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