Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
01/1989
01/18/1989EP0299614A2 Halocarbon blends for refrigerant use
01/18/1989EP0299594A1 Pharmaceutical use of aromatic thioethers
01/18/1989EP0299577A2 Process for the preparation of alcoholates
01/18/1989EP0299559A1 Process for the preparation of 2-aryloxypropionic acids
01/18/1989EP0299434A2 High pH recovery of neutral amino acids
01/18/1989EP0299424A2 Thiosulfinic-acid derivatives, and the use of thiosulfin-acid derivatives for the manufacture of a medicament for the treatment of inflammatory diseases
01/18/1989EP0299370A2 Sulphatizated hydroxy-mixed ethers, process for their preparation and their use
01/18/1989EP0299360A2 Hydroxy-mixed ethers, method for their production and their application
01/18/1989EP0299350A2 Anthracyclin derivatives with cytostatic activity
01/18/1989EP0299330A1 Process for making decabromodiphenyl oxide
01/18/1989EP0299329A2 Process for the preparation of 2-arylthiobenzoic acids
01/18/1989EP0299313A1 Pesticide based or derivatives of 2,3-diaminomaleonitrile
01/18/1989EP0299289A1 Process for the continuous ozonisation of unsaturated organic compounds
01/18/1989EP0299270A1 Bromination process
01/18/1989EP0299239A2 Process for purifying phenol
01/18/1989EP0299157A2 Method for partial condensation of hydrocarbon gas mixtures
01/18/1989EP0299107A1 Process for separating and obtaining dicaffeylquinic acids
01/18/1989EP0299034A1 Process for the preparation of compounds with antiulcer action.
01/18/1989EP0299026A1 Process for the co-production of aromatic carboxylates and alkyl iodides.
01/18/1989CN1030407A Process for manufacturing methallyl chloride
01/17/1989US4798915 Process for the extraction of paraffins from mixtures thereof with alkane-sulfonic acids
01/17/1989US4798914 Process for the production of vinyl chloride through thermal cracking of 1,2-dichloroethane
01/17/1989US4798906 Preparation of alkoxy halides
01/17/1989US4798905 Sulphenylated carbamic acid esters, a process for their preparation and their use
01/17/1989US4798899 Combating fungi with novel azolyl-tetrahydrofuran-2-ylidene-methanes
01/17/1989US4798895 Process for preparing levomepromazine hydrogen maleate
01/17/1989US4798843 Hypotensive agents
01/17/1989US4798818 Aluminum fluoride, transition metal compound, hydrogen fluoride
01/17/1989US4798816 Process for increasing the selectivity of an alkylation catalyst for monoalkylation
01/17/1989US4798674 Alcohol, oxygenate, membranes, concentration
01/17/1989US4798654 Process for preparing bisphenol A
01/17/1989CA1248974A1 Process for the preparation of pure alkyl tert.-alkyl ethers and hydrocarbon raffinates which are largely free from isoolefins and from alkanols
01/17/1989CA1248973A1 Process for the preparation of tertiary-butyl hydroperoxide
01/17/1989CA1248972A1 Process for the preparation of tertiary-butyl hydroperoxide
01/17/1989CA1248971A1 Recovery of glycerine from saline waters
01/17/1989CA1248970A1 Process for the synthesis of phenol
01/17/1989CA1248967A1 Process for the preparation of a phenylalkylaminoethylsalicylamide
01/17/1989CA1248965A1 Sulphenylated carbamic acid esters, a process for their preparation and their use
01/17/1989CA1248949A1 Guanidine derivatives
01/17/1989CA1248943A1 Fluorophenoxyphenoxypropionates and derivatives thereof
01/17/1989CA1248934A1 Method of preparing a catalyst for the synthesis of 1, 2-dichloroethane
01/17/1989CA1248931A1 Zeolite l preparation
01/17/1989CA1248745A1 N-methyl-pyrrolidone and chlorofluorinated hydrocarbons stable mixtures
01/17/1989CA1248706A1 N,n-diethyl-n'-aryl-n'-(dichlorofluoromethylthio)- sulphamides, a process for their preparation and their use
01/12/1989DE3821317A1 Thioharnstoffderivate Thiourea
01/11/1989EP0298919A2 4-amino-substituted 1,2-dihydroxynaphthalene derivatives
01/11/1989EP0298870A1 Process for the synthesis of perfluoroalkyl bromides
01/11/1989EP0298867A2 Process for the preparation of dialkyl aminoalkyl (meth)acrylate
01/11/1989EP0298830A1 Process for perfluoroalkylation of acids anhydrides
01/11/1989EP0298803A1 Process for the perhaloalkylation of aromatic derivatives
01/11/1989EP0298695A2 Tartaric acid amide derivative and method of producing the same
01/11/1989EP0298662A1 Gas-phase fluorination process
01/11/1989EP0298640A1 A new antimicrobial agent, fr 109615 and production thereof
01/11/1989EP0298636A1 Process for the production of carbamates
01/11/1989EP0298583A1 Aromatic thioethers
01/11/1989EP0298572A1 Process for the preparation of a basic salt, salt thus prepared and oil compositions containing such a salt
01/11/1989EP0298543A2 Thiapentanamide derivatives
01/11/1989EP0298480A1 Process for the optical resolution of (+)-cis or (+)-trans-permethric acid
01/11/1989EP0298478A2 Method for the production of alpha-gluoroketones
01/11/1989EP0298404A2 Sulfon polyenes
01/11/1989EP0298380A2 Process for the preparation of alpha-beta-substituted acroleins
01/11/1989EP0298336A1 Aromatic polyisocyanates, process for their preparation and their use as components of adhesives
01/11/1989EP0298296A1 Polyalkylene glycol-naphthyl-3-sulfopropyl diethers and their salts, process for the preparation of these compounds and their use in the galvano technique
01/11/1989EP0298261A1 Process for the preparation of salts of aminomalonic dinitrile
01/11/1989EP0298117A1 Process for the co-production of aromatic carboxylates and alkyl iodides.
