| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 05/27/1993 | DE4136009C1 Oxidn. stable iron (III) 2-ethyl:hexanoate combustion promoter, prodn. - by reacting iron (II) ethanolate and 2-ethyl:hexanoic acid in ethanol in two stages |
| 05/26/1993 | CN1020894C Purification of crude terephthalic acid |
| 05/26/1993 | CN1020893C Improved process for preparing vinyl ethers |
| 05/26/1993 | CN1020861C Catalyst for oxidation of acrolein and process for preparation thereof |
| 05/25/1993 | US5214205 Rhodium based catalyst, Iodine promoters |
| 05/25/1993 | US5214203 Accelerating the carbonylation of an alcohol or reactive derivatives, catalysts of rhodium compound and alkyl iodide or bromide with iodide salts |
| 05/25/1993 | US5214157 Process for the disposal of phthalic anhydride decomposer vapors |
| 05/25/1993 | CA1318327C2 2,2-difluoropropionic acid derivatives |
| 05/25/1993 | CA1318321C Intermediates for the production of podophyllotoxin and related compounds and processes for the preparation and use thereof |
| 05/19/1993 | CN1072178A Preparation process for lactone of ir, cis 2.2-dimethyl-3-formyl-cyclopropane-1-carboxylic acid and halogenated intermediates |
| 05/19/1993 | CN1072169A New technology for preparing sodium citrate |
| 05/19/1993 | CN1020721C Preparing oxalic acid with mother liquid of vitamin d |
| 05/18/1993 | US5212325 Fatty acid salt products |
| 05/18/1993 | US5211924 P-xylene to terephthalic acid |
| 05/18/1993 | CA1317977C Dipropargyloxybenzene compounds and their production |
| 05/18/1993 | CA1317966C Preparation of substituted benzotrichlorides |
| 05/13/1993 | WO1993009243A1 Hydrogenation of enzymatically-produced glyoxylic acid/aminomethyl-phosphonic acid mixtures |
| 05/13/1993 | WO1993009242A1 Enzymatic preparation of n-(phosphonomethyl)glycine |
| 05/13/1993 | WO1993009210A1 Process for producing high-purity eicosapentaenoic acid or ester thereof |
| 05/13/1993 | WO1993009077A2 Process for the preparation of fluorinated benzoic acids |
| 05/12/1993 | EP0541446A1 Procedure for preparing 1R, cis 2,2-dimethyl-3-formyl cyclopropane-1-carboxylic acid lactone, and halogenated intermediates |
| 05/12/1993 | EP0541445A1 Procedure for preparing 1R, cis-2,2-dimethyl-3-formyl cyclopropane-1-carboxylic acid lactone and intermediates |
| 05/12/1993 | EP0541333A1 Hydrogenation of enzymatically-produced glyoxylic acid/aminomethylphosphonic acid mixtures |
| 05/12/1993 | EP0541330A2 Production of hydroxy carboxylic compounds |
| 05/12/1993 | EP0540653A1 Process for preparing diketones and keto-acids |
| 05/12/1993 | EP0540604A1 Substituted bicyclic bis-aryl compounds exhibiting selective leukotriene b 4? antagonist activity, their preparation and use in pharmaceutical compositions |
| 05/12/1993 | EP0540567A1 Aluminium oxide fibres and process for producing them |
| 05/12/1993 | CN1071911A Process for preparing stearate |
| 05/12/1993 | CN1020593C Process for production of acrylic acid |
| 05/11/1993 | US5210352 From fluoranthene |
| 05/11/1993 | US5210319 One step carboxylic acid production process |
| 05/11/1993 | US5210298 Method for production of acrylate and acrylate-containing polymer |
| 05/11/1993 | US5210297 Workup of mother liquors resulting from the preparation of adipic acid |
| 05/11/1993 | US5210295 Preparation of malic acid |
| 05/11/1993 | US5210293 Process and catalyst for the production of ethylene and acetic acid |
| 05/11/1993 | US5210292 Purification of waste from fabric treatment process |
| 05/11/1993 | US5210280 Reaction of unsaturated acid derivative with carbon monoxide and nucleopile |
| 05/11/1993 | US5210258 Intermediates to antiinflammatory, analgesic or antipyretic alpha-naphthylalkanoic acids |
| 05/11/1993 | US5210245 Gold carboxylates and process for preparing the same |
| 05/11/1993 | US5210243 Hydrogenation of aromatic-substituted olefins using organometallic catalyst |
| 05/11/1993 | US5210239 Treatment of Hepatic Diseases |
| 05/11/1993 | US5210223 Recovering, oxidation of o-xylene or naphthalene |
| 05/11/1993 | US5210222 Process for the production of malonic acid anhydride |
| 05/05/1993 | EP0539878A2 Method for production of phthalic anhydride by vapor-phase oxidation of mixture of ortho-xylene with naphthalene |
| 05/05/1993 | EP0539462A1 A method for preparing 4-chloro-2-methylphenoxyalkanoic acids |
| 05/05/1993 | EP0515589A4 Manufacture of 2,6-hydroxynaphthoic acid |
| 05/05/1993 | CN1071662A Process for removing iodide compounds from carboxylic acids and carboxylic acid anhydrides |
| 05/05/1993 | CN1071603A Catalyst for dehalogenating a-halogeno-acid |
| 05/05/1993 | CN1020453C Process for producing maleic anhydride |
| 05/05/1993 | CN1020451C Enantio-selective process for preparing derivatives of hemicaronic aldehyde of trns or cis-structure & intermediates obtained |
| 05/04/1993 | US5208373 Process for the preparation of perfluoropolyetheracyl fluorides |
| 05/04/1993 | US5208371 Oxidation of isobutylene or tert-butanol using molybdenum, tungsten, bismuth, iron, antimony, chromium, and silicon oxide containing catalyst |
