| Patents for C07C 67 - Preparation of carboxylic acid esters (66,429) |
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| 03/27/1990 | US4912251 Reacting 2-cyclopentenone derivative with an acetone dicarboxylic acid diester in presence of a base |
| 03/27/1990 | US4912249 Esters of 3-tert-butyl or 3-tert-butyl-5-alkyl-4-hydroxylphenyl(alkane) carboxylic acids |
| 03/27/1990 | US4912247 Enhancement of aromatic amine inhibition of acrylate monomer polymerization by addition of mannich products |
| 03/27/1990 | US4912244 Vinylsulfonylalkylamino-alkylamines as intermediates for the preparation of fiber-reactive dyes |
| 03/27/1990 | US4912234 Forimg phthalic anhydride |
| 03/27/1990 | US4912217 Preparation of 3,3-diphenylacrylic acid amides |
| 03/27/1990 | US4912187 Solid ester products of sterically hindered polyhydroxymonocarboxylic acids |
| 03/27/1990 | US4912135 Benzene ring with amido substitutions in position 1 and 3 |
| 03/27/1990 | US4912088 Use of campholenenitriles as fragrance |
| 03/27/1990 | US4911888 Salt containing phenyl ring |
| 03/27/1990 | US4911745 Novel 2-(substituted imino)-1,3,4-dihydrothladiazoles |
| 03/27/1990 | US4911732 Light fastness of polyester dyeings using benzophenone ether esters, and novel benzophenone ether esters |
| 03/27/1990 | CA1267158A1 Production of dibromonitro compound |
| 03/27/1990 | CA1267155A1 Process for preparing 5-(2,5-dimethylphenoxy)-2,2- dimethylpentanoic acid |
| 03/27/1990 | CA1267154A1 4,4-(bis(4-hydroxyphenyl)cyclohexanecarboxylic acid derivatives and process for preparing same |
| 03/27/1990 | CA1267153A1 Benzonorbornene derivatives; process for preparing the same and cosmetic compositions containing these derivatives |
| 03/27/1990 | CA1267141A1 Eicosatrynoic acid esters and amides and their use in pharmaceutics and cosmetics |
| 03/22/1990 | WO1989002887A3 High yield method for preparation of dialkyl esters of polyhaloaromatic acids |
| 03/21/1990 | EP0359442A2 Mono-iodopropargyl esters of dicarboxylic anhydrides and their use as antimicrobial agents |
| 03/21/1990 | EP0359305A1 Cyclopentane derivatives |
| 03/21/1990 | EP0359011A1 Process for removing halogenated hydrocarbons from concentrated hydrochloric acid |
| 03/21/1990 | EP0358741A1 Derivatives of 2,3-difluorobenzoic acid. |
| 03/21/1990 | EP0295269B1 Layered metal oxides containing interlayer oxides and their synthesis |
| 03/21/1990 | CN1040586A Leukotriene antagonists |
| 03/21/1990 | CN1040578A Enantio-selective process for preparing derivatives of hemicaronic aldehyde of trans or cis-structure & intermediates obtained |
| 03/21/1990 | CN1040517A Upgrading low molecular weight alkanes |
| 03/21/1990 | CN1007243B Method and apparatus for removing water from ethanol |
| 03/20/1990 | US4910354 Process for the oxychlorination of ethylene and catalyst compositions for the oxychlorination |
| 03/20/1990 | US4910352 Reduction of 1,1,1-trifluoro-2,2,2-trichloroethane in aqueous solution of sodium sulfide |
| 03/20/1990 | US4910348 Reacting a polyfluoroalcoholate with a strong base |
| 03/20/1990 | US4910347 Cycloaliphatic aldehydes and process for the preparation thereof |
| 03/20/1990 | US4910345 Process for the purification of nitrobenzaldenhyde |
| 03/20/1990 | US4910339 Mixture of blocked diisocyanate and a polyoxyethylene glycol |
| 03/20/1990 | US4910331 Decyclizing, sulfonating a dithiolane ring with a sulfone compound |
| 03/20/1990 | US4910329 Process for preparing hydroxyalkyl esters |
| 03/20/1990 | US4910328 Hydrofromylating an alkenoic ester with carbon monoxide and hydrogen |
| 03/20/1990 | US4910305 Containing a protected 4-hydroxyphenyl |
| 03/20/1990 | US4910224 Method of modifying the lipid structure and function of cell membranes and pharmaceutical compositions for use therein |
| 03/20/1990 | US4910221 Having a halogen group in position 4 of ring |
| 03/20/1990 | US4910208 Method of inhibiting leukotriene biosynthesis by oral administration of p-aminophenols or derivatives thereof |
| 03/20/1990 | US4910200 Acrylic acid morpholides, fungicidal compositions and use |
| 03/20/1990 | US4910008 Gas-gas phase contactor |
| 03/20/1990 | US4909835 Containing a sulfur substitution in position 5 |
| 03/20/1990 | US4909830 Herbicidal 3-aminopyrazolin-5-ones, compositions and use |
| 03/20/1990 | CA1266950A1 Method and apparatus for multipolymer synthesis systems |
| 03/20/1990 | CA1266866A1 P-formyl-n,n-dipolyoxyalkylenesubstitutedaniline |
| 03/20/1990 | CA1266860A1 Amphiphile lipidic compositions, process for their preparation and uses, particularly as cosmetics and in dermatology |
| 03/20/1990 | CA1266834A1 Process for separating isoprene |
| 03/14/1990 | EP0358574A1 Process for the preparation of adamantane-1 derivatives |
| 03/14/1990 | EP0358550A2 Process for the preparation of aliphatic alpha-, omega-diamines, new compounds and their use in hair dying |
| 03/14/1990 | EP0358539A1 Process for the preparation of trifluoroethanol by gas phase hydrolysis of chlorotrifluoroethane |
