation of paraffins and catalyst system therefor |
11/23/1989 | EP0342758A1 Preparation of bisphenols |
11/23/1989 | EP0342616A2 Process for the preparation of aminocyanacetamide |
11/23/1989 | EP0342615A1 Process for the preparation of epoxides |
11/23/1989 | EP0342575A2 Process for the racemisation of optical active D-2-N phenylacetylamino-4-methylphosphino butyric acid |
11/23/1989 | EP0342482A2 Process for the preparation of pyrimidine derivatives |
11/23/1989 | EP0342475A1 Process for production of carboxylic acid esters |
11/23/1989 | EP0342458A2 Process for producing carboxylic acid esters |
11/23/1989 | EP0342454A1 Process for the manufacture of dialkyl disulfides and polysulfides |
11/23/1989 | EP0342218A1 Metallic oxide powders, their mixtures, systems of mixed metallic oxide powders, their mixtures and their use for catalytic dehydration of hydrocarbons |
11/22/1989 | CN1037337A Liquid substituted 2h-benzotriazole mixtures |
11/22/1989 | CN1037331A Process for production of lower dialkyl disulphides |
11/22/1989 | CN1037328A Process for producing 2,2-bis (4-hydroxyphenyl) propane |
11/22/1989 | CN1037283A Shaped catalysts and process |
11/22/1989 | CN1037282A Catalyst for dehydrogenating organic compounds, process for its preparation and its use |
11/21/1989 | US4882307 Process for preparing noble metal-containing zeolites |
11/21/1989 | CA1263122A1 Process for the carbonylation of allenically unsaturated compounds |
11/21/1989 | CA1263121A1 Process for the carbonylation of acetylenically unsaturated compounds |
11/21/1989 | CA1263105A1 Co hydrogenation with molybdenum on wide-pore carbon catalysts |
11/16/1989 | WO1989010913A1 Method of preparing aryl esters of acetic acid |
11/16/1989 | WO1989010912A1 Method of preparing aromatic ethers from iodoaromatic compounds |
11/16/1989 | WO1989010911A1 The production of alcohols and ethers by the catalysed hydrogenation of esters |
11/16/1989 | WO1989010910A1 Manufacture of alkylbenzenes |
11/15/1989 | EP0342084A1 Process for the preparation of methyl acetate from methyl formiate |
11/15/1989 | EP0341907A1 The production of alcohols and ethers by the catalysed hydrogenation of esters |
11/15/1989 | EP0341813A1 Reactor and Process for the oxidation of alkyl aromatic compounds to aromatic carboxylic acids. |
11/15/1989 | EP0341773A1 Process for the preparation of lactones |
11/15/1989 | EP0341694A2 Method for production of 3-exomethylenecepham derivatives |
11/15/1989 | EP0341548A2 Process for the preparation of vicinal diacyloxysubstituted compounds |
11/15/1989 | EP0341514A2 Process for the preparation of asymmetrical biaryle compounds |
11/15/1989 | EP0341393A1 Method for the single step synthesis of methyl-tert.butyl ether from tert.butanol using supported rhenium catalysts |