C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides

Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
01/1978
01/10/1978	US4068083 2,2-Difluoro-13,14-dihydro-PGE1 analogs
01/10/1978	US4067996 Phenylacetic acid derivatives
01/10/1978	US4067906 Novel process for the synthesis of tricyclo[6.2.2.03,8 ]dodecane derivatives
01/10/1978	US4067900 Catalyst containing iridium or rhodium and halogen
01/10/1978	US4067887 Method of preparing dichloromaleic anhydride
01/10/1978	US4067823 Thallium(III) reagents supported on montmorillonite clay minerals and oxythallation processes for utilizing same
01/10/1978	US4067779 Washing, heat treatment, vacuum distillation
01/10/1978	CA1024163A1 Process for the preparation of fatty acids by acidification of soaps
01/03/1978	US4066704 Of alkanes
01/03/1978	US4066691 Process for the production of pure diglycolic acid by oxidation of diethylene glycol with nitric acid
01/03/1978	US4066690 Chemical intermediates for prostaglandins
01/03/1978	US4066688 Production of alkali metal salts of citric acid from acetone dicarboxyl ions, cyanide ions, and alkali metal ions
12/1977
12/27/1977	US4065633 2,2-Difluoro-13,14-dihydro-PGA1 analogs
12/27/1977	US4065507 Oxidation using metal oxide catalysts
12/27/1977	US4065489 Liquid crystals
12/27/1977	US4065470 Catalytic oxidation
12/27/1977	US4065468 Manufacture of maleic anhydride from butane
12/20/1977	US4064349 Novel 2-hydroxynaphthalene-1-aldehydes, process for preparing them and their use
12/20/1977	US4064160 Prostaglandins; antiulcer agents, anticoagulants, decongestants, oxytocics, wound healing
12/20/1977	US4064126 Multistep from trichloroacetyl chloride and ketene through novel 6-trichloromethyluracil intermediate
12/20/1977	US4064070 Catalyst for producing maleic anhydride
12/13/1977	US4062874 Phenolic stabilization of maleic anhydride
12/13/1977	US4062873 Producing maleic anhydride using certain phosphorous-vanadium-silicon-oxygen containing catalysts
12/13/1977	US4062872 Process of oxidizing hydrocarbons using catalysts with high heat conductivity
12/13/1977	US4062871 Applying heat to external surface of separator
12/13/1977	US4062802 Carbon monoxide treatment of a phosphorus-vanadium-zinc oxygen catalyst
12/13/1977	US4062654 Apparatus for continuous liquid-phase oxidation reaction
12/06/1977	US4061824 Cobalt
12/06/1977	US4061768 Certain cyclic carbonyl compounds used in the prophylaxis of allergic conditions
12/06/1977	US4061673 Oxidative dehydrogenation of isobutyric acid, molybdenum-phosphorus-oxygen catalyst
12/06/1977	US4061565 Sorption of weak organic acids from water by polyurethane
12/06/1977	US4061546 Purification of acetic acid
11/1977
11/29/1977	US4060555 Deacon catalyst
11/29/1977	US4060547 From tetrahydrofuran or an acyclic glycol, and carbon monoxide, rhodium or iridium-halogen catalyst
11/29/1977	US4060535 Process for the production of metal salts of organic acids
11/22/1977	US4059600 Epoxy dodecadienamides
11/15/1977	US4058564 Prostaglandins; hypotensive, labor inducers, antisecretory
11/15/1977	US4058560 Trialkali metal carboxymethyloxy succinate
11/15/1977	US4058559 Hypotensive agents, diuretics, uricosuric agents
11/15/1977	US4058555 Multistage
11/15/1977	US4058554 Metal sequesterants
11/15/1977	US4058552 Esters of p-carbonylphenoxy-isobutyric acids
11/08/1977	US4057647 Antiinflammatory
11/08/1977	US4057577 Process for preparing di(alkoxy-carboxy) hydrocarbylenes
11/08/1977	US4057576 Process for isolating 2-hydroxynaphthalene carboxylic acids from reaction mixtures of the alkali metal salts of 2-hydroxynaphthalene with carbon dioxide
11/08/1977	US4057574 2,2-Difluoro-16-phenoxy-13,14-dihydro-PGA2 analogs
11/08/1977	US4057573 Indanes or tetrahydronaphthalenes, antiphlogistic, analgesic, antipyretic, antirheumatic
11/08/1977	US4057483 Electrodialysis apparatus and process for ion modification
11/01/1977	US4056567 Chemical processes for preparing citric acid