| 03/14/1990 | EP0358259A1 Fungicidal compositions |
| 03/14/1990 | EP0358240A2 Intermediates for the preparation of leukotriene antagonists |
| 03/14/1990 | EP0358157A1 Individual alpha-form particle crystals of tetrakis[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionyl-oxymethyl]methane and process for its production |
| 03/14/1990 | EP0358126A1 n-Octadecyl-3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate with a novel crystalline form |
| 03/14/1990 | EP0358091A2 Derivative of 2-cyclohexylpropanal and perfumery composition comprising the same |
| 03/14/1990 | EP0358074A2 Biesters of unsaturated carboxylic acids, their preparation and use in curable compositions |
| 03/14/1990 | EP0357956A2 Vasodilatory dihydrobenzocycloheptiliden-ethyl-piperazine derivatives and process for preparation thereof |
| 03/14/1990 | EP0274934B1 Process for the preparation of mercaptoalcohols |
| 03/14/1990 | EP0203957B1 5-(3,5-disubstituted phenylazo)-2-hydroxybenzene acetic acids and salts and lactones thereof, and pharmaceutical compositions of said acids, salts, and lactones |
| 03/14/1990 | EP0195013B1 Preparation and use of co-formed catalyst |
| 03/14/1990 | CN1040364A Process for preparing di ( alkylsulfomethyl ) phenole |
| 03/14/1990 | CN1040332A Fluorine-containing aromatic sulfonic acid catalyst, process for the prodn. and use thereof |
| 03/13/1990 | US4908481 Condensing acetone with 1-(4-tert-alkoxyphenyl)benzaldehyde, hydrogenating |
| 03/13/1990 | US4908478 Sulfonating 2-hydroxynaphthalene with sulfuric acid, removing impurities, treating the acid product with ammonia, N-acetylating |
| 03/13/1990 | US4908477 Passing nonaromatic hydrocarbon in countercurrent flow through carbonylation mixture to extract methyl iodide |
| 03/13/1990 | US4908476 Reacting hydroxyaromatic ketone with substituted acid to form 2-(acylphenoxy)alkanoic acid, oxidizing, hydrolyzing with alcohol |
| 03/13/1990 | US4908473 Process for selectively hydroesterifying diolefin |
| 03/13/1990 | US4908472 Preparation process of cinnamate ester |
| 03/13/1990 | US4908471 Catalytic oxidation of xylene or toluylic acid ester while withdrawing and recycling a portion of the reaction phase |
| 03/13/1990 | US4908467 Certain fluoroalkylphenylsulfonamides |
| 03/13/1990 | US4908466 Process and reaction vessel for production of alkyl nitrite |
| 03/13/1990 | US4908420 Method for preparing resin having light color |
| 03/13/1990 | US4908415 Method of converting fluorine-containing polymer into lower molecular weight polymer |
| 03/13/1990 | US4908390 Method of preparing methanol |
| 03/13/1990 | US4908388 Behavior modifying compounds |
| 03/13/1990 | US4908385 Pharmaceuticals |
| 03/13/1990 | US4908349 Tetrahydronaphthalene aldehyde compound |
| 03/13/1990 | US4908152 Cyclohexane derivative |
| 03/13/1990 | US4908040 Anionic cyclodiylide compounds, their preparation and use in washing agents as shading dyes |
| 03/13/1990 | CA1266683A1 Alkylation of aromatic amines in the presence of acidic, crystalline molecular sieves |
| 03/13/1990 | CA1266682A1 Preparation of methyl isopropyl ketone and isoprene |
| 03/13/1990 | CA1266680A1 Process for preparing aldehydes and ketones; products thus obtained |
| 03/13/1990 | CA1266677A1 Liquid crystalline materials and optical displays utilizing same |
| 03/13/1990 | CA1266672A1 Dyarylacetylenes, their preparation and their use |
| 03/13/1990 | CA1266646A1 Benzonaphtalenic derivatives, process for their preparation and uses as pharmaceutic and cosmetic agents |
| 03/12/1990 | EP0303617A4 Acid catalyzed process. |
| 03/07/1990 | EP0357435A2 Optically active aromatic compounds, preparation process therefor, liquid crystal materials and a light switching element |
| 03/07/1990 | EP0357348A2 Process for preparing p-bromophenoxyacetaldehyde dialkylacetal derivatives |
| 03/07/1990 | EP0357243A2 The production of formate salts of nitrogenous bases |
| 03/07/1990 | EP0357167A2 Substituted trifluorethhyl esters of phenylacetic acid, processes for their preparation and their use as pesticides |
| 03/07/1990 | EP0357092A1 Preparation of diacetoxybenzylidene diacetates |
| 03/07/1990 | EP0356949A2 Process for the separation of cyclohexanol from aqueous solutions containing it as well as aromatic sulfonic acids |
| 03/07/1990 | EP0356892A1 Process for the preparation of partially fluorinated ethanes |
| 03/07/1990 | EP0356858A2 Process for the separation of cyclohexanol |
| 03/07/1990 | EP0356532A1 Pentadiene compound and recording material using the compound |
| 03/07/1990 | EP0356475A1 Safety binding for skis. |
| 03/07/1990 | CN1040191A Insecticidal n'-substd.-n-alkyl-carbonyl-n'-acylhydrazines and n'-substd.-n-acyl-n'-alkylcarbonylhydrazines |
| 03/07/1990 | CN1007061B Process for producing n,n'''-(imino-bioctamethylene)-biguanide trialkylbenzensulfonates |
| 03/06/1990 | US4907278 Integrated processing unit, particularly for connected speech recognition systems |