| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 08/24/1993 | CA1321595C2 Intermediates for the production of podophyllotoxin and related compounds and processes for the preparation and use thereof |
| 08/19/1993 | WO1993016027A1 Method for improving the performance of vpo catalysts |
| 08/19/1993 | CA2108001A1 Method for improving the performance of vpo catalysts |
| 08/18/1993 | EP0556084A1 Method of preparation of orthohydroxy mandelic acid and its salts |
| 08/18/1993 | EP0555776A1 Process for separating and purifying fatty acids and alpha-hydroxy fatty acids |
| 08/18/1993 | EP0555484A1 Water-soluble pentacyclic triterpene composition and production thereof |
| 08/18/1993 | EP0555472A1 Process for ozonizing unsaturated fatty acid or lower alkyl ester thereof and oxidative decomposition of the resulting ozonide |
| 08/18/1993 | CN1075318A Benzopyran and related LTB4 antagonists |
| 08/18/1993 | CN1075313A Preparation of fluorinated functional compounds |
| 08/18/1993 | CN1021822C Prepn. for intermediates for the production of epipodophyllotoxin |
| 08/18/1993 | CN1021815C Process for prepn. of diester of adipic acid |
| 08/18/1993 | CN1021814C Method for reactivating group 8 noble metal catalyst for use in purification of crude terephthalic acid |
| 08/18/1993 | CN1021813C Preparation for rapidly solubilized calcium fumarate |
| 08/18/1993 | CN1021812C Technology for producing oxalic acid by oxidation of glycol |
| 08/17/1993 | US5237098 Solvent extraction, ion exchange resins |
| 08/17/1993 | US5237097 Catalytic carbonylation process |
| 08/17/1993 | US5237096 Racemization of (1S-trans)-3-methylenecyclopropane-1,2-dicarboxylic acid; salt formation, acidification, extraction |
| 08/17/1993 | US5237095 Process for the preparation of an antiviral agent |
| 08/17/1993 | US5237092 Process for concurrently producing aryl formate and aromatic carboxylic acid |
| 08/17/1993 | US5237074 Diels-alder reaction using maleic anhydride |
| 08/17/1993 | US5236723 Production of dietary fatty acid salt products |
| 08/17/1993 | US5236561 Process for the preparation of dicarboxylic acid |
| 08/14/1993 | WO1993016028A1 Assessment of autoignition conditions and suppression of autoignition |
| 08/14/1993 | CA2107999A1 Assessment of autoignition conditions and suppression of autoignition |
| 08/13/1993 | CA2087390A1 Preparation of fluorinated functional compounds |
| 08/11/1993 | EP0554679A1 Process for the preparation of alpha-Chloro 2,4,6-trimethylacetophenone |
| 08/11/1993 | EP0554660A2 Process for the purification of alpha-beta-monoethylenic crude acids and of insaturated carboxylic acids |
| 08/11/1993 | EP0554636A1 Process for the preparation of arylacetic acids and their alkali metal salts |
| 08/11/1993 | CN1021772C Preparation method of anti-form-cyclopentane-1,2-dicarboxylic acid |
| 08/10/1993 | US5235102 Catalytic distillation using rigid, cellular monoliths as catalyst-packing material |
| 08/10/1993 | US5235101 Preparation by flotation of optically active aliphatic carboxylic acids |
| 08/10/1993 | US5235100 Adding a base to a melt to form a salt; adding a chiral organic nitrogen base and separating the precipitate |
| 08/10/1993 | US5235097 Reacting halogen terminated diester with alkali salt of 2,5-dimethylphenol |
| 08/10/1993 | US5235095 Forming a salt, reacting with a chiral organic nitrogenous base to form a salt, precipitation |
| 08/10/1993 | US5235091 Process for preparing diphenylmethane compounds |
| 08/10/1993 | US5235071 Catalyst for producing phthalic anhydride and process by using the same |
| 08/10/1993 | US5235070 Suppression of dust from solid aromatic anhydrides |
| 08/10/1993 | US5235069 Tetrafluoro-2,5-dihydrothiophene-2-one |
| 08/10/1993 | US5234883 Impregnation of titanium oxide body with palladium salt; adjustment ph; vacuum drying |
| 08/10/1993 | US5234874 Attrition-resistant catalyst system and its application to the oxidative dehydrogenation of saturated carboxylic acids, especially in entrained-bed reactors |
| 08/10/1993 | US5234701 Reacting fatty acid with calcium oxide and an aqueous solution of sodium carbonate-bicarbonate |
| 08/10/1993 | CA1321208C Method for preparation of alkyl glycolates |
| 08/05/1993 | WO1993015067A1 Benzopyran and related ltb4 antagonists |
| 08/05/1993 | WO1993015040A1 Preparation of optically active aliphatic carboxylic acids |
| 08/05/1993 | WO1993015039A1 Preparation of optically active aliphatic carboxylic acids |
| 08/05/1993 | WO1993015038A1 Preparation of optically active aliphatic carboxylic acids |
| 08/05/1993 | WO1993015037A1 Preparation by flotation of optically active aliphatic carboxylic acids |
| 08/05/1993 | WO1993015036A1 Preparation of a fatty acid alkaline salt |
