| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 08/08/1996 | DE19503926A1 2-Hydroxy-4-phenyl-butyric acid prodn., used as intermediate for prodn. of ACE inhibitors |
| 08/08/1996 | DE19503471A1 Verfahren zur Herstellung von kernhalogenierten Benzoylchloriden A process for preparing nucleus-halogenated benzoyl chlorides |
| 08/07/1996 | EP0725054A1 Process for preparing terephthalic acid and its isomers |
| 08/07/1996 | EP0724908A1 Noble metal raney catalysts and preparation of hydrogenated compounds using such catalysts |
| 08/07/1996 | EP0724557A1 A process for separating lipophilic compounds |
| 08/07/1996 | EP0724481A1 METHOD FOR THE PRODUCTION OF CATALYTICALLY ACTIVE MULTI-METAL OXIDE COMPOSITIONS CONTAINING THE ELEMENTS V AND Mo IN OXIDE FORM AS THEIR MAIN COMPONENTS |
| 08/07/1996 | CN1128254A Preparation method of cobalt acetate |
| 08/06/1996 | US5543568 Preparation of α,β-unsaturated β-oxycarboxylic acid chlorides |
| 08/06/1996 | US5543565 Method for forming two terminal carboxylic acid groups from an ozonide |
| 08/06/1996 | US5543564 Process for releasing acidic organic compounds from salts thereof by carbon dioxide |
| 08/06/1996 | US5543560 Hydrogenolytic reduction of peroxidic ozonolysis products |
| 08/06/1996 | US5543532 Catalyst and method for vapor phase oxidation of alkane hydrocarbons |
| 08/01/1996 | WO1996022965A1 Novel aromatic amides, method for preparing and compositions containing same, and use thereof as pesticides |
| 08/01/1996 | WO1996022959A1 Preparation of optically active aliphatic carboxylic acids |
| 08/01/1996 | CA2211265A1 Preparation of optically active aliphatic carboxylic acids |
| 07/31/1996 | EP0723950A1 Process for producing alkylbenzoyl chloride |
| 07/31/1996 | EP0723532A1 Process for recovering dicarboxylic acid with reduced impurities from polyester polymer |
| 07/31/1996 | CN1127747A Purification of crude (meth) acrylic acid |
| 07/31/1996 | CN1127746A Process for refining methacylic acid |
| 07/31/1996 | CN1127744A Method for seperating fatty bi-acid from mixture of fatty bi-acid and adipic acid |
| 07/31/1996 | CN1127743A Specific grade zinc stearate and its producing process |
| 07/30/1996 | US5541351 Cyclopentadiene type compounds and method for making |
| 07/30/1996 | CA1338493C Bicyclic aromatic derivatives; process for preparing the same and their use in cosmetics |
| 07/25/1996 | WO1996022272A1 Process for producing optically active 2-halogen propionic acids |
| 07/25/1996 | WO1996022271A1 A method for forming two terminal carboxylic acid groups from an ozonide |
| 07/25/1996 | WO1996022268A1 Organic compounds and processes for their manufacture |
| 07/25/1996 | DE19536814A1 Cheap prepn. of terephthalic acid from di:methyl terephthalate - using enough reaction water and stripping steam to keep prod. in soln. in countercurrent hydrolysis and crystallisation without washing stages |
| 07/25/1996 | DE19501452A1 Verfahren zur Herstellung von optisch aktiven 2-Halogenpropionsäuren A process for preparing optically active 2-halopropionic acids |
| 07/25/1996 | CA2211024A1 Preparation of optically active 2-halopropionic acids |
| 07/25/1996 | CA2209494A1 Organic compounds and processes for their manufacture |
| 07/25/1996 | CA2167781A1 Process for the preparation of terephthalic acid and its isomers |
| 07/24/1996 | EP0722927A1 Process for the production of terephthalic acid |
