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)
12/1976
12/07/1976	US3996272 Method for preparing pentachloroacetone and dichloroacetic acid from isopropyl ethers
12/07/1976	US3996271 Process for producing terephthalic acid by catalytic liquid phase oxidation of para-xylene
12/07/1976	US3996246 3-aminomethyl-pinane as resolving agent
12/07/1976	US3996244 Insecticidal esters of substituted furan methanol
12/07/1976	US3996239 Acid catalyst
11/1976
11/30/1976	US3994968 2-(5'-Halo-6'-methoxynaphth-2'-yl)-acrylic acid
11/30/1976	US3994964 Multistage
11/30/1976	US3994952 Anti-tricyclo[6.4.0.0.2,7 ]1,4,7,10-tetracarboxy-2,5,8,11-tetrahydroxy-dodeca-4,10-diene and esters thereof, a process for their preparation, and their use in preparing linear polyesters
11/30/1976	US3994897 Process for the manufacture of carboxylic acids from methyl ketones
11/30/1976	US3994833 Titanium dioxide, molybdenum trioxide
11/23/1976	USRE29044 From 1,1-dichloroethane, chlorine and oxygen under irradiation
11/23/1976	US3993691 Process for separation of monocarboxylic acids from a mixture of monocarboxylic, hydroxycarboxylic and dicarboxylic acids
11/23/1976	US3993690 Method of obtaining aromatic tri-or-tetracarboxylic acids
11/23/1976	US3993684 Photosensitive acrylic ester polymers
11/23/1976	US3993680 Ammoxidation using chromium-containing catalysts
11/23/1976	US3993676 Oxidation of alkanes
11/23/1976	US3993671 To maleic anhydride
11/16/1976	US3992459 Biaryl coupling by diazotization
11/16/1976	US3992443 Process for the carboxymethylation of alcohols or ether alcohols
11/16/1976	US3992442 Process for the continuous production of sorbic acid
11/16/1976	US3992432 Phase transfer catalysis of heterogeneous reactions by quaternary salts
11/16/1976	US3992423 Production of carboxylic acids from olefins with a zeolite in aluminum hydrosol catalysts
11/16/1976	US3992419 Vapor phase oxidation
11/16/1976	US3992418 Production of pyromellitic dianhydride
11/16/1976	US3992159 Process for purification by cryogenic sublimation
11/09/1976	US3991108 Production of acyl and carbamoyl fluorides and their corresponding isocyanates
11/09/1976	US3991099 Process for the preparation of mixture consisting predominantly of .epsilon.α-formylvaleric acid and the esters of these acids
11/02/1976	US3989751 Process for the preparation of carboxylic anhydrides from olefinic hydrocarbons
11/02/1976	US3989750 Lewis acid
11/02/1976	US3989748 From ethylene, carbon monoxide, and water, one step, iridium catalyst
11/02/1976	US3989747 From ethylene, carbon monoxide, and water, one step, rhodium catalyst
11/02/1976	US3989729 Sex pheromone
11/02/1976	US3989726 Platinum catalyzed isomerization of alkenyl succinic anhydrides
11/02/1976	US3989600 Distilling H2 O from aromatic carboxylic acid at a pH exceeding 9
10/1976
10/26/1976	US3988331 Oxidation of alpha-olefins with chromosulfuric acid
10/26/1976	US3988213 In a polymerization inhibitor
10/19/1976	US3987100 Cyclohexane oxidation in the presence of binary catalysts
10/19/1976	US3987094 And acyl halides, dehydrohalogenation, hydrolysis
10/19/1976	US3987088 Cyclic carbonyl compounds
10/19/1976	US3987073 Synthesis of tridecadienoic esters
10/19/1976	US3987064 Method for producing citraconic anhydride
10/19/1976	US3987063 Process for the production of maleic anhydride from butane
10/19/1976	US3986841 Apparatus for the continuous production of saturated aliphatic dicarboxylic acids
10/12/1976	US3985809 Production of anisaldehyde
10/12/1976	US3985800 Process for the manufacture of acrylic acid
10/12/1976	US3985797 Hydroxylation of aromatic compounds
10/12/1976	US3985796 Treating with hydrogen peroxide in an alkaline catalyst containing an aliphatic nitrile
10/12/1976	US3985779 M-phenoxyphenyl propionic acid derivatives and preparation thereof
10/12/1976	US3985776 Stannous stabilization of maleic anhydride
10/12/1976	US3985775 Vanadium-phosphorus oxide oxidation of N-butane to maleic anhydride
10/12/1976	US3985731 2H-2-benzazepin-1,3-diones
10/12/1976	US3985680 Oxidation catalyst
10/05/1976	US3984579 Novel flavoring compositions and products containing isomer mixtures containing high proportions of 2-methyl-cis-3-pentenoic acid
