| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 01/11/1989 | EP0298890A2 New 2-(P-isobutylphenyl)-propionic acid ester and process for the preparation thereof |
| 01/11/1989 | EP0298830A1 Process for perfluoroalkylation of acids anhydrides |
| 01/11/1989 | EP0298803A1 Process for the perhaloalkylation of aromatic derivatives |
| 01/11/1989 | EP0298572A1 Process for the preparation of a basic salt, salt thus prepared and oil compositions containing such a salt |
| 01/11/1989 | EP0298480A1 Process for the optical resolution of (+)-cis or (+)-trans-permethric acid |
| 01/11/1989 | EP0298431A1 Process for producing carboxylic acid |
| 01/11/1989 | EP0298404A2 Sulfon polyenes |
| 01/11/1989 | EP0298395A1 A process for the optical resolution of 2-(6-methoxy-2-naphthyl) propionic acid |
| 01/11/1989 | EP0298289A2 A process for the preparation of hydroxybenzoic acid |
| 01/11/1989 | CN1030228A Process for producing acrylic acid |
| 01/10/1989 | US4797497 Crystallization from pseudocumene mother liquors |
| 01/10/1989 | CA1248550A1 Production of carboxylic anhydrides from methyl carboxylates using rhodium complex catalysts |
| 01/10/1989 | CA1248549A1 Production of anhydrous carboxylic acids from alcohols using rhodium complex catalysts and organic ester source |
| 01/10/1989 | CA1248525A1 Carbacyclins, process for their manufacture and their use as medicaments |
| 01/04/1989 | EP0298031A1 Substituted anthraquinones and curable compositions |
| 01/04/1989 | EP0297788A2 Process of quenching reaction product gas containing methacrylic acid and method of treating quenched liquid |
| 01/04/1989 | EP0297445A2 Method for the production of methacrylic acid |
| 01/04/1989 | EP0297137A1 Deicing compositions comprising alkaline earth or alkali metal carboxylates and processes for their production. |
| 01/04/1989 | EP0297135A1 Deicing compositions comprising calcium magnesium acetate double salt and processes for their production |
| 01/04/1989 | EP0297126A1 Phase transfer catalysis |
| 01/03/1989 | US4795835 Melting, agitation with a hydrogen halide |
| 01/03/1989 | US4795831 Chemical intermediate for n-aspstyyl-n*-(2,2,5,5-tetramethylcyclopentanecarbonyl)-1,1-diaminoethane |
| 01/03/1989 | US4795819 Intermediates for the production of epipodophyllotoxin and related compounds and processes for the preparation and use thereof |
| 01/03/1989 | US4795818 Compensating for catalyst aging by controlled addition of phosphorus compound in the oxidation of butane to maleic anhydride with a vanadium-phosphorus catalyst |
| 01/03/1989 | US4795753 Certain pyridyl or imidazol-1-yl-alkyleneoxy-(or amino)phenoxy-alkanoates having lipid lowering activity |
| 01/03/1989 | US4795596 Chemical intermediate for 6-hydroxy-naphthalene carboxylic acid/1- |
| 01/03/1989 | CA1248137A1 Hydrocarboxylation of unsaturated carboxylic acids to linear dicarboxylic acids |
| 01/03/1989 | CA1248136A1 Hydrocarboxylation of butadiene to 3-pentenoic acid |
| 01/03/1989 | CA1248129A1 Polyene compounds |
| 01/03/1989 | CA1248123A1 Method for converting vegetable material into chemicals |
| 01/03/1989 | CA1248122A1 Carboxylate salt compound and method for flavoring foodstuffs and tobacco |
| 12/29/1988 | DE3812423A1 Process for the preparation of naphthalic anhydride |
| 12/28/1988 | EP0296712A2 Hydrocarbon oxidations catalyzed by iron coordination complexes containing a halogenated ligand |
| 12/28/1988 | EP0296636A2 High purity crystals of biphenyltetracarboxylic dianhydride and process for their preparation |
| 12/28/1988 | EP0296584A2 Removal of halides from carboxylic acids |
| 12/28/1988 | EP0296404A2 Method for the production of carboxylic acid halides with more than 7 carbon atoms |
| 12/28/1988 | EP0296275A1 Carboxylic acid mixture and process for producing the same |
| 12/28/1988 | CA1247640A Alkoxycarbonylation or carbonylation with co and organic hydroxyl compound |
| 12/28/1988 | CA1247548A Process for the production of l-malic acid |
| 12/28/1988 | CA1247451A Phenethanolamines |
| 12/27/1988 | US4794195 Process for producing 2,6-naphthalenedicarboxylic acid by oxidizing 2,6-diisopropylnaphthalene |
| 12/27/1988 | US4794191 Fluorescent labels |
| 12/27/1988 | US4794178 Carrier-free |
| 12/27/1988 | US4794113 Imidazolyl phenoxy compounds and method of use |
| 12/21/1988 | EP0295890A2 Process of preparing optically active alcohol |
| 12/21/1988 | EP0295591A2 Process for separating dicarboxylic acids |
| 12/21/1988 | EP0295551A2 Method for the production of adipic acid |
| 12/21/1988 | EP0295278A1 A process for overbasing via metal borate formation. |
