Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
02/1981
02/17/1981US4251457 Process for purification of the off-gases resulting from the production of benzoyl chloride from phosgene
02/17/1981US4251451 Diluting reaction mixture to prevent foaming and solidification during hydrogen evolution
02/17/1981US4251450 Nitrogen transhalogenation process
02/17/1981US4251401 Suspensions of isocyanate distillation residues in polyols
02/17/1981US4251393 Attrition resistant catalysts
02/17/1981US4251341 Photoinitiators for UV-curable systems
02/17/1981US4251325 Purification by distillation and stripping using trays
02/17/1981CA1095935A1 Method for recovering resorcinol
02/17/1981CA1095934A1 Process for producing phenoxy-alkanol-amine derivatives
02/17/1981CA1095931A1 Process for the preparation of p-aminomethyl-benzene- sulfonamide derivatives
02/17/1981CA1095930A1 Process for the preparation of new derivatives of taurine having a reinforced neuro-muscular activity
02/17/1981CA1095929A1 Process for making ether sulfonates
02/17/1981CA1095928A1 Process for preparation of diacetoxybutene
02/17/1981CA1095923A1 2-hydroxy-3-naphthoic acid amides
02/17/1981CA1095917A1 Method for making organic polycarboxylic acids
02/17/1981CA1095896A1 Peptide or protein sequencing method and apparatus
02/17/1981CA1095884A1 Catalyst for hydrogenolysis of n,n-dimethyl-3,5- ditert. butyl-4-hydroxybenzylamine
02/17/1981CA1095735A1 Herbicidal compositions
02/11/1981EP0023890A1 Oxime ethers and oxime esters of diphenyl ethers, process for their preparation, and their use in herbicidal compositions
02/11/1981EP0023849A2 Substituted pentenoic acid, preparation thereof, its application in the preparation of substituted cyclopropane derivatives
02/11/1981EP0023794A1 Solvent composition, method of inhibiting the decomposition of 1,1,1-trichloroethane and method of degreasing articles
02/11/1981EP0023774A1 Process for isolating methacrylic acid by extraction
02/11/1981EP0023730A1 Cyclohexylcyclohexanoates, process for their preparation and liquid-crystal mixture containing them
02/11/1981EP0023726A1 2,5-disubstituted-3 substituted methyl-penta-2,4-dienoic acid and derivatives and process for their preparation
02/11/1981EP0023699A1 Process for the preparation of cyclohexanone
02/11/1981EP0023686A2 (Meth)acrylic esters of tricyclic decandiols that contain ether groups, process for their preparation and use in the manufacture of adhesive and sealing compositions
02/11/1981EP0023669A1 Anilides of cycloalkyl- or cycloalkenyl-carboxylic acids, process for their preparation and their use as fungicides
02/11/1981EP0023649A1 Process for preparing alicyclic isocyanates
02/11/1981EP0023647A1 Process for the preparation of halogenated benzoyl fluorides
02/11/1981EP0023598A1 Process for the preparation of 1,1-dichloro alkenes
02/11/1981EP0023584A1 Process for the preparation of trifluoromethyl naphthalenes
02/11/1981EP0023578A1 Aminoalkylbenzene derivatives, process for their preparation and pharmaceutical compositions
02/11/1981EP0023572A1 Process for the production of mixtures of alkylated aromatic polyhydroxy compounds, these mixtures of products and their use in the production of polycarbonates
02/11/1981EP0023545A1 Process for the preparation of aromatic peroxy acids
02/11/1981EP0023540A2 Chlorinated hydrocarbons stabilized against decomposition by water, optionally mixed with ether, and fillings for aerosol containers prepared therefrom
02/10/1981USRE30510 Reacting aluminum chloride or bromide and an aliphatic acid
02/10/1981US4250344 Cracking process for styrene
02/10/1981US4250343 Dehydration of the alkanediol using neutral sodium, lithium, barium, or strontium pyrophosphate as catalyst
02/10/1981US4250341 2,2,6,6-Tetrachloro (or bromo) cyclohexane and pyrogallol
02/10/1981US4250340 Process for preparing aralkyl halides
02/10/1981US4250339 Process for producing methacrolein
02/10/1981US4250337 From crude hydroxypivaldehyde containing the monoisobutyric acid ester of neopentyl glycol in the presence of water; high purity
02/10/1981US4250336 Process for the manufacture of resorcinols from δ-ketocarboxylic acid esters
02/10/1981US4250335 Using dibutyl ether and water to separate the 2,3,5-p-quinone intermediate, the cobalt complex catalyst, and the dimethylformamide solvent; liquid phase hydrogenation
02/10/1981US4250334 Method of synthesizing fluoromethylhexafluoroisopropyl ether
