Patents for C07B 61 - Other general methods (69,072)
10/1989
10/24/1989US4876372 Method for preparing epichlorohydrins
10/24/1989US4876368 Recycling heavier condensation products
10/24/1989US4876362 Catalytic hydrogenation of thienyl-acetonitrile in basic solution
10/24/1989US4876350 Process for the production of (+) biotin
10/24/1989US4876047 Reacting nonolefinic compound anhydrously with sulfonating agent, then with nitrile and water
10/19/1989WO1989009810A1 Olefins etherification and conversion to liquid fuels with paraffins dehydrogenation
10/19/1989WO1989009762A1 Transesterification of alkoxyesters
10/19/1989WO1989009761A1 Process for preparation of an oxyacetic acid/hydroxyethyl ether compound
10/19/1989WO1989009760A1 Etherification of extracted crude methanol and conversion of raffinate
10/19/1989WO1989009759A1 Extraction of crude methanol and conversion of raffinate
10/19/1989WO1989009748A1 Synthesis of a crystalline molecular sieve
10/19/1989WO1989009572A1 Reciprocating dental tool
10/18/1989EP0337942A1 Liquid substituted 2H-benzotriazole mixtures
10/18/1989EP0337839A1 Process for the preparation of lower dialkyldisulfides
10/18/1989EP0337837A1 Process for the preparation of organic disulfides and polysulfides
10/18/1989EP0337803A1 Catalyst recycle in the carbonylation of isobutylphenylethanol to ibuprofen
10/18/1989EP0337779A2 Process for the production of acrylonitrile
10/18/1989EP0337665A2 Process for preparing 4-demethoxydaunomycinone
10/18/1989EP0337652A1 Superior catalysts for preparation of 3-amino-2,2,4,4-tetramethylthietane via the Leuckart reaction
10/18/1989EP0337572A2 Process for the preparation of alkanediols
10/18/1989EP0337434A2 Process for preparing diphenol monoesters substituted with aryl groups
10/18/1989EP0337239A2 Use of alkaline earth salts of polycarboxylic acid monoesters as alkoxylation catalysts
10/18/1989EP0337210A1 Process for the preparation of carboxylic-acid halides
10/18/1989EP0337197A1 Rhodium colloid, method of making, and use
10/18/1989EP0337186A1 Preparation of promoted silica catalysts
10/18/1989EP0337116A1 Process for the preparation of urethdione and isocyanurate group-containing polyisocyanate compositions
10/18/1989EP0337083A2 Process for the preparation of esters of omega enoic acids
10/18/1989EP0337063A1 Alkyl aryl sulfones and method of preparing the same
10/18/1989EP0206054B1 Method for the production of carboxylic acids
10/18/1989EP0198351B1 Catalytic oxidation with n-hydroxydicarboxylic acid imides
10/18/1989EP0166695B1 Process for the preparation of glycidyl thioethers
10/17/1989US4874900 Condensing citral with ketone using lithium hydroxide catalyst
10/17/1989US4874896 Process for the production of alkylamines
10/17/1989US4874893 Using sulfuric acid and specified conditions
10/17/1989US4874890 Direct substitution from heavy water or deuterium gas in presence of platinum group catalyst
10/17/1989US4874889 Isomerization of 2-pentenoates to 3-pentenoates
10/17/1989US4874885 Reacting phenols with formaldehyde and mercaptans in presence of base
10/17/1989US4874879 Process for starting-up an ethylene oxide reactor
10/17/1989US4874877 Process for optically active 3-(methane-sulfonyloxy)thiolane and analogs
10/17/1989US4874876 Acylating thiophene, reducing, hydrolyzing
10/17/1989US4874739 Silver-containing catalyst, process for the preparation of the catalyst and the catalyst prepared by the process
10/17/1989US4874557 Process for the preparation of perfluorinated carbonyl fluorides
10/17/1989CA1262362A1 Process for the preparation of hydrocarbons
10/17/1989CA1262361A1 Process for the preparation of methanol in liquid phase
10/12/1989EP0358763A4 Method of obtaining butene-1.
10/11/1989EP0336823A1 Process for the production of olefines from natural gas
10/11/1989EP0336592A1 Process for the production of nitriles and oxides
10/11/1989EP0336558A1 Novel organic phosphorous derivatives and manufacturing processes therefor
10/11/1989EP0336314A2 Promoter synergism in pentenenitrile hydrocyanation
10/11/1989EP0336263A2 Process for the preparation of fatty alcohol polyglycol ethers with reduced residual EO or PO content
10/11/1989EP0336216A1 Process for the preparation of monocarboxylic acid anhydrides
10/11/1989EP0336215A1 Supported catalyst for the preparation of anhydrides of monocarboxylic acids
10/11/1989EP0336184A1 Monoformylated 3,3'-diaminopropyl amine, process for its preparation and its use
10/11/1989EP0336146A2 Process for the preparation of the 2-(2-hydroxy-ethoxy)ethanol ester of flufenaminic acid
10/11/1989EP0336134A2 Process for producing mono-ortho-tert-butyl-aniline using silica-alumina catalysts
10/11/1989EP0336123A2 New chiral phosphinopyrrolidine compounds and their use for asymmetric synthesis of optically active compounds
10/11/1989EP0335953A1 Process for producing polybrominated higher alkylbenzenes
10/11/1989CN1036199A Method for pure dimethyl ether prodn.