| 12/20/1988 | US4792621 Method for continuous production of aromatic carboxylic acid |
| 12/20/1988 | US4792620 Carbonylation catalysts |
| 12/20/1988 | US4792618 Chemical intermediate for polymers and pesticides |
| 12/20/1988 | US4792598 Poly-dicaboxylic acid anhydrides and polymeric anhydrides therefrom |
| 12/20/1988 | US4792550 Thromboxane antagonist-hypotensive agent; cardiovascular, nervous system disorders; antiallergens |
| 12/20/1988 | US4792420 Purification of carboxylic acid anhydrides |
| 12/20/1988 | CA1247132A1 2,6-disubstituted naphthalene derivatives and process for preparing the same |
| 12/20/1988 | CA1247131A1 Process for preparing compounds containing a difluoromethylene or a trifluoromethyl group |
| 12/20/1988 | CA1247129A1 PROCESS FOR THE PRODUCTION OF .alpha.,.beta.- ETHYLENICALLY UNSATURATED ESTERS |
| 12/20/1988 | CA1247123A1 Polysubstituted derivatives of naphtalene, and their preparation |
| 12/20/1988 | CA1247122A1 Unsaturated camphor derivatives, and their preparation |
| 12/14/1988 | EP0295050A1 Process for preparing a 4,4-diphenylbutanoic acid derivative |
| 12/14/1988 | EP0294846A2 Preparation of organic acids from alkanols |
| 12/14/1988 | EP0294845A1 Acetic acid from ethane, ethylene and oxygen |
| 12/14/1988 | EP0294560A2 Process for preparing phtalic anhydride by a vapour-phase oxidation of an ortho-xylene-naphthalene mixture |
| 12/14/1988 | EP0238569B1 Process for the manufacture of cycloalkane carboxylic acids |
| 12/14/1988 | CN88101939A Improvement in or relating to leukotriene antagonists |
| 12/13/1988 | US4791228 Process for preparing α,ω-dicarboxylic acids |
| 12/13/1988 | US4791227 Method for handling reaction mixtures containing hydrogen fluoride |
| 12/13/1988 | US4791226 Catalyst and process for purification of crude terephthalic acid |
| 12/13/1988 | US4791225 Halogenobenzoic acid derivatives and their preparation |
| 12/13/1988 | US4791224 Oxidation of aryloxyethanol with palladium, carbon, bismuth catalyst in presence of phenol |
| 12/13/1988 | US4791092 Sequential deposition and calcining of a tantalum compound and a vanadium compound on titanium dioxide |
| 12/13/1988 | US4791080 Oxidative catalyst regeneration |
| 12/13/1988 | CA1246606A1 Process for the preparation of formic acid |
| 12/13/1988 | CA1246595A1 Process for epoxidizing an olefin |
| 12/07/1988 | EP0293859A1 Catalyst for oxidation of acrolein and process for production thereof |
| 12/07/1988 | EP0293753A2 Process for preparing E-2-propyl-2-pentenoic acid and its physiologically compatible salts |
| 12/07/1988 | EP0293752A2 Process for preparing E-2-propyl-2-pentenoic acid and its physiologically compatible salts |
| 12/07/1988 | EP0293747A2 Process for the preparation of fluoride-substituted carboxylic-acid chlorides |
| 12/07/1988 | EP0293633A2 1,2-Di(4-isobutylphenyl)ethylene and its preparation and use as intermediate |
| 12/07/1988 | EP0293432A1 Organic acid anhydride and pharmaceutical composition on a prodrug base |
| 12/07/1988 | CN88102641A Stearates of rareearth elements and the process of their prodn. |
| 12/06/1988 | US4789744 Reaction with optically active terpene alcohol; separation of esters |
| 12/06/1988 | US4789502 Alcohol, metal catalysts and promoter; vapor phase |
| 12/06/1988 | CA1246094A1 Halogenated esters |
| 12/06/1988 | CA1246077A1 Vinyl carboxylic acid derivatives, their production and use |
| 11/30/1988 | EP0293224A1 Process for production of acrylic acid |
| 11/30/1988 | EP0293221A2 Regioselective Synthesis of 1,5-Disubstituted Pyrazoles |
| 11/30/1988 | EP0293220A2 Pharmacologically active 2-and 3-substituted (1', 5'-diaryl-3-pyrazolyl)-N-Hydroxypropanamides and method for synthesizing |
| 11/30/1988 | EP0293127A1 Process for preparing glyoxylic acid |
| 11/30/1988 | EP0293053A2 Process for the preparation of cyclic carboxylic anhydrides |
| 11/30/1988 | EP0292977A1 Alkoxy-substituted dihydrobenzopyran-2-carboxylate derivatives |
| 11/29/1988 | US4788341 Process for preparing 2-acetonaphthones |
| 11/29/1988 | US4788334 Acid accelerated hydrocarboxylation |
| 11/29/1988 | US4788333 Hydrocarboxylation of unsaturated carboxylic acids to linear dicarboxylic acids |
| 11/29/1988 | US4788330 Polyprenyl compounds |
| 11/29/1988 | US4788323 Method for racemization of optically active chrysanthemic acid or its ester |
| 11/29/1988 | US4788315 2,5-substituted-cyclohexane-1,4-diones and a process for production thereof |
| 11/29/1988 | US4788308 For hydroformylation, isomerization, oxidation |
| 11/29/1988 | US4788299 Chemical intermediates for prostaglandin derivatives |
| 11/29/1988 | US4788296 Catalytic air oxidation of pseudocumene |