Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
05/1978
05/30/1978US4092352 Reimer-tiemann reaction of 2,3-dichlorophenol with carbon tetrachloride
05/30/1978US4092350 Antiinflammatory agents, rheumatic diseases
05/30/1978US4092345 (Cyclo)alkylenediammonium-bis-tetrahalophthalates
05/30/1978US4092332 Process for manufacturing maleic anhydride
05/30/1978US4092269 Pore modifier of polymer, cellulosic material, mono- or polysaccharide or hydrogenated vegetable oil
05/30/1978US4092230 Electrochemical process for the manufacture of terephthalic acid
05/30/1978US4092220 Process for manufacture of L(+)-tartaric acid or salts thereof
05/23/1978US4091111 Insecticides, acaricides
05/23/1978US4091039 Hydrolysis of ethylene glycol acetates
05/23/1978US4091017 Method of preparing terephthalic acid dichloride and isophthalic acid dichloride
05/16/1978US4089870 Oxidation in vapor phase, catalytic oxide of molybdenum, phosphorus, and rubidium
05/16/1978US4089807 Reactivation of a phosphorus-vanadium-oxygen complex oxidation catalyst
05/16/1978US4089689 Petroleum oxidate and calcium derivatives thereof
05/09/1978US4088822 Simultaneous production of methacrylic acid and a methacrylate or acrylic acid and an acrylate
05/09/1978US4088782 Substituted-benzyl α-C1 -C4 alkyl-2-naphthaleneacetates as insecticidal agents
05/09/1978US4088682 For production of ethylene glycol
05/09/1978US4088660 Method 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
05/09/1978US4088602 Dehydrogenation catalyst
05/02/1978US4087470 Cyclic, from formaldehyde and synthesis gas with hydrogen fluoride catalyst
05/02/1978US4087458 T-amylbenzene, phthalic anhydride in presence of lewis acid
05/02/1978US4087446 Preparation of maleic anhydride from four-carbon hydrocarbons
05/02/1978US4087342 Method of simultaneously carrying out plurality of photochemical reactions
04/1978
04/25/1978US4086348 2-(1,8-naphthyridin-2-yl)-3-aminocarbonyloxyisoinolin-1-ones; tranquilizers, hypnotics, anticonvulsants, antispasmodics
04/25/1978US4086277 From 1,1-di(p-tolyl)ethane or 1,1-bis(3,4-dimethylphenyl)ethane by heating in nitric acid and water
04/25/1978US4086270 Process for making terephthalic acid
04/25/1978US4086267 Cobalt-catalyzed oxidation of C3 to C7 saturated aliphatic hydrocarbons to oxygenated products including acetic acid
04/25/1978US4086251 Process for manufacturing polyalkenyl succinic anhydrides
04/18/1978US4085275 Production of di-unsaturated carboxylic acids
04/18/1978US4085274 Process for preparing 4-oxopentadecanedioic acid
04/18/1978US4085219 1-Oxo-2,2-disubstituted-5-indanyloxy(or thio)alkanoic acids
04/18/1978US4085143 Manufacture of α,β-unsaturated acids and anhydrides
04/18/1978US4085135 Antiulcer
04/18/1978US4085127 Method for producing aldehyde acids by selective ozonization of cyclo-olefins
04/18/1978US4085122 Production of maleic anhydride using a mixed-oxide oxidation catalyst containing vanadium and pentavalent phosphorus
04/18/1978US4085121 Preparation of maleic anhydride from four-carbon hydrocarbons using Ti, P, O, containing catalyst
04/18/1978US4085065 Oxidation catalyst
04/11/1978US4084061 Rearrangement of tolyl or chlorotolyl sodium, carboxylation
04/11/1978US4084050 Perfluoro-3-oxo-morpholines
04/11/1978US4083805 Catalysts
04/11/1978US4083803 Anchored silylhydrocarbyl phosphine transition metal complex catalysts and their method of preparation
04/11/1978CA1029395A1 Process for preparing dicarboxylic acids___
04/04/1978US4082913 Phenoxyalicyclic carboxylic acid derivatives
04/04/1978US4082796 Process for preparing cyanoformamide
04/04/1978US4082788 Esterification and extraction process
04/04/1978US4082773 Antifibrillatory agents, disinfectants, water softeners
04/04/1978US4082698 Oxides of vanadium, molybdenum and copper plus oxide of antimony and/or germanium
04/04/1978US4082428 Liquid crystal composition and method
03/1978
03/28/1978US4081554 1-oxo-2,2-disubstituted-5-indanyloxy(or thio)alkano acids
03/28/1978US4081519 Process for oxidation of carbon monoxide with inorganic oxidizing agents
