Patents
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Patents for C07B 61 - Other general methods (69,072)
05/1990
05/02/1990EP0366177A1 Improved process for preparing di-alkyl carbonates
05/02/1990EP0365971A2 Method for the production of (substituted) benzyl-benzenes
05/02/1990EP0365970A2 Process for the preparation of cyclopropanamide
05/02/1990EP0236348B1 Carbonylation process for the production of aromatic acids
05/02/1990CN1041761A Transition metal complex catalyzed precursor composition
05/02/1990CA2002048A1 Process for the specific synthesis of novel dithiocarbamic acid eesters by substitution of the hydroxylated sites on mono- or polyhydroxylated molecules, products obtained by thisprocess and uses of the same
05/02/1990CA2001968A1 Process for the preparation of branched 1,3-glycols and their monoesters
05/01/1990US4922049 Synthesis of cis-olefins
05/01/1990US4922027 Acid cyclization of enol esters
05/01/1990US4922019 Derivatives of 2,2-bis-(3-aminophenyl)hexafluoropropane and process for the preparation of 2,2-bis-(3,4-diaminophenyl)hexafluoropropane
05/01/1990US4922014 Process for the preparation of oxethylmercaptobenzaldehydes and their oxidation products
05/01/1990US4922013 Acetic acid, acetic anhydride
05/01/1990US4922009 Stereoconvergent process for preparing optically active carboxylic acids
05/01/1990US4922006 Process for the preparation of L-phosphinothricine (derivatives) and also of their alkyl esters
05/01/1990US4921988 Rhodium catalyst, base, allylamine
05/01/1990US4921978 Dehydroxylation with oxalyl chloride and mercaptopyridine oxide
05/01/1990US4921966 Process for the preparation of liquid mixtures of alkylated 2-(2-hydroxyphenyl)benzotriazoles
05/01/1990CA1268487A1 Process for propylene dimerization
05/01/1990CA1268486A1 Process for the preparation of (2,2)-paracyclophane
05/01/1990CA1268485A1 Method for the synthesis of iodobenzene
05/01/1990CA1268484A1 Method for the synthesis of iodobenzene
05/01/1990CA1268480A1 Dithiol synthesis
05/01/1990CA1268478A1 Process for the preparation of 2-perfluoropropoxy- perfluoropropinol fluoride
04/1990
04/25/1990EP0365440A1 Method of destroying peroxides in acetone
04/25/1990EP0365403A1 Process for the preparation of trifluoroethanol
04/25/1990EP0365383A1 Method of hydroxycarbonylation
04/25/1990EP0365382A1 Aminocarbonylation process
04/25/1990EP0365296A1 Manufacture of 1,1,1,2-tetrafluoroethane
04/25/1990EP0365206A2 Alkylation of halodisilanes
04/25/1990EP0365181A1 Chemical process and catalyst to be used therein
04/25/1990EP0365147A1 Catalyst for hydrocarbon conversion and conversion process utilising the same
04/25/1990EP0365083A1 Continuous process for preparing di-alkyl carbonates
04/25/1990EP0364877A1 Process for the preparation of Bis(4-chlorphenyl) sulfone
04/25/1990EP0364876A1 Process for the preparation of Bis(4-hydroxyphenyl)sulfone
04/25/1990EP0364815A2 Recovery of BF3 from olefin oligomer process
04/25/1990EP0364808A2 Process for preparing dihydroxydiaryl alkanes
04/25/1990EP0364697A1 Process for preparing ether-carboxylic acids and salts
04/25/1990CN1041599A Process for directly preparing alkylglycoside
04/25/1990CN1041591A Ethylene oxide process
04/25/1990CN1041590A Process for preparing benzotriazole derivatives
04/25/1990CN1041541A Catalysts
04/25/1990CN1007703B Thioresistant catalyst for methane production or mixture containing methane gas
04/25/1990CA2001421A1 Process for the preparation of 1,1,1,2-tetrafluoroethane
04/25/1990CA2000579A1 Preparation of biaryl compounds
04/24/1990US4920231 Reacting with trifluoroacetic acid with halovinyl compound in presence of cuprous salt
04/24/1990US4920222 Reacting a benzophenone and an acetamide in presence of sodium tertiary alcoholate
04/24/1990US4920212 Reacting halogenated silane derivative with metal phenolate using copper catalyst
04/24/1990US4920207 Catalytic hydrogenation with platinum or palladium
04/24/1990US4920058 Method of predetermining the weight ratio of alkenyl succinimide reactants
04/24/1990CA1268189A1 Preparation of ethanol and higher alcohols from lower carbon number alcohols
04/24/1990CA1268187A1 Process for preparing carboxylic acids
