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)
06/1990
06/27/1990EP0375554A2 Process for producing optically active threo-dihydroxyphenylserine derivatives
06/27/1990EP0375417A2 Process for preparing optically active carnitine ester
06/27/1990EP0375355A2 Process for the catalytic reforming of alkylene amines to linearly-extended polyalkylene polyamines
06/27/1990EP0375333A2 Method for the reductive methylation of primary amines
06/27/1990EP0375278A2 Automated system for polynucleotide synthesis and purification
06/27/1990EP0375267A2 Production of ethanolamine by amination of ethylene oxide over acid activated clays
06/27/1990EP0375257A2 Catalytic preparation of linear polyethylenepolyamines
06/27/1990EP0375202A1 Oxychlorination catalyst composition and an oxychlorination process using it
06/27/1990EP0374999A2 Use of oligomers of alkenyl groups-substituted aromatics as co-agents
06/27/1990EP0374922A2 Process for the production of 3,5,6-trihydroxyhexanoic acid derivative
06/27/1990EP0374699A1 Process for the preparation of polyglycerines
06/27/1990EP0374687A2 Isomerization of carboxylic acids
06/27/1990EP0374622A2 3,4-Bis-(methylamino)-6-(2,3-dimethyl-2-butyl)-1,2,4-triazin-5(4H)-one, process for its preparation and its use as a herbicide
06/27/1990EP0374615A2 Process for the separation of organometallic compounds and/or metal carbonyls from their solution in organic media
06/27/1990EP0374416A1 Process for preparing 2,6,6-trimethyl cyclohex-2-ene-1,4 dione
06/27/1990EP0374206A1 New zeolite ssz-26.
06/27/1990EP0282561B1 Catalytic process for making compounds having a non-lewis acid/base group iiia metal to group va nonmetal bond
06/27/1990EP0248074B1 Process for the co-production of aromatic carboxylates and alkyl iodides
06/27/1990CN1043316A Method of producing ethylenediamines
06/27/1990CN1043312A Process for preparing levulinic acid
06/27/1990CN1008514B Modified silver catalyst containing fluorine
06/27/1990CA2005943A1 Process for catalyst recovery
06/27/1990CA2004831A1 Process for the preparation of 1,1-dichloro-1-fluoroethane
06/26/1990US4937395 Process for the preparation of fluorobenzenes
06/26/1990US4937391 Process for preparing perfluoro-(2-bromoethyl-vinyl-ether)
06/26/1990US4937386 4,4,5-trimethyl-2-(2-nitro-4-methylsulfonylbenzoyl) cyclohexane-1,3-dione
06/26/1990US4937385 Process for the manufacture of dialkyl disulfides and polysulfides
06/26/1990US4937384 Process for the production of amines
06/26/1990US4937382 Reducing 2-(o-nitrophenyl)ethanol with hydrogen in presence of raney nickel catalyst and alkali metal hydroxide
06/26/1990US4937379 Carboxylic acid synthesis process
06/26/1990US4937377 Heating in a solvent selected from dimethylacetamide, methyl pyrrolidone and quinoline
06/26/1990US4937376 Using oxidation catalyst mixture of metal salt, and (hydro)quinone
06/26/1990US4937375 (Phenylethenyl)phenylpropionic acid and its ester, and method for producing (benzoylphenyl)propionic acid or its ester
06/26/1990US4937374 Useful as fungicides
06/26/1990US4937362 Process for production of α-(4-isobutylphenyl)propionic acid
06/26/1990US4937354 Preparation of 3-(3,4,5,6-tetrahydro-phthalimido)-benzaldehydes
06/26/1990US4937336 Vapor phase hydrogenation and cyclization
06/26/1990EP0356518A4 Method of obtaining i-butene and/or hexenes.
06/26/1990EP0297126A4 Phase transfer catalysis.
06/26/1990CA1270859A1 Dehydrocyclodimerization process
06/26/1990CA1270852A1 Preparation of diamino- and dialkylaminobenzendiols
06/26/1990CA1270849A1 Process for producing highly pure 2,6- diacetoxynaphthalene
06/26/1990CA1270848A1 Phosphorus acid catalyzed phenol esterification
06/24/1990CA2006434A1 Process for the improved production of (meth) acrylic acid esters of polyhydric alcohols (ii)
06/24/1990CA2006433A1 Process for the improved production of (meth) acrylic acid esters of polyhydric alcohols (i)
06/24/1990CA2006432A1 Process for the improved production of (meth) acrylic acid esters of polyhydric alcohols (iv)
06/24/1990CA2006431A1 Process for the improved production of (meth) acrylic acid esters of polyhydric alcohols (iii)
06/24/1990CA2006430A1 Process for neutralization of organic fluids
06/23/1990CA2006390A1 Process for the production of glycosides
06/22/1990CA2004707A1 Low pressure rhodium catalyzed hydroformylation of olefins
06/21/1990CA2005993A1 Process for the production of 3,5,6-trihydroxyhexanoic acid derivative
06/21/1990CA2005989A1 1,4-bis-(methylamino)-6-(2,3-dimethyl-2-butyl)-1,2,4- triazin-5(4h)-one a process for its preparation, and its use as a herbicide
06/20/1990EP0373947A1 Process for producing 1,4-butanediol and tetrahydrofuran
06/20/1990EP0373946A1 Process for producing 1,4-butanediol
06/20/1990EP0373938A2 Formaldehyde resistant catalyst for hydrogenation and hydrogenolysis of aldehydes, acetals, and esters
06/20/1990EP0373741A1 Wax isomerization process using a catalyst with small particles and low fluoride content.
