| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 01/30/1996 | US5488143 Processes for the carbonylation of methanol to form acetic acid, methyl acetate and acetic anhydride |
| 01/30/1996 | US5488136 Esterifying with orthoformic acid ester and acid catalyst, ketalization, racemizing with alkali alkoxide, hydrolysis to racemic acid, isolation |
| 01/30/1996 | US5488131 Synthesis of compounds with predetermined chirality |
| 01/29/1996 | CA2154847A1 Preparation of difluoroacetic acid fluoride and difluoroacetic acid esters |
| 01/28/1996 | CA2154215A1 Process for preparation of fluorinated beta-keto ester |
| 01/25/1996 | DE4426132A1 Dehydration of acetic acid in adipic acid mfr. without cobalt salt pptn. |
| 01/24/1996 | EP0693472A1 Sodium monochloroacetate having ameliorated applicability |
| 01/24/1996 | CN1030764C Method of manufacturing ferulic acid |
| 01/22/1996 | CA2154309A1 Sodium monochloracetate with enhanced implementation properties |
| 01/18/1996 | WO1996001249A1 A process (ii) for making potassium formate |
| 01/18/1996 | WO1996001248A1 A process (i) for making potassium formate |
| 01/18/1996 | WO1996001247A1 Recovery of carboxylic acid from organic solution that contains an amine and an extraction enhancer |
| 01/18/1996 | WO1996001146A1 Process for preparing carboxylic acid salts and catalysts useful in such process |
| 01/18/1996 | DE4424710A1 Verfahren zur Carbonylierung von Olefinen A process for the carbonylation of olefins |
| 01/17/1996 | CN1030700C Process for making alkyl ethoxy carboxylates |
| 01/16/1996 | US5484530 Separation of enantiomers of non-steroidal anti-inflammatory drugs and chiral selector therefor |
| 01/11/1996 | WO1996000711A1 A process for converting aldehydes to acids |
| 01/10/1996 | EP0691335A1 Process for the preparation of succinic anhydride |
| 01/10/1996 | EP0691329A1 Process for the preparation of polyencarbonyl compounds with high content of the all E-isomer and their acetals or ketales |
| 01/10/1996 | EP0691323A1 Process for preparing 3,5-dihydroxy 4-bromobenzoic acid |
| 01/10/1996 | EP0691322A1 Process for preparing trifluoroacétyl fluoride |
| 01/10/1996 | EP0690837A1 Basic calcium carboxylates |
| 01/10/1996 | EP0690836A1 Carboxylic acid isomerisation method |
| 01/10/1996 | EP0610248B1 Process for preparation of cyclohexanedicarboxylic acid |
| 01/10/1996 | CN1114643A Therephthalic acid production using evaporative cooling |
| 01/10/1996 | CA2153461A1 Preparation of polyenecarbonyl compounds having a high content of the all-e-isomer, and of their acetals or ketals |
| 01/09/1996 | US5482597 Purification of crude (meth)acrylic acid |
| 01/09/1996 | US5482596 Mixed ligand catalyst for preparing aryl-substituted aliphatic carboxylic esters |
| 01/05/1996 | CA2153106A1 Process for preparing trifluoroacetyl fluoride |
| 01/04/1996 | WO1996000206A1 Method for preparing (+)-(1r)-cis-3-oxo-2-pentyl-1-cyclopentaneacetic acid |
| 01/04/1996 | WO1996000200A1 Process for improving enantiomeric purity of aldehydes |
| 01/04/1996 | DE4430010C1 Sepg. organic acid impurities from aq. malic acid soln. |
| 01/03/1996 | EP0690040A1 Recycling of exhaust gases in the N-butane conversion into maleic anhydride |
| 01/03/1996 | EP0689530A1 Method of preparing monochloroacetic acid with a reduced dichloroacetic acid content |
| 01/03/1996 | EP0689529A1 Process for the carbonylation of acetylenically unsaturated compounds |
| 01/03/1996 | EP0580818B1 PROCESS FOR DECOMPOSING $g(a),$g(b)-UNSATURATED CARBONYL COMPOUNDS IN REFINING ACETIC ANHYDRIDE AND/OR ACETIC ACID |
| 01/03/1996 | CN1114320A Vinylcarboxylic acid derivatives |
| 01/03/1996 | CN1114303A Process for pure grade acrylic acid |
| 01/02/1996 | US5481033 Purification process for aromatic dicarboxylic acids |
| 01/02/1996 | US5481032 Oxidation of benzophenone with peroxide compound |
| 01/02/1996 | US5481025 Saturated branched fatty acids containing 20 to 28 carbon atoms or esters thereof with C1-36 alkanols, a process for their production and their use |
| 12/28/1995 | WO1995035329A1 Derivatives of polyamines with one primary amine group and secondary or tertiary amines groups |
| 12/28/1995 | WO1995035325A1 Continuous process for production of functionalized olefins |
| 12/28/1995 | WO1995035324A1 Batch koch carbonylation process |
| 12/28/1995 | CA2190654A1 Continuous process for production of functionalized olefins |
| 12/28/1995 | CA2189689A1 Batch koch carbonylation process |
| 12/28/1995 | CA2189071A1 Derivatives of polyamines with one primary amine group and secondary or tertiary amines groups |
| 12/27/1995 | EP0688310A1 Catalyst and method for purifying crude terephthalic acid, isophthalic acid or naphthalene dicarboxylic acid |
| 12/27/1995 | CN1113936A A compound having improved low temperature fluidity, and a middle dist illate composition and a petroleum fuel composition containing the same |