| 07/24/1996 | EP0722926A1 Process for rectificative separation of (meth)acrylic acid from the (meth)acrylic acid and lower aldehydes containing mixture |
| 07/24/1996 | EP0722925A1 Process for rectificative separation of (meth)acrylic acid from the (meth)acrylic acid containing mixture |
| 07/24/1996 | EP0722924A1 Process for the preparation of succinic anhydride |
| 07/24/1996 | EP0722433A1 Method to produce cyclic esters |
| 07/24/1996 | EP0722432A1 Method for preparing of mono or di-2-substituted cyclopentanone |
| 07/24/1996 | EP0471853B1 Process for producing methacrylic acid |
| 07/24/1996 | CN1127246A Method for preparation of mono-and-binary-carboxyl from unsatured fatty acid and/or its derivative |
| 07/24/1996 | CN1127245A Catalytic systems and methods for carbonylation |
| 07/24/1996 | CN1032358C Process for preparing hexanedioic acid by hydro-carboxylation of pentenoic acid |
| 07/24/1996 | CN1032351C Process for selctive preparation of alkenecarboxylic deirvatives |
| 07/23/1996 | US5539135 Reaction of fatty acid with hydrotalcite and other minerals, catalyst for the addition of ethylene and propylene oxides to active hydrogen compounds |
| 07/23/1996 | CA2058043C Process for preparing adipic acid by hydroxycarboxylation of pentenoic acids |
| 07/23/1996 | CA2052442C Process for preparing adipic acic by hydrocarboxylation of pentenic acids |
| 07/19/1996 | CA2167454A1 Isolation of (meth)acrylic acid from a mixture containing (meth)acrylic acid as the main component and lower aldehydes as secondary components by rectification in a rectification column consisting of a stripping section and a rectificati n section |
| 07/19/1996 | CA2166917A1 Process for the fractional separation of (meth)acrylic acid from a mixture containing (meth)acrylic acid |
| 07/18/1996 | WO1996021638A1 Novel compounds |
| 07/17/1996 | EP0721931A1 Process for producing 2,6-naphtalenedicarboxylic acid and ester thereof |
| 07/17/1996 | EP0721613A1 A control system for acetic acid manufacturing process |
| 07/17/1996 | EP0721441A1 Halogenation reactions |
| 07/17/1996 | EP0639174B1 Continuous production of aromatic carboxylic acids |
| 07/16/1996 | US5536875 Enhanced oxidation of organic chemicals |
| 07/16/1996 | US5536874 Process for preparing arylacetic acid and arylpropionic acid derivatives |
| 07/16/1996 | US5536873 Preparation of pentenoic acid |
| 07/16/1996 | US5536870 Process for preparing olefins |
| 07/16/1996 | US5536858 Catalysts for hydrogenation using phosphinearylsulfonates |
| 07/16/1996 | US5536516 Hydroxycitric acid concentrate and food products prepared therefrom |
| 07/11/1996 | WO1996020912A1 Reactive distillation process and equipment for the production of acetic acid and methanol from methyl acetate hydrolysis |
| 07/11/1996 | DE19512845C1 Crystalliser for sublimed material with supported spirally-finned tube bundle |
| 07/10/1996 | EP0720512A1 CATALYST BASED ON Fe, Co, Bi AND Mo OXIDES |
| 07/10/1996 | CN1126195A Process for producing high purity acetic acid |
| 07/10/1996 | CN1126194A Method for reclaiming L-2-oxo-colombic acid |
| 07/09/1996 | US5534473 Catalyst systems for producing broad molecular weight polyolefin |
| 07/04/1996 | WO1996020202A1 Optically active diphosphines and method for preparing same by resolution of the racemic mixture |
