Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
02/1980
02/20/1980EP0008256A2 Indane-acetic acid esters, their preparation and medicaments containing them
02/20/1980EP0008174A1 Method of making an organic metal salt or complex
02/19/1980US4189608 Carboxylic acid preparation
02/19/1980US4189603 Process for producing high-quality terephthalic acid suitable for use in direct polymerization
02/19/1980US4189594 Antilipemic
02/19/1980US4189446 From vinyl isocyanate and hydrogen halide
02/19/1980CA1072113A1 Process for the preparation of alpha-phenyl-propionic acid derivatives
02/19/1980CA1072109A1 Process for the manufacture of 1,4-disubstituted bicyclic or tricyclic compounds and new 1,4-disubstituted bicyclic compounds
02/19/1980CA1072072A1 Process for the preparation of unsaturated acids from unsaturated aldehydes
02/12/1980US4188494 Hydrogen fluoride removal from glycolic acid
02/12/1980US4188493 Process for recovering CMOS
02/12/1980US4188492 Process for converting 2,2-dichlorovinylcyclopropanes to dibromovinyl analogs
02/12/1980US4188491 Preparation of therapeutic compounds
02/12/1980US4188490 Palladium on zinc oxide, oxygenated sulfur compound as catalyst modifier
02/12/1980US4188290 Pollution control for fatty acid condensation
02/12/1980US4187902 Heat exchange apparatus
02/12/1980CA1071647A1 Regeneration of vanadium-phosphorus catalyst complex with alkyl phosphates
02/12/1980CA1071646A1 Catalyst vapor phase oxidation of n-butene to maleic anhydride using two different catalysts maintained in two distinct and separate portions of the reaction zone
02/07/1980WO1980000149A1 Process for preparing 3,4,3',4'-benzophenonetetra-carboxylic dianhydride
02/06/1980EP0007834A1 Process for the preparation of optically active alpha-amino acids and their derivatives
02/06/1980EP0007694A1 Process for preparing 3,4,3'4'-benzophenone-tetracarboxylic dianhydride
02/06/1980EP0007319A1 Indan-1-carboxylic acid derivatives,process for their preparation and pharmaceutical preparations containing these compounds
02/05/1980US4187235 Method for preparing maleic anhydride
01/1980
01/29/1980US4186270 Process for making 2-(4-isobutylphenyl)propionic acid and related compounds
01/29/1980US4186152 Oxidation of olefins
01/29/1980US4186140 Process for the production of 3-substituted-2,5-dioxo-tetrahydrofuran
01/29/1980US4186077 Oxidation of hydrocarbon waxes in the presence of amine oxides
01/29/1980CA1070708A1 Process for oxidation of monosaccharides
01/29/1980CA1070707A1 4-aroyl substituted phenoxy acetic acids and tetrazoles
01/29/1980CA1070701A1 Catalyst treatment
01/29/1980CA1070700A1 Process for the simultaneous manufacture of epsilon-caprolactones and carboxylic acids
01/23/1980EP0007205A1 Optically active phenethanolamines, their formulations, use and preparation
01/23/1980EP0007204A1 Phenethanolamines, their formulations, use and preparation
01/23/1980EP0007128A1 Derivatives of 3-azabicyclo(3.1.0)hexane and processes for their preparation
01/23/1980EP0007116A1 Method for resolving racemic 6-methoxy-alpha-methyl-2-naphthalene acetic acid into its enantiomers and resolving medium
01/23/1980EP0007052A1 Ammonium salts of alpha-ketocarboxylic acids, their use for the preparation of amines and coating materials containing them
01/22/1980US4185073 Apparatus for iso- or terephthalic acid production in and recovery from benzoic acid-water solvent system
01/22/1980US4185027 Carboxylic acid and strong acid catalyst, removal of methanol
01/22/1980US4185025 Continuous process for ozonizing unsaturated compounds
01/22/1980US4185024 Oxidation to o-benzoylbenzoic acid, esterification cyclization with sulfuric acid
01/22/1980US4185023 Catalytic oxidative process for the manufacture of anthraquinone from o-benzyl toluene
01/22/1980US4184982 Copper, nickel or cobalt; from an alkali metal silicate containing excess alkali and metal salt, coprecipitation, reduction
01/22/1980US4184981 From ammonium molybdate and water soluble and insoluble components, heat treatment, compression, calcining
01/22/1980CA1070324A1 Salts of phenyl-alkanoic acids
01/22/1980CA1070299A1 Stabilized solid form choline salicylate compositions
01/22/1980CA1070289A1 Mixtures of poly-branched monocarboxylic acids and process for preparing same
