| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 10/13/1993 | CN1077191A Process for selective hydrodefluorination |
| 10/12/1993 | US5252752 Process for the production of carboxylic anhydrides |
| 10/12/1993 | CA1323039C Process for the purification of d-hydroxyphenoxypropionic acid |
| 10/07/1993 | DE4211126A1 High selectivity hydrogenation of acetylene(s) to olefin(s) - using catalyst contg. palladium salt and activator, pref. carbonate |
| 10/07/1993 | DE4210733A1 Oxidn. of electron-deficient olefin(s) using osmium cpds. - e.g. to produce 1,2-diol(s) or 1,2-di-ketone(s) or to stereospecifically cis hydroxylate cyclic olefin(s) |
| 10/06/1993 | EP0564254A1 Polycyclic aromatic ring cleavage (parc) process |
| 10/06/1993 | EP0564081A2 Production of an organic salt of a rare earth metal |
| 10/06/1993 | EP0563986A2 Process for selective hydrodefluorination |
| 10/06/1993 | EP0563831A2 Process for the preparation of formic acid by thermal cracking of quarternary ammonium formates |
| 10/06/1993 | EP0563825A2 Process for producing vitamin A acid |
| 10/06/1993 | EP0563302A1 Method and apparatus for granulation |
| 10/06/1993 | EP0563124A1 Continuous process for the preparation of acetic anhydride or mixtures of acetic anhydride and acetic acid. |
| 10/06/1993 | CN1076925A A process for producing the mixture of ethylene and acetic acid by oxidating ethane controlled |
| 10/06/1993 | CN1022318C Process for the production of trimellitic anhydride and pyromellitic dianhydride |
| 10/05/1993 | US5250729 Vapor phase catalytic deetherification or dehydroxylation of alpha- or beta-hydroxy or alkoxy esters using crystalline aluminum silicate zeolites and mild conditions |
| 10/05/1993 | US5250727 Preparation of alkoxyalkanoic acids |
| 10/05/1993 | US5250726 Process for the preparation of 3-pentenoic acid from butadiene |
| 10/05/1993 | US5250724 Process for the preparation of trimellitic acid |
| 10/05/1993 | US5250714 Mixing fatty acid, basic alkaline earth metal compound, basic alkali metal compound in aqueous medium, recovering salt formed in exothermic reaction |
| 10/05/1993 | US5250485 Mixing high molecular weight addition polymer with mixed oxide catalyst, molding, heat treating |
| 10/05/1993 | CA1322762C Process for the preparation of aliphatic carboxylic acids |
| 10/05/1993 | CA1322724C Gel composition |
| 10/04/1993 | CA2083251A1 Process for selective hydrodefluorination |
| 10/01/1993 | CA2091743A1 Polycyclic aromatic ring cleavage (parc) process |
| 09/30/1993 | WO1993019030A1 Production of xylitol |
| 09/30/1993 | WO1993018856A1 Shell catalyst, process for producing the same and its use |
| 09/30/1993 | DE4209832A1 Schalenkatalysator, sein Herstellungsverfahren und seine Verwendung Coated catalyst, its production method and its use |
| 09/30/1993 | DE4209324A1 Prepn. of branched hydrocarbon cpds. - by reaction of unsatd. fatty acid or ester or olefin, with halogen cpd., using metal salt catalyst, for use in lubricants and additives for synthetics and prepn. of polyamide(s) |
| 09/29/1993 | EP0563025A1 Catalytic system for oxidation of organic compounds and process of preparation of such a system |
| 09/29/1993 | EP0562806A1 Process for producing an alpha, beta-unsaturated carboxylic acid |
| 09/29/1993 | EP0562643A2 7-Substituted-hept-6-enoic and -heptanoic acids and derivatives thereof |
| 09/29/1993 | EP0562105A1 Process for preparing 2,6-naphthalenedicarboxylic acid---------- |
| 09/29/1993 | EP0561908A1 METHOD FOR PREPARING $g(a)-ARYLPROPIONIC ACIDS |
| 09/29/1993 | EP0558474A4 Process for the preparation of phenyl carbonates |
| 09/29/1993 | CN1022240C Process for producing perfluoro-carbonyl fluoride |
| 09/29/1993 | CN1022239C Process for preparation of 3,3-dimethyl-penten-4 acid |
| 09/29/1993 | CN1022238C Purification of acetic acid with ozone |
| 09/29/1993 | CN1022237C Quenching process of reaction product gas containing methacrycic acid and treatment method of quenched liquid |
| 09/28/1993 | US5248819 Process for recovering methacrolein |
| 09/28/1993 | US5248817 With N-bromosuccinimide or dibromodimethylhydantoin in an aqueous alkali; antipsychotic intermediate |
| 09/28/1993 | US5248816 From glycolic acid and borate |
| 09/28/1993 | US5248815 Stereo-selective synthesis of 2-aryl-propionic acids of high optical purity by using chiral oxazolines |
| 09/28/1993 | US5248813 Salt formation, purification of ibuprofen |
| 09/28/1993 | US5248798 Method of preparation of 8-hydroxyoctanoic acid |
| 09/28/1993 | US5248396 Process for preparing butanetetracarboxylic acid |
| 09/22/1993 | EP0561439A2 Process and apparatus for performing chemical conversions |
| 09/22/1993 | CN1022183C Process for preparing quinolone carboxylic acid intermediates |
| 09/22/1993 | CN1022182C Process for producing high purity terephthalic acids |
| 09/21/1993 | US5247106 Reducing clearing time by adding fatty acid halide to turbid layer; halogenating fatty acid |
| 09/21/1993 | US5247105 Fatty acid halogenide manufacture |
| 09/21/1993 | US5246637 Splitting graft polymer into yarns, charging |