03/28/1978US4081477 Pinane derivatives
03/28/1978US4081467 Sulfonium salt as catalyst
03/28/1978US4081466 Catalytic reaction of hexafluoropropylene epoxide with a ketone or acid fluoride
03/28/1978US4081465 Catalyst of elemental molybdenum and tungsten, molybdenum trioxide and tungsten trioxide
03/28/1978US4081464 Iso- or terephthalic acid production in and recovery from benzoic acid-water solvent system
03/28/1978US4081460 In situ regeneration and stabilization of catalyst with a phosphorus compound
03/28/1978US4081253 From hydrocarbonaceous feedstock
03/21/1978US4080378 Reacting a carboxylic acid ester with a trichloromethyl substituted aromatic compound in the presence of a molybdenum catalyst
03/21/1978US4080376 Chemical intermediate for sequestrant compounds
03/14/1978US4079088 Mono-ol from diol and improved citric acid process
03/07/1978US4077984 Catalytic oxidation, vanadium pentoxide-titanium dioxide catalyst
03/07/1978US4077912 Catalysts useful for exothermic reactions
03/07/1978US4077260 Optically active cyano-biphenyl compounds and liquid crystal materials containing them
02/1978
02/28/1978US4076948 Process for treatment of adipic acid mother liquor
02/28/1978US4076843 5,6,7,8-Tetrahydronaphthalene hypotensive agents
02/28/1978US4076839 Uricosuric composition and method of producing uricosuria and hypouricemia
02/28/1978US4076745 Salt formation with triethylamine, adding calcium chloride
02/28/1978US4076732 Prostaglandin intermediates
02/28/1978US4076731 Process for preparing phthalic anhydride
02/28/1978US4076700 Process for recovering high purity fatty acids and/or rosin acid and sterols
02/28/1978US4076594 N-formylmorpholine
02/21/1978US4075244 Molybdenum-containing oxidation catalyst
02/21/1978US4075234 Saponification of fatty acid with sodium or lithium hydroxides in alkyl nitrile
02/21/1978US4075232 Preparation of maleic anhydride from n-butene in a one-reactor, fluid-bed system using two different catalysts
02/21/1978US4075231 Catalytic oxidation of o-xylene
02/21/1978US4075127 Catalyst for production of α,β-unsaturated carboxylic acids
02/21/1978US4075124 Process for the preparation of unsaturated acids from unsaturated aldehydes
02/21/1978US4075123 Molybdenum, phosphorus, arsenic and rare earth element oxide, oxidation catalyst
02/21/1978US4075093 Permselective membrane
02/14/1978US4073935 Substituted propanol-(2)-derivatives and their nicotinic acid esters, and process for their preparation, and the use thereof as hypolipemic drugs
02/14/1978US4073803 Triphenylphosphonium bromide intermediate for 2,2-fluoro-PG analogs
02/07/1978US4072754 Anticholesterol
02/07/1978US4072710 Process for preparing acid chlorides
02/07/1978US4072709 Production of lactic acid
02/07/1978US4072708 Methacrylic or acrylic acid from methacrolein or acrolein, catalyst
02/07/1978US4072707 From 2,6-dialkylphenol, sodium or lithium hydride, carbon dioxide
02/07/1978US4072705 Hyperlipaemia
01/1978
01/31/1978US4071553 Method for the production of trans-4-aminomethyl cyclohexane-1-carboxylic acid
01/31/1978US4071540 Maleic or phthalic
01/31/1978US4071539 Catalyst complex
01/31/1978US4071398 Chemical concentration by sequential activated carbon adsorption and fractionation
01/24/1978US4070480 Hydroxy acids
01/24/1978US4070397 Process for the preparation of methacrylic acid from the corresponding aldehyde
01/24/1978US4070379 Process for the manufacture of maleic anhydride
01/24/1978US4070375 Carbon monoxide, formaldehyde, 1,2-glycol, hydrogen fluoride catalyst
01/24/1978US4070374 Process for the preparation of aryl substituted aldehydes, ketones and alcohols
01/24/1978US4070178 Herbicidal diphenyl ethers
01/17/1978US4069271 Isomerization, dehydrogenation, oxidation, reduction, transition metal
01/17/1978US4069248 Hydrolysis of aromatic nitriles to carboxylic acids
01/17/1978US4069241 Steroidal intermediates from the condensation product of dimethyl-3-ketoglutarate and glyoxal
01/17/1978US4069232 Reacting with carbon monoxide