Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
11/1978
11/07/1978CA1042014A1 Process for producing a non-blackened phthalic acid from the corresponding tolualdehyde
10/1978
10/31/1978US4123465 Chiral tertiary phosphines
10/31/1978US4123460 Reacting ketene with a halogen in presence of diester of phosphoric acid
10/31/1978US4123459 Chlorination, dehydrohalogenation, saponification, acidification
10/31/1978US4123458 Halogenation, dehydrogenation, decarboxylation
10/31/1978US4123457 2-Methyl-5-fluoro-indanol-3-acetic acid
10/31/1978US4123456 Novel 11-hydroxy-9-keto-5,6-cis-13,14-cis-prostadienoic acid derivatives
10/31/1978US4123446 Synthesis of metal alkyl carbonates
10/31/1978US4123443 Process for the preparation of bromoacetic acid and esters thereof
10/31/1978US4123442 Regeneration of maleic anhydride vanadium-phosphorus-oxygen catalyst by contacting with sulfur trioxide
10/31/1978US4123388 Catalyst and process for preparing maleic anhydride from C4 hydrocarbons
10/31/1978CA1041541A1 Process for preparing 4-cyclopropyl-methyleneoxy-3-chlorophenylacetic acid and salts thereof
10/31/1978CA1041540A1 Hydrolysis of 3,5-diamino benzoic acid to produce alpha-resorcylic acid
10/31/1978CA1041539A1 Process for producing terephthalic acid
10/31/1978CA1041531A1 M-phenoxyphenyl propionic acid derivatives and preparation thereof
10/31/1978CA1041530A1 Separation of propylene oxyde
10/31/1978CA1041528A1 Compositions useful for manufacturing maleic anhydride
10/31/1978CA1041524A1 Aryloxyalkyl compounds and their preparation
10/24/1978US4122260 Containing formyl substituted pyrrole, antibiotics
10/24/1978US4122115 From the acetic acid and chlorosulfonic acid
10/24/1978US4122106 Process for preparing thallic benzoate
10/24/1978US4122096 Phosphorus-vanadium-oxygen catalyst
10/24/1978CA1041117A1 Production of salts of chlorinated acetic acids
10/24/1978CA1041015A1 Acetic acid derivatives pharmacological activity and compositions containing the same
10/17/1978US4121038 3,7-Inter-m-phenylene-3-oxa-13,14-didehydro-11-deoxy-17-phenyl-4,5,6,18,19,20-hexanor-PGE1 compounds
10/17/1978US4120876 Oxidation catalyst containing oxides of phosphorus, molybdenum, and arsenic
10/17/1978US4120846 Benzoyloxybenzoates and compositions stabilized therewith
10/17/1978CA1040652A1 Preparation of phthalaldehydic acid from pentachloroxylene
10/10/1978US4119652 Hydrogenation catalysts; coordination compounds of iridium, rhodium or ruthenium with phosphine or arsine ligands; optically active
10/10/1978US4119645 Oxidation of ortho-xylene
10/10/1978US4119558 Liquid crystal materials
10/10/1978CA1040213A1 Cycloalkyl phenoxy carboxylic acid derivatives
10/10/1978CA1040210A1 Citraconic anhydride process
10/03/1978US4118589 Oxidation of carbon monoxide and water or alcohols, catalyst
10/03/1978US4118588 Manufacture of methacrylic acid and methyl methacrylate
10/03/1978US4118577 4,5,6-Trinor-3,7-inter-m-phenylene prostaglandin A1 analogs
10/03/1978US4118421 Process for the manufacture of perfluoro-alkoxy-propionic acid fluorides
10/03/1978US4118420 Chemical compounds
10/03/1978US4118419 Catalytic process for the preparation of an unsaturated carboxylic acid
10/03/1978US4118403 Solvent extraction using phthalic anhydride and a dialkyl phthalate
10/03/1978US4118402 Preparation of maleic anhydride
10/03/1978CA1039751A1 Manufacture of polyols
10/03/1978CA1039748A1 Recovery of monomeric acrylic acid from residues originating from processed crude acrylic acid
09/1978
09/26/1978US4117233 Hypotensive agents, oxytocics, antisecretory
09/26/1978US4117119 Menstrual cycle regulators, gastric ulceration
09/26/1978US4117007 Eradication of bis-chloromethyl ether and 1,1,1,2-tetrachloroethane from chloroacetyl chloride
09/26/1978US4117006 Solvent-free
09/26/1978US4116983 Two stage maleic anhydride process
09/26/1978US4116980 By heating aqueous aromatic bis(ether n-organo substituted phthalimide) and phthalic anhydride or phthalic acid
09/26/1978US4116977 By reacting alpha, omega-diiodoperfluoroalkane with fuming sulfuric acid
09/26/1978US4116967 Production of carboxylic acids from nitriles