01/15/1980US4183948 Insecticide synergist
01/15/1980US4183863 Selenium oxidation catalyst
01/15/1980US4183857 3-Benzyl-3-azabicyclo(3.1.0)hexane-2,4-dione
01/15/1980CA1069933A1 PREPARATION OF .alpha.-KETO CARBOXYAMIDES
01/15/1980CA1069913A1 Plant growth-regulating agents
01/15/1980CA1069875A1 Method for preparing an oxidation catalyst
01/09/1980EP0006789A1 Bis(aryloxy-alcanecarboxylic compounds, their preparation and their therapeutic use
01/09/1980EP0006766A1 Phenethanolamines, their formulations, use and preparation
01/09/1980EP0006355A1 Mixed anhydride steroid intermediate and process for preparing steroid intermediates
01/09/1980EP0006284A1 Racemizing of optically active alpha-substituted-alpha-phenylacetic acids
01/09/1980EP0006248A1 A process for producing methacrylic acid and a catalyst
01/09/1980EP0006205A1 Process for the preparation of chlorostyrenecyclopropane carboxylic acid derivatives
01/09/1980EP0006187A1 Separation of enantiomers of chiral carboxylic acids
01/08/1980US4182906 Racemization of optically active 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylic acids
01/08/1980US4182905 Sequestrants for metal ions in detergent formulations
01/08/1980US4182821 Optical transparency, mechanical strength
01/08/1980US4182760 Benzophenone anti-oximes, diazepin-N-oxides, and their use as pharmaceutical agents and as intermediates for pharmaceutical agents
01/08/1980US4182728 Preservation of dicarboxylic acid chlorides
01/08/1980US4182711 Antibacterial agents of the β-lactam type
01/08/1980US4182684 Di oxy-malonate salt detergent builder
01/08/1980CA1069523A1 Process for preparing hypolipidaemiant products
01/08/1980CA1069458A1 Process for isolating propylene glycol diesters in the preparation of propylene oxide
01/01/1980US4181679 From a perfluoroalkylene oxide a,w-diiodide and fuming sulfuric acid in the presence of zinc sulfate
01/01/1980US4181678 From a perfluoroalkylene oxide, a,w-diiodide and fuming sulfuric acid in the presence of zinc sulfate and chlorine
01/01/1980US4181674 5-Endo-protected hydroxyl-bicyclo[2,2,1]-heptan-2-ones and process for preparing same
01/01/1980US4181670 Phenyl 5Z,8Z,11Z,14Z-eicosatetraenoate and congeners
01/01/1980US4181628 Catalyst for oxidation reactions and process for its production
01/01/1980US4181489 Process for the treatment of byproducts obtained in the preparation of phthalic anhydride
01/01/1980CA1069133A Simultaneous production of methacrylic acid and a methacrylate or acrylic acid and an acrylate
12/1979
12/25/1979US4180681 Preparation and recovery of methacrylic acid from an aqueous sodium methacrylate solution
12/25/1979US4180678 Process for preparing methacrylic acid
12/25/1979US4180660 Cephalosporin derivatives
12/25/1979CA1068670A Catalyst compositions especially useful for preparation of unsaturated acids
12/18/1979US4179575 Cyclopropanecarboxylic acids, pesticides
12/18/1979US4179524 Biologically active amide
12/18/1979US4179522 Certain complex salts of mono carboxylic acids used as preservatives
12/18/1979US4179465 N-fluoromethyl-carbamic acid fluorides and their manufacture
12/18/1979US4179404 Catalyst preparative method
12/18/1979US4179403 Resin-ligand-metal complex compositions
12/18/1979US4179385 Carbon dioxide, solvent system containing water
12/18/1979CA1068297A1 Process for preparing oxalic acid and esters of same
12/12/1979EP0005998A1 Preparation of formic acid by hydrolysis of methyl formate
12/12/1979EP0005834A1 Vitamin B-12 derivatives, process for their preparation and their use in radioimmunoassays
12/12/1979EP0005810A1 Method for the preparation of organic fluoro compounds
12/12/1979EP0005803A1 Process for the preparation of carbonyl difluorides
12/12/1979EP0005793A1 Process for the preparation of trans-4-alkyl-cyanoarylcyclohexanes
12/12/1979EP0005779A2 Process for the preparation of arylglyoxylic acids
12/12/1979EP0005769A1 A process for producing methacrolein and methacrylic acid
12/12/1979EP0005738A1 Method for the preparation of hexahydrophthalic acid anhydride
12/11/1979US4178464 Process for producing methacrylic acid
12/11/1979US4178300 Low viscosity
12/11/1979US4178298 Process for preparing maleic anhydride
12/11/1979CA1067914A1 Process for making oxygenated carbon compounds
12/11/1979CA1067913A1 Fatty acid feed stock