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)
06/1991
06/12/1991CN1052118A Vicinal di(hetero) alkylene organometalates and processes for production of amines therewith
06/12/1991CN1052110A Promoted amines catalysis
06/12/1991CN1052109A Amines catalysis
06/12/1991CA2073007A1 Process
06/11/1991US5023390 Acylation of 2,4-dimethylisobutyrophenone; hydrogenation, dehydrogenation, cyclization
06/11/1991US5023389 Selectivecy converting branched olefins, separation, oligomerization
06/11/1991US5023384 Process for the preparation of trifluoroethanol
06/11/1991US5023379 Process for the preparation of hydroxyamines
06/11/1991US5023377 Process for preparing fluorinated compounds
06/11/1991US5023369 Process for producing N-phosphonomethylglycine
06/11/1991US5023354 Condensation of an alditol with benzoic aldehyde
06/11/1991US5023346 Process for the production of cyclic carbonic acid esters
06/11/1991US5023342 Cyclic sulfate compounds
06/11/1991US5023341 Acetylene thiochroman
06/11/1991US5023277 Syngas conversion catalyst its production and use thereof
06/11/1991US5023232 Mixtures of bicyclic ethers and fragrance compositions containing same
06/11/1991US5023226 Ruthenium supported catalyst, its preparation and its use in the preparation of substituted or unsubstituted cyclohexylamine and substituted or unsubstituted dicyclohexylamine
06/11/1991US5023066 Process for introduction of silicon atoms instead of aluminum atoms in the crystal lattice of a zeolite of the faujasite type
06/10/1991CA2030179A1 Process for the preparation of pure cyclic phosphoric acid diaryl esters
06/09/1991WO1991009040A1 Method for preparing sterically hindered aryl phosphites
06/09/1991CA2069619A1 Method for preparing sterically hindered aryl phosphites
06/09/1991CA2026939A1 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
06/07/1991WO1991008184A2 1,2-disubstituted 2,6-difluorobenzene compounds and liquid crystal media
06/07/1991CA2046590A1 1,4-disubstituted 2,6-difluorobenzene compounds, and a liquid crystalline medium
06/06/1991CA2031482A1 Phenols and phenols esters hydroxylation process
06/06/1991CA2031444A1 Process for the preparation of 3,4'-dichlorodiphenyl ether
06/06/1991CA2031429A1 Process for the preparation of vinyl acetate
06/05/1991EP0430806A1 Process for the preparation of haloketals from enamines
06/05/1991EP0430804A1 Process and apparatus for the production of aromatic hydrocarbons from aliphatic hydrocarbon charge in a reactor heated by a fluidised bed of particles
06/05/1991EP0430579A2 Fluoroaliphatic-group-substituted esters and method of making the same
06/05/1991EP0430484A2 Ketone derivatives of polyoxypropylene glycols
06/05/1991EP0430001A1 Process for preparing benzaldehydes
06/05/1991EP0429998A1 Process for the preparation of partially fluorinated alcohols
06/05/1991EP0429967A1 Process for the liquid phase chlorination of 1,3-butadiene
06/05/1991EP0429928A2 Polar aprotic catalysts for formation of fluorosilicone fluids
06/05/1991EP0429921A1 Process for preparing 3-methyl-benzylchloride
06/05/1991EP0429848A2 Preparation of 3,4-difluorobenzoic acid by the decarboxylation of 4,5-difluorophthalic anhydride or 4,5-difluorophthalic acid
06/05/1991EP0429800A2 Process for preparing unsaturated carboxylic acid ester
06/05/1991CN1051871A Isomerization catalyst and method for use thereof
06/04/1991US5021607 Titanium containing silicate catalyst
06/04/1991US5021603 Thiuram polysulfide production
06/04/1991US5021593 Ruthenium-optically active phosphine complex
06/04/1991US5021223 Transfer of catalyst
06/04/1991US5021220 Kit for preparing radiodiagnostic examination compositions
06/04/1991US5021146 Reducing NOx emissions with group IIIB compounds
06/04/1991US5021131 Electrochemical coupling of beta-hydroxy carboxylic acids; using a metal alkoxide catalyst and lower alcohol solvent
06/04/1991CA1284664C Phenol alkylation process
06/04/1991CA1284663C Phenol alkylation process
06/04/1991CA1284662C Phenol alkylation process
06/04/1991CA1284661C Reduction of organic sulfur compounds
06/04/1991CA1284658C Process for the carbonylation of ethylenically unsaturated compounds
