Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
08/1977
08/30/1977US4045295 And hydrogen chloride; distillation
08/23/1977US4044060 Process for preparing geminal dihalides
08/23/1977US4044027 Maleic anhydride process
08/23/1977US4043943 Process for producing a mixed oxide of vanadium and phosphorus having an improved intrinsic surface area
08/16/1977US4042710 Pesticides
08/16/1977US4042680 Anticariogenic maloaluminate complexes
08/16/1977US4042625 Mixed oxides of molybdenum, phosphorus, magnesium, and other metal
08/16/1977US4042623 Method of manufacturing methacrylic acid and an oxidation catalyst
08/16/1977US4042620 Continuous process for the production of maeamic acids
08/16/1977US4042533 Producing unsaturated aliphatic acids
08/16/1977US4042531 Oxidation catalyst and process
08/09/1977US4041173 2-Carboxy-(7-,8- and 9-substituted)-5-oxo-5H-dibenzo (a,d) cycloheptenes and the corresponding 10,11-dihydro compounds
08/09/1977US4040978 Production of (amm)oxidation catalyst
08/09/1977US4040913 Recovery of methacrylic acid from the effluent obtained from the condensation of formaldehyde and propionic acid
08/02/1977US4039683 Anticholesterol agents
08/02/1977US4039600 Zeolite catalyst
08/02/1977US4039564 Production of carboxylic acids from unsaturated hydrocarbons in the presence of HF and A cuprous compound
08/02/1977US4039563 Process for preparing cyclopent-2-en-1-one derivatives
08/02/1977US4039428 Iodine, ethyl iodide
08/02/1977US4039395 Purification of acetic acid
07/1977
07/26/1977US4038310 Metathesis between an acid and a perfluoro acid fluoride
07/26/1977US4038309 Production of 2-hydroxynaphthalene-3-carboxylic acid
07/26/1977US4038299 2-Substituted-5-oxo-5H-dibenzo [a,d] -cycloheptene esters
07/26/1977US4038297 High molecular weight monocarboxylic acids and ozonization process for their preparation
07/26/1977US4038087 Varnish for printing inks and its method of preparation
07/19/1977US4036940 Copper and chromium oxides on alumina, adsorption
07/19/1977US4036873 Preparation of alkyl substituted o-hydroxybenzoic acid esters
07/19/1977US4036829 Lactonyl esters of penicillins
07/19/1977US4036783 Vanadium pentoxide, titanium trioxide, ring-shaped carrier
07/19/1977US4036780 Catalyst for the preparation of maleic anhydride
07/19/1977US4036594 Apparatus for recovering higher melting organic materials via fractional sublimation
07/12/1977US4035509 Antiallergens
07/12/1977US4035419 Food additives
07/12/1977US4035418 Process for producing unsaturated aldehydes and unsaturated carboxylic acids
07/12/1977US4035417 Process for producing acrylic acid or methacrylic acid
07/12/1977US4035396 Process for preparing alkylanthraquinone
07/12/1977US4035388 Process for preparing perfluoro-alkoxy-propionic acid fluorides
07/12/1977US4035376 Aroyl-substituted phenylacetic acid derivatives
07/12/1977US4035262 Molybdenum, vanadium, chromium, copper, tantalum, niobium oxides on
07/05/1977US4034008 Process for preparing unsaturated acids and aldehydes
07/05/1977US4034007 Liquid phase oxidation of halogenated alkylbenzene, heavy metal catalyst
07/05/1977US4034006 2,6-disubstituted phenol, alkali metal hydroxide, carbon dioxide
07/05/1977US4034005 Process for making aromatic acids
07/05/1977US4034004 Process for the preparation of carboxylic acids from organic halides
07/05/1977US4033987 Isolating naphthoquinone and phthalic anhydride from naphthalene oxidation product
07/05/1977US4033986 Process for the preparation of 4-bromo-1,8-naphthalic acid anhydride
06/1977
06/28/1977US4032570 Oxidation, cobalt compound
06/28/1977US4032569 Oxidation, cobaltic ions
06/28/1977US4032568 Production of 2-hydroxynaphthalene-3-carboxylic acid
06/28/1977US4032560 Oxa phenylene prostaglandin analogs
06/28/1977US4032555 Alkali metal phenolate
06/28/1977US4032548 Process for preparing 1,4-naphthoquinone
06/28/1977US4032321 N,n-dialkyl-n'-(substituted-5-isothioazolyl)-n'-acylureas as herbicides