04/20/1990CA2000835A1 Chemical process
04/19/1990WO1990003977A1 Process for directly producing alkylglycosides
04/19/1990WO1990003963A1 Process for preparing linearly-extended polyalkylenepolyamines
04/19/1990WO1990003961A1 Process for selective diisopropylation of naphthyl compounds using shape selective acidic crystalline molecular sieve catalysts
04/19/1990WO1990003960A1 Process for selective manufacture of 2,6-dialkylnaphthalenes
04/19/1990WO1990003841A1 Treatment of rhodium catalysts
04/18/1990EP0364378A1 Process for the preparation of methyl hydroquinone
04/18/1990EP0364116A1 Insecticidal compounds
04/18/1990EP0363925A1 Process for preparing 1,2-difluoro-1,1,2,2-tetrachloroethane substantially free of 1,1-difluoro-1,2,2,2-tetrachloroethane
04/18/1990EP0363843A2 Process for the preparation of bis(aminopropoxy)alkanes
04/18/1990EP0363802A2 High volumetric production of methanol in a liquid phase reactor
04/18/1990EP0363643A1 Pesticides based on partially different 2-aryl-substituted 1-10-phenanthrolines, and their preparation
04/18/1990EP0363585A1 N-aryl nitrogen heterocycles
04/18/1990EP0363584A2 Silylation method
04/18/1990EP0363537A1 Catalyst for converting synthesis gas to heavy hydrocarbons, and conversion process
04/18/1990CN1041385A Process for removing impurities from aromatic stream
04/18/1990CN1041365A Process for producing n-phosphono-methylglycine
04/18/1990CN1041358A Monomer containing fluorine, process for preparing them and use
04/18/1990CN1041357A Removel of iodine or iodide impurities
04/18/1990CA2000406A1 Chemical process and catalyst to be used therein
04/17/1990US4918256 Co-production of aromatics and olefins from paraffinic feedstocks
04/17/1990US4918254 Nickel catalyzed displacement reaction
04/17/1990US4918249 Iron sodalite crystalline catalyst
04/17/1990US4918248 Catalytic reduction of carboxylic ester cation exchange resin modified with mercaptan; by-product inhibition
04/17/1990US4918245 Process for preparing bisphenol A
04/17/1990US4918238 Catalytic oxidation of alkanes into alcohol/ketone mixtures
04/17/1990US4918235 Polyurethane chain extenters
04/17/1990US4918221 Process for preparing 2,5-dichlorophenylthioglycollic acid
04/17/1990US4918205 Cyclization with sulfonyl chlorides, basic and phase transfer catalysts
04/17/1990US4918197 Silylation method
04/17/1990US4918194 Reacting corresponding secondary amine with hydrogen peroxide, titanium-silicate catalyst
04/17/1990US4918041 Catalyst for hydrocarbon conversion and conversion process utilizing the same
04/17/1990US4917828 Oxidizing hydrocholanates with alkali metal salt of an oxo acid of halogen in prescence of cerium compound
04/17/1990US4917817 Optical active compound, process for producing same and liquid crystal composition containing same
04/17/1990CA1267912A1 Process for the preparation of 2,4- dihydroxybenzophenone
04/17/1990CA1267911A1 Process for producing 6-hydroxy-2-naphthoic acid
04/14/1990CA2000699A1 Process for preparing linearly-extended polyalkylenepolyamines
04/11/1990EP0363318A1 Process for the preparation of benzotriazole derivatives
04/11/1990EP0363253A1 Mordenite-based catalyst with at least one group VIII metal and its use in the isomerisation of an aromatic C8 fraction
04/11/1990EP0363218A2 Process for producing tricyclodecanecarboxylic acid esters
04/11/1990EP0363202A2 Alkane oxidation process
04/11/1990EP0362902A2 Process and intermediates for beta-lactam antibiotics
04/11/1990EP0362816A1 Cyclopenteneheptanoic acid derivatives and method of preparation thereof
04/11/1990EP0362731A2 Process for the preparation of medicinal particles with modified flow, storage and formulation qualities, and pharmaceutical compositions containing these particles
04/11/1990EP0362671A1 Process for the direct preparation of alkyl glycosides
04/11/1990EP0362667A2 Method of producing alkylated aromatic amines
04/11/1990EP0362654A1 Process for the preparation of diblocked triisocyanate compounds
04/11/1990EP0362651A2 Process for the production of 2,6-dimethylnaphthalene
04/11/1990EP0362638A2 Method of preparing symmetrical and unsymmetrical monoacetals of aromatic 1,2-diketones
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