02/10/1981US4250333 Process for the selective monoetherification of pyrocatechol
02/10/1981US4250332 Process for preparing acyl trimethyl cyclohexene derivatives and use of intermediates therefor in augmenting or enhancing the aroma or taste of a consumable material
02/10/1981US4250328 Removal of unreacted methanol as a methyl isobutyrate- or methacrylate-alcohol azeotrope
02/10/1981US4250193 Cosmetics
02/10/1981US4250183 Gastointestinal disorders; diseases of the pancreas, gall bladder, and liver
02/10/1981US4250123 Chemical intermediates for fungicides
02/10/1981US4250120 5-isopropyl-8-methyl-bicyclo(5.3.0)deca-2,8-diene-2-carboxaldehyde, induces sporulation
02/10/1981US4250119 Process for the production of acetone from isobutyraldehyde
02/10/1981US4250118 From benzene through cyclohexane and cyclohexanol intermediates, reuse of washed by-product hydrogen
02/10/1981US4250117 4-Hydroxy-4-methyl-cyclohexen-2-one-1
02/10/1981US4250116 From carbon monoxide, hydrogen, ammonia, and nitric oxide
02/10/1981US4250113 Chemical compounds
02/10/1981US4250110 From 2-chloro-4-n-(b-diethylaminoethyl)aminocarbonyl-5-methoxy-benzamide
02/10/1981US4250108 Process for preparing (2-oxo-3-bornylidene/methyl)-benzene sulfonic acids
02/10/1981US4250102 Process for the manufacture of aminohydroxyanthraquinones
02/10/1981US4250096 3- and 4-Azidophthalic acid derivatives
02/10/1981US4250092 Derivatives of N-cyano-azomethines and process for their preparation
02/10/1981US4250062 1,4-Epoxy-1,3,3-trimethyl-2-(2-buten-1-ylidene) cyclohexanes as odorants
02/10/1981US4250050 Used in production of emulsion polymers
02/10/1981CA1095536A1 Process for the preparation of hydrocarbons
02/10/1981CA1095535A1 Process for the preparation of hydrocarbons
02/10/1981CA1095533A1 Compositions containing polyamines carrying ether groups
02/10/1981CA1095532A1 Hydroxamic acids and process for making same
02/10/1981CA1095529A1 Manufacture of pent-3-enoic acid and its alkyl esters
02/10/1981CA1095525A1 Cyanomethylphenethanolamines
02/10/1981CA1095514A1 3,5-BISOXYGENATED 2-(.omega.-HALO-3-OXYGENATED-1- ALKENYL)CYCLOPENTANE-1-HEPTANOIC ACIDS AND DERIVATIVES THEREOF
02/10/1981CA1095491A1 Catalyst for the oxidation of acrolein and methacrolein to acrylic acid and methacrylic acid respectively
02/10/1981CA1095453A1 Separating water from gas mixtures formed in the manufacture of vinyl acetate
02/10/1981CA1095424A1 Cyclohexene-3-nitriles as perfume
02/04/1981EP0023385A1 Ethanamine derivatives, their preparation and use in pharmaceutical compositions
02/04/1981EP0023379A2 Method for the preparation of cyclohexanol and/or cyclohexanone
02/04/1981EP0023370A1 Process for the recovery of isoprene, and isoprene so recovered
02/04/1981EP0023325A1 Catalyst for the preparation of bisphenols
02/04/1981EP0023303A1 Process for the production of lower olefins from mixtures of methanol and water
02/03/1981US4249022 Process for the manufacture of 1,4-disubstituted bicyclic or tricyclic compounds and new 1,4-disubstituted bicyclic compounds
02/03/1981US4249020 Reacting in presence of calcined niobium-vanadium-molybdenum catalyst
02/03/1981US4249019 Catalytic oxidation of aldehyde and esterification with alcohol
02/03/1981US4249015 Oxidation of trihaloalcohols
02/03/1981US4249003 Using cyclic alkylene sulfates
02/03/1981US4249002 Polycyclic amines and intermediates therefor
02/03/1981US4248957 Enol ether containing compound of which the solubility in developer increases on cleavage
02/03/1981US4248891 1-(1-Aminoalkyl)tricyclo[4,3,1,12,5 ]undecanes
02/03/1981US4248890 L-Cysteine derivatives and medicaments containing them
02/03/1981US4248889 Inhibitors of cholesterol biosynthesis
02/03/1981US4248886 Combating fungi with N-oxalyl-N-phenyl-aminoacids and esters thereof
02/03/1981US4248869 Fungicides
02/03/1981US4248802 Catalytic hydroformylation of olefins
02/03/1981US4248801 Hydrogenating unsaturated nitrile, nickel catalyst, hydroxymethylation agent
02/03/1981US4248794 Acylation of diaminophenyl ether
02/03/1981US4248779 Process for producing thiolcarbamates
02/03/1981US4248773 Acetoacetamide diazo dyestuffs
02/03/1981US4248723 Acetal derivatives as extreme pressure additives for lubricants
02/03/1981US4248673 Process for obtaining colorless and stable isophorone
02/03/1981US4248621 1-Methyl-3-formyl-3-substituted ureas
02/03/1981US4247987 Continuous countercurrent fluid-solids contacting process stabilized by a magnetic field