06/20/1990EP0373668A2 A process for the synthesis of ortho-methylated hydroxyaromatic compounds
06/20/1990EP0373579A1 Manufacture of 5-cyanovaleric acid and its esters using cyclic cosolvents
06/20/1990EP0373578A2 Catalyst recovery
06/20/1990EP0373362A1 Method for preparing p-isobutylstyrene
06/20/1990CN1043123A Anhydrous diluents for isobutylene oxidation reaction to methacrolein and methacrolein oxidation to methacrylic acid
06/20/1990CN1043122A Treatment of acetic acid with hydrogen in presence of hydrogenation catalyst
06/20/1990CN1043121A Process for hydroformylation of olefinically onsaturated organic reactants using supported aqueous phase catalyst
06/20/1990CN1043096A Basic metal-zeolite compositions, their preparation and use in base catalyzed reactions
06/20/1990CN1008441B Method for eliminating reentry disulfides in mercaptan extraction
06/20/1990CA2005964A1 Catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines
06/19/1990US4935576 Polybutene process
06/19/1990US4935562 Method for producing 4,4'-dibromobiphenyl
06/19/1990US4935553 Process for preparing bisphenol A
06/19/1990US4935552 Olefin hydration/etherification reactions in the presence of recycled ether in first stage zone
06/19/1990US4935550 Catalytic metal recovery from non-polar organic solutions
06/19/1990US4935549 Process for producing acetic acid
06/19/1990US4935547 Catalyst system containing ruthenium, cobalt, a halide compound, and an aromatic compound substituted in adjacent ring positions by nitrogen atoms
06/19/1990US4935541 Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic anhydride
06/19/1990US4935525 Process for the industrial synthesis of (2S, 3aS, 7aS) 2-carboxy perhydroindole, application to the industrial synthesis of carboxyalkyl dipeptides
06/19/1990US4935521 Preparation of 3-picoline
06/19/1990US4935398 Process for the production of methanol and a composition suitable for use as a catalyst in said process
06/19/1990CA2005892A1 Method for the reductive methylation of primary amines
06/19/1990CA2000032A1 Catalytic preparation of linear polyethylenepolyamines
06/19/1990CA1270496A1 Process for the reducing fouling in higher olefin plants
06/19/1990CA1270489A1 Process for the preparation of tertiary aromatic amine oxides and products therefrom
06/15/1990CA2004040A1 Formaldehyde resistant catalyst for hydrogenation and hydrogenolysis of aldehydes, acetals, and esters
06/14/1990WO1990006295A1 Preparation of biaryl compounds
06/14/1990WO1990006283A1 Synthetic porous crystalline material, its synthesis and use
06/14/1990CA2005545A1 Method for predicting biological activity of antibiotics
06/14/1990CA2005424A1 Process for producing 1,4-butanediol
06/14/1990CA2005392A1 Process for preparing trifluoreothoxy aryl ketones
06/13/1990EP0373151A2 Process for producing 2-(4,4'-bis-(dimethylamino)-benzhydryl)-5-dimethyl-aminobenzoic acid
06/13/1990EP0373082A1 Process for preparing levulinic acid
06/13/1990EP0372993A1 Treatment of acetic acid with hydrogen in the presence of a hydrogenation catalyst
06/13/1990EP0372847A2 Ester production by hydrogenation of carboxylic acids and anhydrides
06/13/1990EP0372621A1 Preparation of difluorobenzenes containing electron withdrawing substituents
06/13/1990EP0372615A2 Hydroformylation process
06/13/1990EP0372492A2 A process for the preparation of hexamethylene imine
06/13/1990EP0372468A1 Dehydrogenation process and catalyst
06/13/1990EP0372341A2 Method for the preparation of chloro-organosilanes
06/13/1990EP0372313A2 Sulfonated phenyl phosphine-containing complexes
06/13/1990EP0371995A1 Process for producing phenylhydroquinones.
06/13/1990DE3841800A1 Verfahren und katalysator zur dehydrierung oder dehydrozyklisierung von kohlenwasserstoffen Process and catalyst for dehydrogenation or dehydrocyclization of hydrocarbons
06/13/1990CN1042906A Process for preparing quinolone carboxylic acid intermediates
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