| 12/27/1995 | CN1113908A Process |
| 12/26/1995 | US5478963 2,3-difluoro-6-nitrobenzonitrile and 2-chloro-5,6-difluorobenzonitrile-(2,3-difluoro-6-chlorobenzonitrile), process for their preparation and their use for the preparation of 2,3,6-trifluorobenzoic acid |
| 12/26/1995 | CA1337839C Synthesis of peptide amides by means of a solid phase method using acid-labile anchoring groups |
| 12/21/1995 | WO1995034717A1 Process for preparing aqueous metallic soap dispersions |
| 12/21/1995 | WO1995034300A1 Process for the preparation of acanthoic acid and pharmaceutical composition comprising same |
| 12/20/1995 | EP0687663A1 Process for separating aliphatic dicarboxylic acids from their mixtures with adipic acid |
| 12/20/1995 | EP0687662A2 Process for producing high purity acetic acid |
| 12/20/1995 | CN1113655A Process for producing acetic anhydride alone or both of acetic anhydride and acetic acid |
| 12/20/1995 | CN1030527C Preparation of 2,2,3,3-tetramethyl cyclopropylcarboxylic acid |
| 12/19/1995 | CA2077542C Chiral catalysts for enantioselective synthesis |
| 12/14/1995 | DE4428566C1 Acetic acid prodn. |
| 12/14/1995 | DE4420517A1 Verfahren zur Herstellung von wäßrigen Metallseifendispersionen A process for the production of aqueous metal soap dispersions |
| 12/13/1995 | EP0686633A1 A process for the production of phthalic anhydride |
| 12/13/1995 | EP0686619A1 Process for recovery of acetic acid from effluent containing organic impurities |
| 12/13/1995 | EP0686613A1 Ozonide reducing agent |
| 12/13/1995 | EP0686139A1 Alkaline calcium/zinc mixed soaps |
| 12/12/1995 | US5475135 Catalyst for the dehalogenation of α-halogenated carboxylic acids |
| 12/12/1995 | US5474960 Process for reactivating a fluid bed catalyst in a reactor dipley |
| 12/07/1995 | WO1995032940A1 Process for the production of olefin acid anhydrides and esters thereof |
| 12/07/1995 | WO1995032939A1 Process for the removal of iodine from carboxyl products |
| 12/07/1995 | WO1995032938A1 Process for the removal of iodine from acetyl compounds |
| 12/06/1995 | EP0685448A1 Process for purifying acrylic acid |
| 12/06/1995 | EP0685447A2 Method for inhibiting polymerization of (meth)acrylic acid and esters thereof |
| 12/06/1995 | EP0685446A1 Process for the preparation of acetic acid |
| 12/06/1995 | EP0685445A1 Process for removing iodine-containing compounds from acetic acid |
| 12/06/1995 | EP0685260A2 Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and method for production of unsaturated aldehyde and unsaturated carboxylic acid by the use of the catalyst |
| 12/06/1995 | EP0684941A1 Lactic acid extraction and purification process. |
| 12/06/1995 | EP0684863A1 Separation process |
| 12/06/1995 | EP0655951A4 Static condition process for the preparation of phosphorus/vanadium oxidation catalyst. |
| 12/06/1995 | CN1112915A Method for purification of sorbic acid |
| 12/06/1995 | CN1112910A Enhanced oxidation of organic chemicals |
| 12/06/1995 | CN1030448C Process for purification of acetic anhydride and acid |
| 12/06/1995 | CN1030447C Continuous production of aromatic carboxylic acid |
| 12/05/1995 | US5473102 Process for recovery of aromatic acid and dihydric alcohol from waste polyester resins |
| 12/05/1995 | US5473101 Oxidation of alkylaromatics |
| 12/05/1995 | US5473095 Process for the preparation of chlorinated 4,5-difluorobenzoic acids, -benzoic acid derivatives and -benzaldehydes |
| 12/05/1995 | US5473082 Device for carrying out catalyzed reactions |
| 12/05/1995 | US5472680 Decomposition by controlled heating |
| 12/05/1995 | CA1337701C Process for preparing acid anhydrides |
| 12/01/1995 | CA2150209A1 Process for pure grade acrylic acid |
| 11/30/1995 | WO1995032177A1 Recovery of carboxylic acid from organic solution that contains an amine and an extraction enhancer |
| 11/29/1995 | EP0555472B1 Process for ozonizing unsaturated fatty acid or lower alkyl ester thereof and oxidative decomposition of the resulting ozonide |
| 11/29/1995 | CN1112563A Water-soluble phosphine-derivatives |
| 11/29/1995 | CN1112458A Process for the preparation of an iridium-based solution, solution obtained and use of the latter as catalyst |
| 11/29/1995 | CN1030386C Technology for processing formylic acid with methyl formate hydrolytic decomposition |
| 11/28/1995 | US5471001 Crystallization of adipic acid |
| 11/28/1995 | US5470998 Process for the preparation of esters of stilbenedicarboxylic acid |
| 11/28/1995 | CA1337660C Alkoxy-substituted dihydrobenzopyran-2-carboxylate derivatives |
| 11/25/1995 | CA2124162A1 Compound having improved low temperature fluidity, and a middle distillate composition and a petroleum fuel composition containing the same |
| 11/23/1995 | WO1995031428A1 Liquid phthalic anhydride recovery process |
| 11/23/1995 | WO1995031427A1 Liquid phthalic anhydride recovery process |