| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 07/20/1988 | CN87106904A Process for regenerating carbonylation catalyst solution to remove corrosion metals |
| 07/20/1988 | CN87101271A Improving of permeability contrast by use of sulfate radical-free polyvalent chelate chromium propionate (iii) |
| 07/19/1988 | US4758588 Diaminocyclohexane platinum complexes |
| 07/19/1988 | CA1239424A1 Preparation of formic acid |
| 07/14/1988 | EP0268616A4 Composition of matter containing potassium acetylsalicylate and useful for producing solutions of potassium acetylsalicylate, and process for preparation. |
| 07/13/1988 | EP0274444A2 Solution inbuprofen complexes, compositions and processes for preparing the same |
| 07/13/1988 | EP0274387A2 Alkali resistant hyperfiltration membrane |
| 07/13/1988 | EP0274076A2 Acid accelerated hydrocarboxylation |
| 07/13/1988 | EP0205536B1 Separation of isomers of cyclopropane carboxylic acids |
| 07/13/1988 | CN87107637A Photochlorination of aromatic compounds in side chain |
| 07/13/1988 | CN87101182A Process for preparing new derivatives of 2.2-dimethyl cyclopropane carboxylic acid |
| 07/12/1988 | US4757155 Process for the preparation of optically active 2-[4-(2',4'-dihalophenoxy)phenoxy]propionic acids |
| 07/12/1988 | US4757140 Coenzyme a derivatives of all-trans- and 13-cis retionic acid |
| 07/12/1988 | CA1239149A2 Cyclopropane carboxylic acid derivatives; process for preparing the same and their use for controlling plant pests; compositions thereof and new intermediates produced |
| 07/06/1988 | EP0273553A1 Single phase carbonylation of aromatic halides to carboxylic acid salts |
| 07/06/1988 | EP0273489A2 Process for the selective preparation of alkenecarboxylic acid derivatives |
| 07/06/1988 | EP0273316A2 Stereoconvergent process for preparing optically active carboxylic acids |
| 07/06/1988 | EP0273216A2 Prostacyclin analogue and anti-ulcer composition containing it as active ingredient |
| 07/06/1988 | CN87104325A Technology for cirnlating use of catalyst |
| 07/05/1988 | US4755622 Process for the production of trimellitic acid and pyromellitic acid by staged bromine addition in an oxidation of polyalkylaromatics |
| 07/05/1988 | US4755621 Process for the preparation of 2,3,5,6-tetrafluorobenzoic acid, and the new compounds 2,3,5,6-tetrachloro-4-trifluoromethyl-benzoyl chloride and 2,3,5,6-tetrafluoro-4-trifluoromethyl-benzoyl fluoride |
| 07/05/1988 | US4755617 Process for the preparation of 4'-hydroxybiphenyl-4-carboxyl acid |
| 07/05/1988 | US4755616 4,4-bis(4-hydroxyphenyl)cyclohexanecarboxylic acid derivatives and process for preparing same |
| 07/05/1988 | US4755295 Multistage arrangement for countercurrent separation and methods of operating same |
| 07/05/1988 | CA1238923A1 Optically-active di[3-chloro-2-oxy- propyltrimethylammonium]-tartrate |
| 07/05/1988 | CA1238919A1 Obtaining anhydrous or substantially anhydrous formic acid by hydrolysis of methyl formate |
| 07/05/1988 | CA1238917A1 Detergent builder |
| 06/30/1988 | WO1988004685A2 A process for overbasing via metal borate formation |
| 06/30/1988 | WO1988004650A1 Process for the recovery of succinic acid from its mixtures with other carboxilic acids |
| 06/29/1988 | EP0273008A2 Process for the preparation of 2,2-difluoropent-4-ene-carboxylic acids and derivatives |
| 06/29/1988 | EP0272945A1 Catalytic process for the carbonylation of alkanes |