09/26/1978US4116955 Inclusion complex compound, process for its production, and method for its use
09/26/1978US4116868 Dispersion of finely divided phosphorus-vanadium-oxygen precursor
09/26/1978CA1039304A1 Hydroxy ether polycarboxylic acids, salts and esters and a method of production
09/26/1978CA1039300A1 Process for the manufacture of new hydroaromatic compounds
09/26/1978CA1039295A1 Process for preparing (1-oxo-2-phenyl, halophenyl or thienyl-2-methyl-6,7-dichloro-5-indanyloxy)acetic acid
09/19/1978US4115651 Prostaglandins, blood pressure lowering, labor inducion, reproductive cycle regulation, gastric antisecretory
09/19/1978US4115454 2-Decarboxy-2-hydroxy-methyl-5-oxa-ω-phenyl-pgd1 compounds
09/19/1978US4115444 Noble metal catalyst; promoter comprising group gb or group 8 metal, and an organonitrogen or organophosphorus compound
09/19/1978US4115442 Catalyst comprising oxide of vanadium, cerium, and a third metal
09/19/1978US4115441 From acrolein and methacrolein; oxides of vanadium, molybdenum germanium
09/19/1978US4115440 Preparation of acrylic acid or methacrylic acid
09/19/1978US4115422 Antibacterial textile finishes utilizing zirconyl acetate complexes of inorganic peroxides
09/19/1978US4115417 Enantioselectivity
09/19/1978CA1038884A1 Method of producing carboxymethyloxysuccinic acid
09/19/1978CA1038883A1 Liquid phase oxidation of alcohols to form carboxylic acids therefrom
09/19/1978CA1038882A1 Synthesis of m-benzoyl-hydratropic acid
09/19/1978CA1038878A1 Cooxidation process for the production of dimethyl terephthalate
09/12/1978US4113969 Decarboxylation in the presence of a base
09/12/1978US4113966 3,7-Inter-m-phenylene-3-oxa-4,5,6-trinor-13,14-didehydro-11-deoxy-PGF1 α compounds
09/12/1978US4113965 3,7-Inter-m-phenylene-3-oxa-13,14-didehydro-11-deoxy-17-phenyl-4,5,6,18,19,20-hexanor-PGF1 α compounds
09/12/1978US4113964 Prostaglandins, hypotensive, labor induction, antisecretory
09/12/1978US4113963 13,14-Didehydro-11-deoxy-17-phenyl-18,19,20-trinor-PGE1 compounds
09/12/1978US4113962 Prostaglandins, hypotensive, labor induction, antisecretory
09/12/1978US4113961 3,7-Inter-m-phenylene-3-oxa-4,5,6-trinor-13,14-didehydro-11-deoxy-PGE1
09/12/1978US4113879 Pharmaceutical compositions and method of use
09/12/1978US4113778 2-Decarboxy-2-hydroxy-methyl-ω-phenoxy-PGE analogs
09/12/1978US4113771 Process for the purification of citric acid
09/12/1978US4113770 Process for preparing unsaturated carboxylic acids
09/12/1978US4113769 Process for preparing unsaturated carboxylic acids by gas phase catalytic oxidation of the corresponding aldehydes
09/12/1978US4113768 Preparation of acrylic or methacrylic acid from acrolein or methacrolein
09/12/1978US4113745 Catalyst for and method of producing maleic anhydride
09/12/1978US4113647 Liquid crystalline materials
09/12/1978US4113574 2,4-pentanedione
09/12/1978US4113435 Cryogenically controlled direct fluorination apparatus
09/12/1978CA1038403A1 Liquid phase oxidation of esters to form carboxylic acids therefrom
09/12/1978CA1038402A1 Therapeutic agents
09/12/1978CA1038401A1 Process for producing terephthalic acid
09/12/1978CA1038400A2 1-indancarboxylic acids
09/12/1978CA1038396A1 Process for the preparation of (1-oxo-2-phenyl, halophenyl or thienyl-2-methyl-6,7-dichloro-5-indanyloxy)acetic acid
09/05/1978US4112236 Interphenylene 8-aza-9-dioxothia-11,12-secoprostaglandins
09/05/1978US4112114 Esters of 2-substituted-5-oxo-5H-dibenzo[a,d]cycloheptenes having pharmaceutical activity, and methods and compositions for the use thereof
09/05/1978US4111996 Prostaglandins
09/05/1978US4111995 Prostaglandins
09/05/1978US4111986 Butane oxidation to acetic acid
09/05/1978US4111985 Process for producing unsaturated aldehydes and unsaturated carboxylic acids
09/05/1978US4111984 From t-butyl alcohol, molybdenum-antimony-bismuth-iron-nicken-tin oxide oxidation catalyst
09/05/1978US4111983 Vapor phase, molybdenum-vanadium-tungsten-chromium-copper oxide catalyst
09/05/1978US4111982 From methanol, ethylene, carbon monoxide and water, rhodium-iodine containing catalyst
09/05/1978US4111967 Silicon containing catalysts