06/21/1977US4031243 2-(4-Isobutyl phenyl)butyric acid, salts thereof, and pharmaceutical compositions containing the same
06/21/1977US4031226 Antiemetic, psychotropic
06/21/1977US4031136 Glyoxalacetal, ketene, acid catalyst
06/21/1977US4031135 Manufacture of acrylic acid by oxidation of propylene with oxygen-containing gases in two separate catalyst stages
06/21/1977US4031134 Phenoxy carboxylic acid derivative
06/21/1977US4031133 Phenylacetic acids
06/14/1977US4029748 Iridium carbonyl complexes
06/14/1977US4029682 Soaps and ester-soaps of α-olefin derived high molecular weight acids
06/14/1977US4029636 Method for reducing molybdenum trioxide content of gases issuing from reactors containing molybdenum-based catalysts
06/14/1977US4029592 Anhydrided, halogenated hydrocarbon, tarry by-product suppressants
06/14/1977US4029560 Process for producing α,α,α,α',α',α'-hexachloroxylene
06/14/1977US4029553 Purification of acetic acid streams by distillation
06/07/1977US4028423 Oxidation of aliphatic and alicyclic hydrocarbons
06/07/1977US4028418 Process for the preparation of cyclobutanones
06/07/1977US4028407 Method of producing tartaric acid
06/07/1977US4028388 Preparation of acids
06/07/1977US4028385 Rectification
05/1977
05/31/1977US4026929 Selective extraction of glyoxylic acid from aqueous mixture with glyoxal
05/31/1977US4026928 Low molecular weight vinyl polymers and process for preparing
05/31/1977US4026917 Method of removing polynuclear aromatic compounds by adsorption with coconut charcoal
05/31/1977US4026911 Process for the preparation of ketoalkynoic acids and use of the process in an improved synthesis of 2-(substituted)-cyclo-pentane-1,3,4-triones
05/31/1977US4026770 Process for removing 1,4-naphthoquinone from phthalic anhydride
05/24/1977US4025649 Inhibitors of a transaminase enzyme, antianoxic, anticonvulsant
05/24/1977US4025549 Catalytic, from methanol, acrolein and oxygen in gas phase
05/24/1977US4025505 Aromatic dicarboxamides
05/10/1977US4022838 1,1-diar-ketones, nitric acid, water
05/10/1977US4022824 Perfluorocarboxylic acids from carboxylic acids and perfluorocarboxylic acid fluorides
05/10/1977US4022823 Esters-formals of 3-methylene-1,5-pentanediol, nitric acid, nitrogen dioxide
05/10/1977US4022822 Process for preparing sorbic acid
05/10/1977US4022817 Esters prepared from diacylium complexes of tetrahaloterephthalic acid
05/10/1977US4022725 Condensed oligomeric organo metallic resinous acylates containing ligands of monobasic carboxylic acid of at least 7 carbon atoms and bridging radicals of divalent carboxylic acids of at least 6 carbon atoms and processes for producing such resins
05/03/1977US4021492 P-pivaloyl toluene, bromine
05/03/1977US4021478 Preparation of carboxylic acids from glycidonitriles with ionic lewis acids
05/03/1977US4021461 Aliphatic hydrocarbon 2,4-dienoic acids, esters and derivatives thereof
05/03/1977US4021427 Oxidation of 1,3-butadiene to maleic anhydride using a catalyst containing Mo, Sb, V and either one or both of Li and Ce
05/03/1977US4021310 Method for inhibiting the polymerization of acrylic acid or its esters
04/1977
04/26/1977US4020174 Reactivation of maleic anhydride producing phosphorus-vanadium-oxygen complex oxidation catalysts by treatment with halide containing materials
04/26/1977US4020102 Production of 2-hydroxynaphthalene-3-carboxylic acid
04/26/1977US4020097 Hypotensive, anticoagulant
04/26/1977US4020094 2-Substituted-5-oxo-5H-dibenzo[a,d]cycloheptenes, the salts and esters thereof, having pharmaceutical activity
04/26/1977US4020073 Process for O-acylating thallus salts of 2-pyridone
04/19/1977US4018922 Neuroleptics, analgesics, spasmolytics, and antihistamines
04/19/1977US4018876 Process for the production of metal oxalates and soda ash
04/19/1977US4018875 Ammonium oxalate process
04/19/1977US4018805 Reaction with strong mineral acid
04/19/1977US4018709 Vanadium-phosphorus-oxygen as main components
04/12/1977US4017521 Process for the manufacture of maleic anhydride using high surface area catalyst