Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
12/1979
12/11/1979CA1067884A1 Supported catalyst for the oxidation of o-xylene and/or naphthalene to phthalic anhydride
12/04/1979US4177161 Catalytic oxidative process for producing maleic anhydride
12/04/1979CA1067523A1 Process for the production of chlorofluorinated acyclic hydrocarbons
12/04/1979CA1067522A1 Process for the production of chlorofluorinated cycloaliphatic hydrocarbons
12/04/1979CA1067518A1 Process for the production of chlorofluorinated aliphatic ketones
12/04/1979CA1067513A1 Selectively separating oxalic, tartaric glyoxylic and erythronic acids from aqueous solutions containing the same
12/04/1979CA1067511A1 Selective carboxylation process
12/04/1979CA1067504A1 Preparation of maleic anhydride from n-butene in a one-reactor, fluid-bed system
11/1979
11/28/1979EP0005574A1 Process for the production of an alkali metal benzoate along with a benzyl alcohol
11/27/1979US4176234 Of propylene and isobutylene using catalyst of iron, bismuth, molybdenum and group 2a metal oxides
11/27/1979US4176129 Process for the preparation of tris(hydroxymethyl)-aminomethan-lactate-dihydroxyaluminate
11/27/1979CA1067096A1 Process for upgrading caustics spent by naphthenic acids
11/27/1979CA1067094A1 Hydrolysis of aromatic nitriles to carboxylic acids
11/20/1979US4175208 Process for the preparation of 1-chloro-2-hydroxy-3-naphthoic acid
11/20/1979US4175206 Process for preparing a hydroxyphenylglycine compound
11/20/1979US4175202 4,5,6-Trinor-3,7,-inter-m-phenylene prostaglandin A1 analogs
11/20/1979US4175095 Process for the manufacture of pentachlorovinylacetyl chloride
11/20/1979US4175053 Base reactant
11/14/1979EP0005422A2 Derivatives of omega-dialkylalkanoic acids, processes for their preparation and their therapeutical use
11/13/1979US4174459 Oxidation catalyst, oxides of molybdenum, vanadium, phosphorus, cerium and copper
11/13/1979US4174452 Acid catalyzed hydrolysis
11/13/1979US4174418 Alkali metal perborate
11/13/1979US4174354 Nickel or cobalt, bismuth, and molybdenum oxides
11/13/1979US4174349 In presence of a cage compound and a polar, basic organic solvent
11/13/1979CA1066299A1 Preparation of citraconic anhydride
11/13/1979CA1066298A1 Dianhydrides
11/06/1979US4173708 Precipitation of ammonium salt
11/06/1979US4173706 Reacting with molybdenum hexafluoride
11/06/1979US4173648 3β-Hydroxy-18β-olean-9-en-30-oic acids
11/06/1979US4173573 Process for preparing 3,4,3,4-benzophenone-tetracarboxylic dianhydride
11/06/1979CA1065889A1 Isolation of carboxylic acids from their aqueous solutions
11/06/1979CA1065886A1 Carboxylation process for preparing linear fatty acids or esters
11/06/1979CA1065870A1 Production of therapeutically-active substituted isopropanol derivatives
10/1979
10/31/1979EP0005067A2 Technique for forming multi-component oxide complex catalysts
10/31/1979EP0004957A2 Compositions and use of chlorinated derivatives of butyric acid as additives for lubricants
10/30/1979US4172957 Production of monochloroacetyl chloride and monochloroacetic acid by hydration of trichloroethylene
10/30/1979US4172956 Selective oxidation of acrolein and methacrolein
10/30/1979US4172955 Rearrangment of a cinnamaldehyde to a phenylmalondialdehyde tetramethyl disacetal
10/30/1979US4172954 Chemical compounds
10/30/1979US4172953 2,3,5-Trisubstituted cyclopentanealkenoic acids, derivatives thereof and intermediates thereto
10/30/1979US4172949 Antiinflammatory agents, analgesics and antipyetrics
10/30/1979US4172897 Sorbic acid-containing powder or granules
10/30/1979CA1065341A1 Oxidation of propylene and isobutylene to obtain the corresponding unsaturated aldehydes and acids
10/30/1979CA1065340A1 Process for the preparation of acrylic acid and methacrylic acid from corresponding aldehydes
10/30/1979CA1065339A1 Process for making aromatic acids
10/30/1979CA1065331A1 Method and apparatus for the separation and recovery of furfural and organic volatile acids, such as acetic acid and formic acid, from the process of preparation of furfural
10/23/1979US4172209 Process for producing dicarboxylic acids by the oxidation of xylene
10/23/1979US4172123 Deodorants for both cosmetic and commercial use
10/23/1979US4172098 Manufacture of substituted halobenzenes
10/23/1979US4172084 Mixed oxides of vanadium and phosphorus
10/23/1979US4172051 Oxides of molybdenum, vanadium, aluminum and phosphorus, oxidation catalysts