| 05/04/1993 | US5208370 Method of reducing impurities in aqueous acrylic monomer solutions |
| 04/30/1993 | WO1992008710A1 Process for the preparation of difluoromaleic anhydride and intermediate compounds produced thereby |
| 04/29/1993 | WO1993008246A1 Improved overbased carboxylates |
| 04/29/1993 | WO1993008151A1 Process for preparing 2,6-naphthalenedicarboxylic acid__________ |
| 04/29/1993 | WO1993008150A1 Hydrolyzing esters using 4-aminopyridyl siloxane catalysts |
| 04/29/1993 | WO1993008149A1 Process for the production of basic magnesium aluminium carboxylates |
| 04/29/1993 | DE4135117A1 Verfahren zur herstellung basischer magnesium-aluminium-carboxylate Method for preparing basic magnesium-aluminum-carboxylate |
| 04/29/1993 | CA2121263A1 Improved overbased carboxylates |
| 04/28/1993 | EP0539243A2 Process for introducing a carboxyl group to an aromatic carboxylic acid or a derivative thereof |
| 04/28/1993 | EP0538547A2 Process for the preparation of oxydiphthalic acid and purified oxydiphthalic anhydride from crude oxydiphthalic anhydride |
| 04/28/1993 | CN1071423A Bicyclic carboxylic acid derivatives |
| 04/28/1993 | CN1071412A Process for removing acetone from carbonylation processes |
| 04/28/1993 | CN1071411A Process for purification of carboxylic acids and/or their anhydrides |
| 04/27/1993 | US5206433 Preparation of formic acid |
| 04/27/1993 | US5206431 Process for producing methacrylic acid |
| 04/27/1993 | US5206430 Hydrolyzing crude ester in alkali, treating salt formed with active carbon, adding mineral acid to precipitate product |
| 04/27/1993 | US5206422 Process for preparation of fluorinated carbonyl compounds |
| 04/27/1993 | US5206392 Facile synthesis of arylmaleic acids and anhydrides |
| 04/27/1993 | US5206391 Reacting BR2 with halohydrophthalic anhydride, reacting HBR with CL2 to regenerate bromine |
| 04/27/1993 | US5206265 Iron citrate complex, process for its production, and its pharmaceutical |
| 04/27/1993 | CA1316939C Process for exchanging dispersing medium of terephthalic acid slurry |
| 04/27/1993 | CA1316938C Process for the optical resolution of 2-(6-methoxy-2- naphthyl) propionic acid |
| 04/27/1993 | CA1316936C Method for preparing methacrylic acid and methacrolein |
| 04/27/1993 | CA1316933C Carboxylic acid derivatives, processes for the preparation thereof and pharmaceutical compositions containing them |
| 04/27/1993 | CA1316922C Carboxylic acid derivatives, processes for the preparation thereof, the use thereof and pharmaceutical compositions containing them |
| 04/21/1993 | EP0538193A2 Condensed cycloaliphatir-amidino-hydrazon salts as S-adenosylmethionin decarboxylase inhibitors |
| 04/21/1993 | EP0538040A2 Process for removing iodide compounds from carboxylic acids and carboxylic acid anhydrides |
| 04/21/1993 | EP0537954A1 Process of preparing diphenylmethane derivatives |
| 04/21/1993 | EP0537838A1 Catalysts for the dehalogenation of alpha-halogenated carboxylic acids |
| 04/21/1993 | EP0537540A1 Process for the radical chlorination or bromination of methyl substituted aromatics |
| 04/21/1993 | EP0537138A1 Process for manufacturing crystalline calcium magnesium acetate |
| 04/21/1993 | CN1071159A Process for preparing adipic acid by hydrocarboxylation of pentenic acids |
| 04/20/1993 | US5204363 Heterocyclic compounds |
| 04/20/1993 | CA1316545C Quenching process of reaction product gas containing methacrylic acid and treatment method of quenched liquid |
| 04/20/1993 | CA1316544C Production of carboxylic acids and esters thereof |
| 04/19/1993 | CA2080744A1 Process for removing iodide compounds from carboxylic acids and carboxylic acid anhydrides |
| 04/16/1993 | CA2080426A1 Process of preparing diphenylmethane derivatives |
| 04/15/1993 | WO1993007284A1 Process for the manufacture of alkaline earth acetates |
| 04/14/1993 | EP0536960A2 Preparation of 2-hydroxymandelic acids and 2-hydroxybenzaldehydes |
| 04/14/1993 | EP0164402B1 Recovery of organic acids, catalysts and water from terephthalic acid manufacture |
| 04/13/1993 | US5202510 Activation of noble metal catalysts for use in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen |
| 04/13/1993 | US5202493 For complexing with transition metals to form catalysts for enantioselective reactions |
| 04/13/1993 | US5202481 Purification of acetic acid produced by the low water carbonylation of methanol by treatment with ozone |
| 04/13/1993 | US5202478 Ozonization of cycloalkene; catalytic hydrogenation; oxidation |
| 04/13/1993 | US5202476 Purification of 2-keto-L-gulonic acid |
| 04/13/1993 | US5202475 Continuous hydrogenation of disodium terephthalate or isophthalate with ruthenium on carbon catalyst in packed column, acidification, crystallization |
| 04/13/1993 | US5202474 Forming alpha-arylpropionic acid by using a coordination catalysts |
| 04/13/1993 | US5202473 Ruthenium-binap asymmetric hydrogenation catalyst |