06/04/1991CA1284656C PROCESS FOR THE PREPARATION OF ESTERS OF .alpha.-ETHYLENICALLY UNSATURATED ALCOHOLS AND .alpha.-ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS
06/04/1991CA1284651C Pharmaceutical compositions containing 5-phenyl-1, 3- dioxoalkenyl compounds
06/02/1991CA2031249A1 Process for producing halogenoacetals from enamines
06/02/1991CA2031247A1 Process and device for producing aromatic hydrocarbons from an aliphatic hydrocarbon load in a particles fluidized bed-heated reactor
06/02/1991CA2031241A1 Intermediates, process for the preparation thereof and their use for the synthesis of vitamins a and e
06/02/1991CA2026938A1 Ketone derivatives of polyoxypropylene glycols
05/1991
05/30/1991WO1991007385A1 Preparation of propenoic acid derivatives
05/29/1991EP0429083A1 Preparation of 4,6-dinitro-2-halo-1,3-benzenediol
05/29/1991EP0429040A2 Process for the preparation of 4-bromophthalic anhydride
05/29/1991EP0428979A2 Carbonylation of allylic butenols and butenol esters
05/29/1991EP0428958A2 Polar aprotic catalysts for formation of fluorosilicone fluids
05/29/1991EP0428854A2 Process for the preparation of 4-(4-isobutylphenyl)-butyraldehyde
05/29/1991EP0428845A1 Silver catalyst for the oxidation of ethylene and process for its preparation
05/29/1991EP0428831A1 Process of preparation of pyridine-3-sulfonic acids
05/29/1991EP0428791A1 Process for using an improved catalyst for dehydrohalogenation
05/29/1991CN1051725A Glutaric acid derivatives and preparations thereof
05/29/1991CN1051724A Process for preparing halogenoalkanes
05/29/1991CA2030983A1 Process for the production of alkylaromatic hydrocarbons from natural gaz
05/28/1991US5019671 Liquid phase isomerization of alkanes
05/28/1991US5019669 Alkylation of organic aromatic compounds
05/28/1991US5019657 Process for the preparation of halophenols
05/28/1991US5019297 Catalysis with hydrogenated palladium
05/28/1991US5019264 Multilayer reverse osmosis membrane of polyamide-urea
05/28/1991CA1284512C PROCESS FOR DIMERIZING .alpha.-OLEFINS
05/28/1991CA1284511C Conversion of methane to higher hydrocarbons
05/28/1991CA1284510C Xylene isomerization
05/28/1991CA1284496C Process for the oxidation of di-, tri-, oligo- and polysaccharides into polyhydroxycarboxylic acids, catalyst used and products thus obtained
05/28/1991CA1284487C Supported metal catalysts and use thereof
05/28/1991CA1284486C Hydrogenation catalyst shapes
05/22/1991EP0428506A2 Zeolite L
05/22/1991EP0428423A2 Aryloxy alkyl benzenes, processes for their preparation and pharmaceutical compositions containing them
05/22/1991EP0428413A1 Method for preparing unsaturated compounds
05/22/1991EP0428343A1 A process for producing an alpha,beta-unsaturated carbonyl compound
05/22/1991EP0428166A1 Process for preparing methylhalides
05/22/1991EP0428081A1 Method for producing diarylmethanes
05/22/1991EP0427965A2 Process for the preparation of cyclohexanol derivatives
05/22/1991EP0427782A1 Terminal chlorination of normal alkane hydrocarbons
05/22/1991EP0396693A4 1-hydroxymethyl polyolefin via hydroformylation
05/21/1991US5017720 Iron salt esterification catalyst, phenothiazine and alkylphenol preservative
05/21/1991US5017719 Esters of arylbisperfluoroalkylcarbinols, and a process for the preparation of these compounds
05/21/1991US5017606 Insecticides, miticides
05/21/1991CA2025904A1 Process for the preparation of 4-bromophthalic anhydride
05/21/1991CA2025269A1 Polar aprotic catalysts for formation of fluorosilicone fluids
05/21/1991CA2025242A1 Polar aprotic catalysts for formation of fluorosilicone fluids
05/20/1991CA2016658A1 Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic anhydride
05/20/1991CA2016657A1 Preparation of 3,4-difluorobenzoic acid by the decarboxylation of 4,5-difluorophthalic anhydride or 4,5- difluorophthalic acid
05/18/1991WO1991007371A1 METHOD FOR THE PREPARATION OF α,β-UNSATURATED KETONES
05/18/1991WO1991007370A1 A METHOD FOR THE SYNTHESIS OF α, β-UNSATURATED KETONES
05/18/1991WO1991007368A1 PREPARATION METHOD FOR α,β-UNSATURATED KETONES
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