| 08/05/1993 | WO1993015034A1 Racemization process |
| 08/05/1993 | WO1993014991A1 Folding wrapper |
| 08/05/1993 | CA2128522A1 Racemization process |
| 08/05/1993 | CA2128521A1 Preparation of optically active aliphatic carboxylic acids |
| 08/05/1993 | CA2128520A1 Preparation of optically active aliphatic carboxylic acids |
| 08/05/1993 | CA2128519A1 Preparation of optically active aliphatic carboxylic acids |
| 08/05/1993 | CA2128518A1 Preparation of flotation of optically active aliphatic carboxylic acids |
| 08/05/1993 | CA2128025A1 Preparation of a fatty acid alkaline salt |
| 08/04/1993 | EP0554134A1 Process for preparing carboxylic acid halogenides and a reaction agent therefor |
| 08/04/1993 | EP0553879A2 Process for producing 4-bromomethylbiphenyl compounds |
| 08/04/1993 | EP0553668A2 Process for making arylacrylic acids and their esters |
| 08/04/1993 | EP0553251A1 Metal carboxylates. |
| 08/04/1993 | EP0553205A1 Carbonylation of allylic alcohols and synthesis of an ambergris fragrance compound. |
| 08/04/1993 | EP0504277B1 Oxidative secondary rhodium recovery process |
| 08/03/1993 | US5233105 Process for halogen-fluorine exchange in organic compounds and catalysts for this process |
| 08/03/1993 | US5233102 Olefin hydration |
| 08/03/1993 | US5233092 Diphosphonate compounds, their preparation and application |
| 08/03/1993 | US5233087 Reacting ethoxylated fatty alcohol, secondary or tertiary alcoholate and anhydrous chloroacetic acid or its salt |
| 08/03/1993 | US5233086 Intermediates for the preparation of an antiviral agent |
| 08/03/1993 | US5233085 Dissolving in dipolar aprotic solvent in absence of catalyst and heating |
| 08/03/1993 | US5233084 Electrochemical carboxylation; dehydration, catalytic asymetric hydrogenation |
| 08/03/1993 | US5233058 Partially fluorinated compounds and polymers |
| 08/03/1993 | US5233054 Process for the preparation of halophthalic anhydrides |
| 08/03/1993 | US5233018 Heat resistance and low optical transmission loss in the near-infrared region; integrated circuits |
| 08/03/1993 | US5232558 Using high boiling liquids as extractive agent |
| 08/03/1993 | CA1320965C Process for making substituted carboxylic acids and derivatives thereof |
| 07/28/1993 | EP0552912A2 Method for producing 2,6-dihydroxybenzoic acid |
| 07/28/1993 | EP0552287A1 Shaped oxidation catalyst structures for the production of maleic anhydride. |
| 07/28/1993 | EP0552255A1 Manufacture of high-purity hydroxyacetic acid. |
| 07/28/1993 | EP0552253A1 Acetone removal process. |
| 07/28/1993 | EP0458965A4 Process for the preparation of vinyl ethers |
| 07/28/1993 | EP0408644B1 Process for preparation of an oxyacetic acid/hydroxyethyl ether compound |
| 07/28/1993 | CN1074675A Preparing process for rich maleic acid rare-earth complex |
| 07/27/1993 | US5231226 Fixed bed oxidation with metal oxide catalysts with cooling |
| 07/27/1993 | US5231225 Crystallization, extraction |
| 07/27/1993 | US5231223 Reacting an aryldiazonium salt with olefin in presence of palladium catalyst |
| 07/27/1993 | US5230804 Process for separating catalysts from suspensions by filtration |
| 07/27/1993 | CA1320735C Process for the production of nitriles and anhydrides |
| 07/22/1993 | WO1993014107A1 Process for preparing 3-acylestratrienes and acylbenzenes |
| 07/22/1993 | WO1993014060A1 Process for producing oligomeric fatty acids |
| 07/22/1993 | WO1993014056A1 Profen resolution |
| 07/22/1993 | DE4201343A1 Verfahren zur herstellung oligomerer fettsaeuren Process for the preparation of oligomeric fatty acids |
| 07/22/1993 | CA2128525A1 Profen resolution |
| 07/22/1993 | CA2127274A1 Process for preparing 3-acylestratrienes and acylbenzenes |
| 07/21/1993 | EP0552019A2 Method of producing 1,4-dihydroxy-2-naphthoic acid |
| 07/21/1993 | EP0551596A2 Process for producing naphtalenedicarboxylic acid |
| 07/21/1993 | EP0551519A1 Molded or supported catalyst excellent in mechanical strengths for use in synthesizing methacrolein and methacrylic acid and production thereof |
| 07/21/1993 | EP0551448A1 General synthesis method by photochemical process of cyclopropanic components present in natural pyrethrines and in synthetic pyrethroids and their 1-aza-1,4,6 trianic precursors |
| 07/20/1993 | US5229528 Controlled heating of polylactones in water under pressure yields monomers and low molecular weight oligomers, for recycling of food containers |
| 07/20/1993 | US5229527 Catalysis with vanadium and titanium oxides |
| 07/20/1993 | US5228956 Distillation and rectification |
| 07/20/1993 | CA1320495C2 Optically active ketals, processes for their preparation and their use in the synthesis of alpha-arylakanoic acids |