| 09/16/1993 | WO1993017999A1 Direct-dyeing colouring agents for natural and synthetic fibres |
| 09/16/1993 | WO1993017994A1 Hydroxy derivatives of cyclohexadiene |
| 09/16/1993 | WO1993017990A1 One step carboxylic acid production process |
| 09/16/1993 | WO1993017989A1 Preparation of substituted or unsubstituted phenylglyoxals |
| 09/16/1993 | CA2102119A1 One step carboxylic acid production process |
| 09/15/1993 | EP0560656A2 Process for producing carboxylic acids by reaction of alkanes with carbon monoxide |
| 09/15/1993 | EP0560532A1 Preparation of cis-olefins |
| 09/15/1993 | EP0419610B1 New leukotriene b4 derivatives, process for producing them and their use as drugs |
| 09/14/1993 | US5245078 Adsorption on cationic ion exchange resin |
| 09/14/1993 | US5245063 Reacting a carboxylic acid and phosgene in the presence of a catalyst adduct of phosgene and a formamide |
| 09/14/1993 | US5244546 Process for preparing tetraalkyl butanetetracarboxylates |
| 09/14/1993 | US5244545 Preparation of acetic anhydride by contacting carbon monoxide with methyl iodide and methyl acetate and/or dimethyl ether in presence of catalyst and acetic acid; distillation |
| 09/14/1993 | CA1322193C Process for acetic acid preparation and heterogeneous catalyst for same |
| 09/09/1993 | DE4206536A1 Direktziehende farbstoffe fuer fasern natuerlichen ursprungs und synthetische fasern Substantive dyes for natural fibers and synthetic fibers origin |
| 09/08/1993 | EP0558974A1 Process for manufacturing unsaturated fatty acids |
| 09/08/1993 | EP0558938A2 Fluoro-substituted dicarboxylic acids, process for preparing them and use |
| 09/08/1993 | EP0558621A1 Process for improving flow characteristics of crystalline ibuprofen. |
| 09/08/1993 | EP0558474A1 Process for the preparation of phenyl carbonates |
| 09/08/1993 | CN1075951A Preparing benzene anhydride by low pressure gasifying naphthalene feed method |
| 09/07/1993 | US5243070 Process for resolution of racemates of 2,2-dimethylcyclopropanecarboxylic acid |
| 09/07/1993 | US5243067 Oxidative coupling |
| 09/07/1993 | US5242936 Phenoxy alkanol esters for treatment of allergic conditions |
| 09/07/1993 | US5242608 Oil and fuel additives |
| 09/02/1993 | WO1993016979A1 Mixed magnesium/zinc basic soaps |
| 09/02/1993 | WO1993016970A1 Supercritical separation of isomers of functional organic compounds at moderate conditions |
| 09/02/1993 | WO1993016969A1 Polyfluoroalkylation of aromatic compounds |
| 09/02/1993 | CA2129118A1 Supercritical separation of isomers of functional organic compounds at moderate conditions |
| 09/01/1993 | EP0558415A1 Method of improving a smooth oxidation reaction |
| 09/01/1993 | EP0558028A1 Process for producing catalysts for synthesis of unsaturated aldehydes and unsaturated carboxylic acids |
| 09/01/1993 | EP0557272A1 Process for the preparation of difluoromaleic anhydride and intermediate compounds produced thereby. |
| 09/01/1993 | CN1075712A Method for improving the performance of VPO catalysts |
| 09/01/1993 | CN1075711A A method of preparing carboxylic acids or esters thereof by the oxidative cleavage of unsaturated fatty acids or esters thereof |
| 08/31/1993 | US5241113 Process for producing trifluoroacetyl chloride |
| 08/31/1993 | US5241112 Preparation of trialkylacetic acids, particularly of pivalic acid, using solid acid catalysis |
| 08/31/1993 | US5241111 Processes for producing 5-fluorobenzoic acids and their intermediates |
| 08/31/1993 | US5241094 Basic calcium aluminum hydroxide dicarboxylates, a process for their production and their use |
| 08/31/1993 | US5241003 Ashless dispersants formed from substituted acylating agents and their production and use |
| 08/31/1993 | US5240566 Distillation, adding sulfuric acid and water |
| 08/28/1993 | CA2090375A1 Method for enhancing an oxidation reaction |
| 08/26/1993 | DE4204886A1 Basische magnesium/zink-seifen, verfahren zu ihrer herstellung und ihre verwendung als stabilisatoren fuer thermoplastische kunststoffe Basic magnesium / zinc soaps, process for their production and their use as stabilizers for thermoplastic plastics |
| 08/25/1993 | EP0557169A1 Catalyst for the dehalogenation of alpha-halogenated carboxylic acids and the use thereof for purifying monochloroacetic acid |
| 08/25/1993 | EP0557167A1 Preparation of fluorinated functional compounds |
| 08/25/1993 | EP0556660A1 Utilisation of fatty alpha-hydroxy acids and the compositions containing them |
| 08/25/1993 | CN1021907C Method for preparation of acetic acid with cauldron gruop in series |
| 08/24/1993 | US5239117 Rhodium catalyzed hydrogen transfer redox reactions |
| 08/24/1993 | US5239116 Preparation of secondary alkoxyalkanoic acids |
| 08/24/1993 | US5239115 Oxidation of methacrolein using vanadyl pyrophosphate catalyst |
| 08/24/1993 | CA1321597C2 Intermediates for the production of podophyllotoxin and related compounds and processes for the preparation and use thereof |
| 08/24/1993 | CA1321596C2 Intermediates for the production of podophyllotoxin and related compounds and processes for the preparation and use thereof |