11/01/1977	US4056487 Vanadium phosphorus oxygen oxidation catalysts useful for preparing anhydrides from alkanes
10/1977
10/25/1977	US4055721 Palladium-halogen containing catalyst
10/25/1977	US4055617 Process for preparing granular potassium sorbate
10/25/1977	US4055602 2-Decarboxy-2-hydroxy-methyl-5-oxa-17-phenyl-18,19,20-trinor-PGF-analogs
10/25/1977	US4055595 Anticholesterol, antiarthritis
10/25/1977	US4055577 Process for thermal treatment of crude phthalic acid
10/18/1977	US4054602 Removal of bis-chloromethyl ether from chloroacetyl chloride
10/18/1977	US4054601 Method of recovering purified glycolic acid from its contaminated aqueous solutions
10/18/1977	US4054600 Method for making aromatic bis(ether dicarboxylic acid)s
10/18/1977	US4054590 Production of fatty acids
10/18/1977	US4054579 Intermediates in the process for the preparation of 2-(5H-dibenzo[a,d]cyclohepten-5-on-2-yl)acetic, propionic and butyric acids
10/11/1977	US4053639 Therapeutically active phenylalkane derivatives
10/11/1977	US4053635 Substituted amides of 3-methyl-4-phenyl-3-butenoic acid, with a high hypolipemizing activity
10/11/1977	US4053521 Contacting acetophenone with n-methyl-phenethylamino-alane, hydrolyzing
10/11/1977	US4053506 Production of fiber-grade terephthalic acid
10/11/1977	US4053485 Tricyclic prostaglandin intermediates
10/04/1977	US4052470 Process for the production of chlorofluorinated acyclic hydrocarbons
10/04/1977	US4052468 Deacon catalyst
10/04/1977	US4052460 Production of 3,3-dimethyl-2-oxo-butyric acid salt
10/04/1977	US4052452 Process for preparing glycolic acid and its polymers
10/04/1977	US4052450 Catalytic oxidation of α-olefins
10/04/1977	US4052448 Organic acids and process for preparing same
10/04/1977	US4052447 Hydrogenation, platinum, palladium or rhodium catalyst
10/04/1977	US4052441 Two stage distillation
10/04/1977	US4052425 Fatty acid feed stock blend of red oil and soap stock for the preparation of dimer fatty acids
10/04/1977	US4052423 Synthesis of α,β-unsaturated carboxylic acids and esters
10/04/1977	US4052418 Preparation of maleic anhydride from four-carbon hydrocarbons
10/04/1977	US4052417 Vapor phase oxidation of butane producing maleic anhydride and acetic acid
09/1977
09/27/1977	US4051260 2-Substituted-5-oxo-5H-dibenzo[a,d]cycloheptenes, and derivatives thereof, and methods and compositions for the use thereof
09/27/1977	US4051182 Chlorination and oxidation of 1,2-dichloropropane
09/27/1977	US4051181 Palladium-copper or palladium-silver catalyst
09/27/1977	US4051180 Preparation of acrylic acid and methacrylic acid
09/27/1977	US4051179 Catalytic process for the preparation of unsaturated carboxylic acids
09/27/1977	US4051178 Process for producing terephthalic acid
09/27/1977	US4051170 Diphenoxyacetic acid derivatives
09/27/1977	US4051104 Benzoyloxybenzoates and compositions stabilized therewith
09/20/1977	US4049823 Phenylbutanol derivatives and compositions containing them
09/20/1977	US4049706 Selective oxidation of chrysanthemyl alcohol
09/20/1977	US4049681 Solvent extraction
09/20/1977	US4049574 Catalyst and process for preparing maleic anhydride from C4 hydrocarbons
09/20/1977	US4049395 Obtained from multistage combustion of fuel
09/13/1977	US4048225 Process for the production of pure racemic acid and mesotartaric acid
09/13/1977	US4048197 2,3,3',4'-Biphenyltetracarboxylic acid dianhydride
09/13/1977	US4048147 Coatings, printing inks, sizing
09/13/1977	US4048058 Methods to be used in reforming processes employing multi-metallic catalysts
09/06/1977	US4046807 Process for preparing acetic anhydride
09/06/1977	US4046799 Insecticides
09/06/1977	US4046782 Process for the industrial production of ethylene oxide and aromatic acid
09/06/1977	US4046780 Preparation of phthalic anhydride
08/1977
08/30/1977	US4045478 Method for the preparation of methacrylic acid
08/30/1977	US4045475 Vitamin e intermediates

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