| 07/04/1996 | WO1996020155A1 Process for preparing solid, free-flowing water-soluble salts of aryloxy-c1-c4-alkane carboxylic acids |
| 07/04/1996 | WO1996020154A1 Production of trialkylacetic acids using a solid cationic resin catalyst system |
| 07/04/1996 | CA2209164A1 Production of trialkylacetic acids using a solid cationic resin catalyst system |
| 07/03/1996 | EP0719757A1 Process for preparing 3-chlorophthalic anhydride |
| 07/03/1996 | EP0719756A1 Process for preparing carboxylic acids by oxidation of corresponding alkanes |
| 07/03/1996 | EP0719755A1 Process for the preparation of the enantiomers of 2-(2-fluoro-4-biphenyl)-propionic acid |
| 07/03/1996 | EP0719754A1 Method for producing aromatic carboxylic acids |
| 07/03/1996 | EP0719576A1 Process for producing highly pure terephthalic acid |
| 07/03/1996 | CN1125731A Compound of cis-diammo-1, 1-cyclopentyl-dicarboxylate platinum(II) with anti-cancer effect and its synthesis method |
| 07/03/1996 | CN1125714A Process for preparing new derivatives of 2,2-dinethyl cyclopropane carboxylic acid |
| 07/02/1996 | US5532421 Nitric acid as selective catalyst |
| 07/02/1996 | US5532416 Acylation of fluoro halo alkylbenzoyl compounds for herbicides |
| 07/02/1996 | US5532411 Reacting a carboxylic anhydride with a nitrogen compound |
| 07/02/1996 | US5532406 Process for preparing aromatic hydroxycarboxylic acids |
| 07/02/1996 | US5532395 Hydrogenation catalysts ) |
| 07/02/1996 | US5532385 Vanadium-phosphonate catalyst |
| 07/02/1996 | US5532384 Process for producing hydrocarbon partial oxidation products |
| 07/02/1996 | US5532199 Mixed oxide of at least molybdenum and bismuth on glass fibers, oxidation of olefin to unsaturated aldehyde or acid |
| 07/02/1996 | CA1338433C Preparation of ó-arylalkanoic acids |
| 06/30/1996 | CA2166244A1 Process for preparing carboxylic acids through mild oxidation of related alkanes |
| 06/27/1996 | WO1996019432A1 Purification process for aromatic dicarboxylic acids |
| 06/27/1996 | WO1996019431A1 Resolution of ibuprofen using a n-alkyl-d-glucamine |
| 06/27/1996 | WO1996019430A1 Improved process for the purification of aromatic polycarboxylic acids |
| 06/27/1996 | WO1996019427A1 Carbonylation of olefins |
| 06/27/1996 | WO1996019412A1 Method of producing off-gas having a selected ratio of carbon monoxide to hydrogen |
| 06/27/1996 | WO1996019409A1 Manufacture of carbonyl fluoride |
| 06/27/1996 | WO1996019290A1 Process for the preparation of supported catalyst for synthesis of methacrolein and methacrylic acid |
| 06/27/1996 | DE4446418A1 Acrolein and/or acrylic acid prepn. from propene |
| 06/27/1996 | DE4446387A1 Verfahren zur Herstellung fester, freifließender wasserlöslicher Salze von Aryloxi-C¶1¶-C¶4¶-alkancarbonsäuren Alkanoic acids aryloxy C¶1¶-C¶4¶ process for producing solid, free-flowing water-soluble salts of |
| 06/27/1996 | DE19504485A1 Controlling strongly exothermic catalysed reactions |
| 06/27/1996 | CA2208002A1 Carbonylation of olefins |
| 06/27/1996 | CA2166050A1 Method for producing aromatic carboxylic acids |
| 06/26/1996 | EP0718295A1 Lactones with antioxidising and hypolipidaemic activity useful in the therapy of the atherosclerosis |
| 06/26/1996 | EP0718279A1 Process for the preparation of o-substituted benzoylcyanides |
| 06/26/1996 | CN1032134C Process for preparing 2,2-dimethyl-5-(2,5-dimethyl phenoxy) pentanoic acid |