| 06/29/1988 | EP0272787A2 Catalytic production of optically active carboxylic acid |
| 06/29/1988 | EP0272644A2 Intermediates and their use in the synthesis of organic compounds |
| 06/29/1988 | EP0272501A1 Method for the production of 4-(2'-chloroethyl)benzoic acid |
| 06/29/1988 | EP0272478A1 Glycyrrhetic acid derivatives and use thereof |
| 06/29/1988 | CN87108228A 流化床 Fluidized Bed |
| 06/28/1988 | US4754089 Separation of phase by permeable membrane |
| 06/28/1988 | US4754064 Catalytic hydrogenation of corresponding phthalic acids |
| 06/28/1988 | US4754063 Salicylates and process for their preparation |
| 06/28/1988 | US4754062 Iron-enhanced selectivity of heavy metal-bromine catalysis in the oxidation of polyalkylaromatics |
| 06/28/1988 | US4754060 Oxidation of 2,6-diisopropylnaphthalene in the presence of heavy metal and bromine catalyst |
| 06/28/1988 | US4753747 Below melting point of the fatty acid |
| 06/28/1988 | CA1238648A1 Method for production of oxydicarboxylic acid salts |
| 06/23/1988 | DE3642329A1 Process for acylating aromatics |
| 06/22/1988 | EP0271747A2 Process for the continuous fractionation of a mixture of fatty acids |
| 06/22/1988 | EP0217191B1 Process for the separation of iodine and its compounds from carbonylation products obtained by the carbonylation of dimethyl ether, methyl acetate or methanol |
| 06/22/1988 | CN87107325A Process for selective preparation of alkenecarboxylic acid derivatives |
| 06/21/1988 | US4752417 Method for optical resolution of phenylacetic acid derivative |
| 06/21/1988 | CA1238342A1 Omega-/2,4-dihalobiphenylyl/oxo alkanoic acids and a process for their preparation |
| 06/21/1988 | CA1238341A1 Process for preparing naproxen |
| 06/16/1988 | WO1988004286A1 Phase transfer catalysis |
| 06/16/1988 | WO1988004199A1 Fluidized bed |
| 06/15/1988 | EP0271371A1 Process for the extractive separation of a carboxylic acid from an aqueous solution of said acid |
| 06/15/1988 | EP0271311A2 Ruthenium-phosphine complexes |
| 06/15/1988 | EP0271310A2 Ruthenium-phosphine complexes |
| 06/15/1988 | EP0271275A1 Trifluorohydroxyaromatic acid and preparation thereof |
| 06/15/1988 | EP0271212A2 Process for preparation of carboxylic acid ester containing fluorine |
| 06/15/1988 | EP0271145A2 Process for the carbonylation of conjugated dienes |
| 06/15/1988 | EP0271144A2 Process for the carbonylation of acetylenically unsaturated compounds |
| 06/15/1988 | EP0271139A1 Process for producing carboxylic acids |
| 06/15/1988 | EP0270999A1 Process for the separation of aldehydes from alpha, beta-olefinic unsaturated carboxylic acids |
| 06/15/1988 | EP0270964A2 Process for obtaining substituted fluorobenzenes |
| 06/15/1988 | CN87107284A Process for carbonylation of conjugated dienes |
| 06/15/1988 | CN87107279A Process for carbonylation of acetylenically unsaturated compounds |
| 06/14/1988 | US4751303 Benzoquinone derivatives and production thereof |
| 06/14/1988 | US4751240 Phenol derivatives |
| 06/14/1988 | US4751027 Process for the preparation of perfluorocarboxylic acids |
| 06/14/1988 | US4750978 Method for oxidizing groups to carboxylic acids under basic conditions |
| 06/14/1988 | CA1238053A1 INCREASED SELECTIVITIES IN THE OXIDATION OF OLEFINS TO .alpha.,.beta.-UNSATURATED CARBOXYLIC ACIDS |
| 06/14/1988 | CA1238052A1 INCREASED SELECTIVITIES IN THE OXIDATION OF OLEFINS TO .alpha.,.beta.-UNSATURATED CARBOXYLIC ACIDS |