01/11/1989EP0183727B1 Two stage process for catalytic conversion of olefins to higher hydrocarbons
01/11/1989EP0157883B1 Process for preparing prostaglandin d 2?'s
01/11/1989CN1030233A Improvements in or relating to carbemate derivatives
01/10/1989US4797506 Antiulcer agents
01/10/1989US4797504 Method and composition for inhibiting acrylate ester polymerization
01/10/1989US4797491 Spacers; biochemical
01/10/1989US4797481 Detergents, cosmetics
01/10/1989US4797429 Bromine-containing polyols
01/10/1989US4797427 Esterification, hydrogenation
01/10/1989US4797416 Applying to plants
01/10/1989US4797382 Hydrogenation catalyst and process for preparing the catalyst
01/10/1989US4797345 Light-sensitive 1,2-naphthoquinone-2-diazide-4-sulfonic acid monoesters of cycloalkyl substituted phenol and their use in light-sensitive mixtures
01/10/1989US4797228 Difluorobenzene cyclohexanes, dielectrics, crystal structure
01/10/1989US4797152 Controlling grasses in crops
01/10/1989US4797129 Dye compositions for keratinous fibres containing 2-nitro-metaphenylenediamines
01/10/1989CA1248554A1 Method for increasing hydrogen consumption in hydrocarbon dehydrogenation process using oxidative reheat step
01/10/1989CA1248553A1 Process for preparing non ionic surface agents from glycerol monochlorhydrine; products thus obtained and composition containing them
01/10/1989CA1248550A1 Production of carboxylic anhydrides from methyl carboxylates using rhodium complex catalysts
01/10/1989CA1248549A1 Production of anhydrous carboxylic acids from alcohols using rhodium complex catalysts and organic ester source
01/10/1989CA1248547A1 Diketone generators
01/10/1989CA1248544A1 Process for the preparation of polyisocyanates with biuret structure
01/10/1989CA1248536A1 Benzoil acid derivatives
01/10/1989CA1248533A1 Phenylacetonitrile derivatives
01/10/1989CA1248527A1 Cyclopentyl ethers and their preparation and pharmaceutical formulation
01/10/1989CA1248525A1 Carbacyclins, process for their manufacture and their use as medicaments
01/10/1989CA1248521A1 10,11-dihydro-5h-dibenzo [a,d] cycloheptadiene derivatives, their preparation and their use
01/10/1989CA1248515A1 Molded iron catalyst material, its preparation and its use
01/10/1989CA1248512A1 Process for the preparation of a cayalyst mixture and its use
01/10/1989CA1248507A1 Titanium-aluminum-phosphorous-silicon-oxide-molecular sieve compositions
01/10/1989CA1248343A1 Stable forms of polyalkylaromatic sulfonates
01/10/1989CA1248340A1 Olefin sulphonate composition
01/10/1989CA1248325A1 Purification apparatus and method employing a regenerable ligand
01/05/1989DE3820595A1 Organische salze enthaltend zwei bis vier cyclische oder acyclische amidinreste und ihre verwendung als basenvorlaeufer, insbesondere in waermeentwickelbarem aufzeichnungsmaterial Organic salts containing two to four cyclic or acyclic amidine and their use as basenvorlaeufer, recording material, especially in heat-developable
01/04/1989EP0298032A2 Anthrachinoylcarboxylic acid hydrazide, curable compositions and their use
01/04/1989EP0298031A1 Substituted anthraquinones and curable compositions