10/23/1979CA1064964A1 Process for dehalogenation and/or prevention of halogenation
10/18/1979WO1979000835A1 Dehalogenation of halogenated compounds
10/17/1979EP0004835A1 Ethanolamine compounds, processes for their preparation, pharmaceutical preparations containing them and their medicinal use
10/17/1979EP0004831A2 2,6-Dialkoxybenzamides, process for their preparation, compositions and these compounds for use in the treatment of psychotic disordes
10/17/1979EP0004656A1 Process for the preparation of oxygenated hydrocarbon compounds starting from a synthesis gas
10/17/1979EP0004653A1 Process for the preparation of oxygenated hydrocarbon compounds starting from a synthesis gas
10/17/1979EP0004641A2 Process for preparing carboxylic anhydrides
10/16/1979US4171454 Oxidation process utilizing amphora catalysts
10/16/1979US4171453 Carbonation of alkali metal phenates
10/16/1979US4171318 9-(substituted phenyl), 4 or 6-fluoro-retinoic acid derivatives, antitumor and antiacne agents
10/16/1979US4171316 Preparation of maleic anhydride using a crystalline vanadium(IV)bis(metaphosphate) catalyst
10/16/1979US4171313 Molybdenum and tungsten peroxo complexes useful as oxidation catalysts
10/16/1979CA1064498A1 3,3,3-trifluoropropionic acid compounds
10/09/1979US4170602 Using metal complexes to moderate crystal growth
10/09/1979US4170597 1-Hydroxymethyl-1-oxo-prostane derivatives of the E2 series
10/09/1979US4170572 Oxides of molybdenum, vanadium, copper and tungsten activated in a mmonia atmosphere
10/09/1979US4170570 Process for preparing oxidation catalysts
10/03/1979EP0004496A1 Production of monochloroacetyl chloride and, possibly, of monochloroacetic acid by hydration of trichloroethylene
10/03/1979EP0004495A1 Process for the production of oxalyl chloride
10/03/1979EP0004493A1 Ethers whose organic moieties have asymmetric atoms, methods for their preparation and their use for the resolution of alcohols, phenols or certain compounds with a lactone structure
10/03/1979EP0004405A2 Process for the formation of high-purity tetrahydrophthalic acid anhydride
10/03/1979EP0004317A2 Derivatives of phenoxy-alkanecarboxylic acids, their preparation, weed-killing products containing them and their use
10/03/1979EP0004316A2 Esters of cyclopropane carboxylic acid, method of preparation and use in parasite control
10/02/1979US4169944 Cholesterol biosynthesis inhibitors
10/02/1979US4169847 Chlorosulfonic acid catalyst
10/02/1979US4169809 Extractive purification of carboxylic acids containing monovalent and trivalent thallium carboxylates
10/02/1979CA1063619A1 Process for the preparation of new benzylamino-acanoic acids ands compounds thereof
10/02/1979CA1063618A1 Indane derivatives
10/02/1979CA1063522A1 Chemical concentration by sequential activated carbon adsorption and fractionation
09/1979
09/25/1979US4169108 5(OR 6)-[(Substituted-amino)alkyl]-2,3-naphthalenediols
09/25/1979US4169098 Process for utilization of the reaction heat generated by the catalytic oxidation of o-xylene
09/25/1979US4169070 Catalyst and process for producing unsaturated acids by using same
09/25/1979CA1063125A1 (1-oxo-2-aryl or thienyl-2-substituted-5-indanyloxy (or thio)) alkanoic acids and derivatives thereof and processes for preparing same
09/25/1979CA1063036A1 Chemical concentration by activated carbon adsorption
09/25/1979CA1062986A1 Petroleum oxidate and calcium derivatives thereof
09/19/1979EP0004113A2 Detergent compositions containing modified (capped) silicates
09/19/1979EP0004112A2 Modified silicates
09/19/1979EP0004049A1 Method for preparing granular potassium sorbate
09/18/1979US4168381 Hydrogenation catalysts
09/18/1979CA1062721A1 Propionic acid derivatives
09/18/1979CA1062647A1 Purification of formic acid
09/11/1979US4167641 Haloacylation, reaction with enamine and tert-amine, acidification to form diketone, reaction with alkali metal hydroxide or alkoxide
09/11/1979US4167525 Process for preparation of aromatic acyl chloride
09/11/1979US4167522 Guanidine pantoate
09/11/1979US4167516 Preparation of dicarboxylic anhydrides
09/11/1979US4167513 Synthesis of unsaturated esters and lactone from butadiene and carbon dioxide
09/11/1979CA1062280A1 Process for the preparation of metformine clofibrate
09/11/1979CA1062279A1 Secondary oxidation of fluid effluent from primary oxidation of meta-or para-xylene
09/11/1979CA1062270A1 Preparation of 4-fluorophthalic anhydride