| 06/08/1988 | EP0270398A1 Catalytic system and catalytic process for the carbonylation of alkanes |
| 06/08/1988 | CN87103192A Production of composite oxide catalysts |
| 06/07/1988 | US4749811 Carboxylation of enol acetate with carbon monoxide and organic hydroxyl; two chiral centers |
| 06/07/1988 | US4749810 Strong acid hydrocarboxylation of propylene to isobutyric acid using metal phthalocyanines as co-catalysts |
| 06/07/1988 | US4749804 Preparation of stereoisomers of ketals |
| 06/07/1988 | US4749797 Tetra-alkyl-2,2,5,5-cyclohexanone-4-01-1 compounds and their sulphonyl derivatives, the process and the intermediates for preparing them and their use in the synthesis of cis-cyclopropane lactones |
| 06/07/1988 | US4749707 Citric acid salt of (+) vinpocetine |
| 06/07/1988 | US4749526 Process for preparing fluoraliphatic ether-containing carbonyl fluoride compositions |
| 06/07/1988 | US4749525 Process for the carbonylation of propylene |
| 06/07/1988 | CA1237728A1 Production of carboxylic acids from alcohols using rhodium complex catalysts |
| 06/07/1988 | CA1237722A1 2-¬4-¬(4,4,-dialkyl-2,6,-piperidinedion-1- yl)butyl|-1-piperazinyl| pyridines |
| 06/02/1988 | WO1988003130A3 Process for manufacturing 1-hydroxynaphthalene-2-carboxylic acid alkaline alts and 1-hydroxynaphthalene-2-carboxylic acid |
| 06/01/1988 | EP0269514A2 Derivatives of 2,2-dimethylcyclopropanecarboxylic acid bearing a saturated halogenated chain at C-3, process and intermediates for their preparation, their use as pesticides and compositions containing them |
| 06/01/1988 | EP0268616A1 Composition of matter containing potassium acetylsalicylate and useful for producing solutions of potassium acetylsalicylate, and process for preparation. |
| 06/01/1988 | CN87107943A Catalytic process for manufacture of acid fluoride |
| 06/01/1988 | CN87107860A Catalyst system and catalytic alkane carbonylation process |
| 06/01/1988 | CN87107198A Process for the preparation of 1-hydroxy-naphthalene-2-carboxylic acid and alkali salts thereof |
| 06/01/1988 | CN87106585A Process for production of aromatic carboxylic acids |
| 05/31/1988 | US4748273 Amphiphilic diacetylene compound containing benzene ring and film prepared therefrom |
| 05/31/1988 | US4748259 Process for the preparation of mixtures of metal salts of ring-substituted salicylic acid compounds |
| 05/31/1988 | US4748253 Process for preparing esters of alkanoic acids via rearrangement of alpha-haloketals |
| 05/31/1988 | US4748174 Nonsteroidal antiinflammatory and analgesic drugs |
| 05/31/1988 | US4748140 In situ activation process for fluid bed oxidation catalysts |
| 05/31/1988 | US4747969 Process for the production of fatty acid mixtures containing a high proportion of C6 -C10 -fatty acids |
| 05/31/1988 | CA1237444A1 Process for the preparation of acetic acid and/or methyl acetate |
| 05/25/1988 | EP0268322A1 Photochlorination of aromatic compounds in the side chain |
| 05/25/1988 | EP0268201A1 Method for regeneration of oxidation catalyst |
| 05/25/1988 | EP0268088A1 1-Aminomethylnaphthalene-6-sulfonic acid, its preparation and its use |
| 05/25/1988 | EP0267994A1 The use of a metal complex for the manufacture of a composition for treating dental structures |
| 05/24/1988 | US4746757 Process for producing (2-hydroxy-2-propyl)-naphthalene compounds |