10/11/1989CN1036198A Prepn. for bisphenol a
10/11/1989CN1036197A Liquid-phase process for oxyiodination of naphthalene
10/10/1989US4873391 Process for producing isobutylene
10/10/1989US4873388 Catalyst comprising an oxycompound of boron or phosphorus supported on a non-reducible metal compound
10/10/1989US4873386 Selective production of 2,6-diethylnaphthalene
10/10/1989US4873381 Hydrodehalogenation of CF3 CHClF in the presence of supported Pd
10/10/1989US4873379 Reacting an epoxide with synthesis gas in the presence of a rhodium catalyst and an alkali metal compound
10/10/1989US4873376 Process for the production of monomeric alkenylphenols from dihydroxydiphenylalkanes
10/10/1989US4873373 Process for preparation of 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethers
10/10/1989US4873368 Process for producing acrylic acid
10/10/1989US4873366 Process for producing 2,6-naphthalenedicarboxylic acid
10/10/1989US4873365 Process for the preparation of isophorone diisocyanate from isophorone dicarbamyl esters using highly selective SnO2 or CuO catalysts
10/10/1989US4873363 Three step process from p-bromobiphenylbenzylketone
10/10/1989US4873362 Reacting an acyloxyacetaldehyde with an aldehyde using an amine and acid catalyst system
10/10/1989US4873356 Angiotensin converting enzyme inhibitors
10/10/1989US4873349 Ruthenium catalyst for biarylic coupling; new steganolides
10/10/1989US4873267 Process for the production of methanol and a composition suitable for use as a catalyst in said process
10/05/1989WO1989009357A1 Seal for rotatable shaft
10/05/1989WO1989009185A1 New zeolite ssz-26
10/04/1989EP0335801A2 Process for the preparation of trifluoromethylvinyl derivatives from the corresponding halovinyl derivatives
10/04/1989EP0335754A1 Process for the presulfurisation and activity control of a hydrocarbon treatment catalyst
10/04/1989EP0335674A2 Selective process for preparing 2,4- or 3,6-di-substituted phenol compounds
10/04/1989EP0335628A2 Method and system for automated synthesis of chemical products
10/04/1989EP0335625A2 Process for preparing carboxylic acids
10/04/1989EP0335501A1 Method for reactivating a group VIII noble metal catalyst for use in the purification of crude terephthalic acid
10/04/1989EP0335393A1 Process for manufacture of N-(polyoxyalkyl)-N-(alkyl)amines
10/04/1989EP0335336A2 Catalytic hydrogenation of crude methylene bridged polyphenylamines to produce polycyclohexylamines
10/04/1989EP0335295A2 Process for the preparation of esters of carboxylic acids and alkylene glycol ethers, and their use
10/04/1989EP0335272A2 Hydrogenation of aromatic amines to produce their ring hydrogenated counterparts
10/04/1989EP0335222A1 Process for the preparation of nickel-aluminium oxide zirconium dioxide catalyst compositions
10/04/1989EP0335130A1 Mixed basic metal oxide catalyst
10/04/1989EP0334951A1 High yield method for preparation of dialkyl esters of polyhaloaromatic acids
10/04/1989EP0334941A1 Increasing the level of 2-methyl-2-butene in isoamylene
10/04/1989CN1036012A Selective epoxidation of olefins
10/03/1989US4871882 Process for the preparation of decabromodiphenyl ether with improved thermal stability
10/03/1989US4871880 Of an unsaturated alcohol or aldehyde using hydrogen and carbo n monoxide in the presence of a rhodium compound and a tris(su bstituted phenyl) phosphite
10/03/1989US4871879 Rhodium recovery from hydroformylation reaction product
10/03/1989US4871878 High selectivity to aldehydes using aromatic phosphine in catalyst
10/03/1989US4871858 Method of producing formamide compounds
10/03/1989US4871851 Cyano-trichloro-pyrido-pyrimidine and a process for preparing cyano-trichloro-pyrido-pyrimidine
10/03/1989US4871707 Method for preparing a catalyst for the synthesis of 1,2-dichloroethane
10/03/1989US4871706 Catalyst for the ammoxidation of paraffins