10/05/1976	US3984466 In ammonium bisulfate solution
10/05/1976	US3984465 Diuretic, saluretic and uricosuric
10/05/1976	US3984459 Novel cyclopentane derivatives
10/05/1976	US3984446 Process for preparation of terpene flavorants and novel intermediates therefor
10/05/1976	US3984440 Polyene compounds
10/05/1976	US3984439 Process for the manufacture of polylactones derived from poly-α-hydroxyacrylic acids
10/05/1976	US3984149 Compressed air braking system
09/1976
09/28/1976	US3983243 Epithio compounds
09/28/1976	US3983208 Recovery of vanadium and copper catalyst metals using ketones
09/28/1976	US3983170 Process for the purification of malic acid
09/28/1976	US3983010 Recovery of the formic acid/water azeotrope by distillation
09/21/1976	US3982002 Vincamine 2-ketoglutarate and compositions containing vincamine 2-ketoglutarate
09/21/1976	US3981973 Metal salts
09/21/1976	US3981922 Insecticides
09/21/1976	US3981912 Process for the preparation of unsaturated carboxylic acids by the catalytic oxidation in gaseous phase of the corresponding aldehydes
09/21/1976	US3981909 Autooxidization of p-tolualdehyde
09/21/1976	US3981888 Friedel crafts acylation followed by reaction with formaldehyde
09/14/1976	US3980704 Extraction of carboxylic acids from dilute aqueous solutions
09/14/1976	US3980703 Extraction of carboxylic acids from dilute aqueous solutions
09/14/1976	US3980702 Extraction of carboxylic acids from dilute aqueous solutions
09/14/1976	US3980701 Extraction of carboxylic acids from dilute aqueous solutions
09/14/1976	US3980683 Process for carboxylation of olefins
09/14/1976	US3980671 Process for the manufacture of vinyl acetic acid and optionally of γ-b
09/14/1976	US3980670 Hydroformylation of carboxylic acid allyl esters in rhodium catalysts; oxidation
09/14/1976	US3980585 Vanadium, hafnium, alkali or alkaline metals, phosphorus, copper, uranium
09/07/1976	US3979450 Ozonolysis, cyclo-olefins, heat treatment, degradation, acid catalysts
09/07/1976	US3979448 Processes for the continuous production of aromatic carboxylic acids by oxidation with nitric acid of aromatic compounds containing oxidizable acyclic substituents
09/07/1976	US3979430 Solvolytic process for the preparation of 2-(5H-dibenzo[a,d]cyclohepten-5-on-2-yl)acetic, propionic and butyric acids
08/1976
08/31/1976	US3978120 Method for the production of alicyclic anhydrides
08/31/1976	US3977998 Process for preparing phosphorus-vanadium-oxygen catalysts
08/24/1976	US3976691 Dialkylaminosulfur trifluorides as fluorinating agents
08/24/1976	US3976688 Molybdenum-phosphorus-oxygen containing catalyst
08/24/1976	US3976686 Diuretic, saluretic, uricosuric
08/24/1976	US3976677 Process for carboxylating organic substrates with carbon dioxide in hydrocarbon solvents
08/24/1976	US3976673 4-Cyclopropylmethyleneoxy-3-chlorophenylacetic acid and salts thereof
08/24/1976	US3976666 Removal of deactivating dust particles from fixed bed catalysts in the vapor phase oxidation of naphthalene to phthalic anhydride
08/24/1976	US3976590 Mixture of homologue anhydrides of tetra-hydrophthalic anhydride and the process for obtaining same
08/17/1976	US3975540 2-Substituted-5-oxo-5H-dibenzo(a,d)cycloheptenes, and derivatives thereof, and methods and compositions for the use thereof
08/17/1976	US3975437 Analgesic, antipyretic, antiinflammatory
08/17/1976	US3975431 Preparing carboxylic acids from glycidonitriles through enol acylates
08/17/1976	US3975408 Maleic anhydride, inorganic halide
08/17/1976	US3975407 Oxidation of olefin, tungsten-phosphorus oxide catalyst
08/17/1976	US3975301 Dehydrogenation catalyst consisting of the calcined residue of ferric phosphate and lead phosphate
08/17/1976	US3975300 One step method of preparation of vanadium-phosphorus complex in the absence of hydrogen halide
08/10/1976	US3974226 Process for preparation of terpene flavorants and novel intermediates therefor
08/10/1976	US3974216 Process for recovering ammonium organic salts from aqueous solutions
08/10/1976	US3974214 Isophthalic acid manufacture

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