| Patents for C07C 67 - Preparation of carboxylic acid esters (66,429) |
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| 03/06/1990 | US4906795 Process for the preparation of vitamin A |
| 03/06/1990 | US4906791 Process for preparing p-cumylphenol |
| 03/06/1990 | US4906787 Process for the production of ethers |
| 03/06/1990 | US4906782 Process for preparation of alkyleneamines |
| 03/06/1990 | US4906780 Process for the production of optically active beta-methylcholine |
| 03/06/1990 | US4906776 Catalysts and their use in the hydrolysis of nitriles |
| 03/06/1990 | US4906775 Esters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carboxylic acids with oxyethylates of polythiols |
| 03/06/1990 | US4906773 Process for preparing optically active threonine |
| 03/06/1990 | US4906770 Perfluoropolyethers having mono- and bis-hypofluorite end groups |
| 03/06/1990 | US4906769 Isomerization of 2-pentenoates to 3-pentenoates |
| 03/06/1990 | US4906765 Process for the production of 4-alkoxy-2(5H) thiophenones |
| 03/06/1990 | US4906759 Process for the production of 4-alkoxy-2(5H) thiophenones |
| 03/06/1990 | US4906669 Isoprenoid derivatives and anti-ulcer agents containing the same |
| 03/06/1990 | US4906666 Hydroxamic acids and pharmaceutical compositions containing them, and anti-allergic use thereof |
| 03/06/1990 | US4906663 6-fluoroprostaglandins |
| 03/06/1990 | US4906662 Phenol derivatives, their preparation and the use thereof |
| 03/06/1990 | US4906658 Fluoro-sulfones |
| 03/06/1990 | US4906416 Preparation of perfluoroalkanecarboxylic acids and novel perfluoroalkanedichloroethylenes obtained |
| 03/06/1990 | US4906414 Chlorinated β-ketoesters |
| 03/06/1990 | US4906411 Process for producing 2-methyl-1,4-naphthoquinone |
| 03/06/1990 | US4906402 Liquid crystal material |
| 03/06/1990 | CA1266491A1 Fischer-tropsch conversion of synthesis gas to hydrocarbons |
| 03/06/1990 | CA1266490A1 Removal of alkali metals from polyols |
| 03/06/1990 | CA1266489A1 Halogeno biphenyl tertiary alcohols useful for the treatment of atherosclerosis |
| 03/06/1990 | CA1266488A1 6-halogenated nitrated metaphenylenediamines and their use for dyeing keratinic materials |
| 03/06/1990 | CA1266487A1 Chiral cyanohydrination process |
| 03/06/1990 | CA1266486A1 Process for preparing 1-phenyl 1-diethylaminocarbonyl 2-aminomethyl cyclopropane (z) chlorhydrate |
| 03/06/1990 | CA1266485A1 Trisubstituted benzoic acid intermediates |
| 03/06/1990 | CA1266484A1 Tert-octylhydrazine, its salts and derivatives |
| 03/06/1990 | CA1266481A1 Bis-cyclohexane-1,3-dione derivatives |
| 03/06/1990 | CA1266480A1 Fungicides |
| 03/06/1990 | CA1266479A1 Herbicidal fused tricyclic 1,3-dione derivatives |
| 02/28/1990 | EP0356317A1 Process for the purification of an ester |
| 02/28/1990 | EP0356315A1 Process for preparing methyl methacrylate from isobutyric acid |
| 02/28/1990 | EP0356255A2 Preparation of food grade esterified propoxylated glycerin from free fatty acids |
| 02/28/1990 | EP0356236A2 Chloroethylation of aromatic hydrocarbons |
| 02/28/1990 | EP0355983A1 A process for the low residence time dehydration of p-acetoxyphenyl methylcarbinol |
| 02/28/1990 | EP0355978A2 Process for preparing CHF2OCHFCF3 and CHF2OCHCLCF3 and novel intermediate compounds employed thereby |
| 02/28/1990 | EP0355860A1 A bifunctional metal chelating agent and a precursor compound |
| 02/28/1990 | EP0355767A1 Purification of telomers prepared from chlorotrifluoroethylene and trichlorotrifluroroethane |
| 02/28/1990 | EP0355552A2 Alkoxymethyl- and alkenyloxymethyl-cyclohexanes |
| 02/28/1990 | EP0355443A2 Cyclic process for the preparation of (cyclo)aliphatic diisocyanates |
| 02/28/1990 | EP0355351A2 Process for the preparation of amines |
| 02/28/1990 | EP0355350A1 Process for the preparation of 4,4-dimethyl-1-(p-chlorophenyl)-pentan-3-one |
| 02/28/1990 | EP0253293B1 Guanidinium salts of aspartic acid |
| 02/28/1990 | EP0238925B1 Process for the preparation of n,n-disubstituted mono and oligourethanes |
| 02/28/1990 | EP0220641B1 Substituted p,p'-methylene-bis-anilines |
| 02/28/1990 | CN1040024A 2,3-difluorophenol derivatives |
| 02/28/1990 | CN1040022A Process for producing alcohols and aldehydes |
| 02/27/1990 | US4904821 Distillation, vapor absorbing by organic phosphate to remove water; nonexplosive |
| 02/27/1990 | US4904817 Carbonylation of corresponding iodides |
| 02/27/1990 | US4904814 Process for the preparation of tert-alkyl esters |
| 02/27/1990 | US4904812 Preparation of unsaturated nitriles |
| 02/27/1990 | US4904790 Optically active styrene compounds substituted by a pyridinyl group |
| 02/27/1990 | US4904780 Process for the monoacylation of water-soluble organic amino compounds |
| 02/27/1990 | US4904688 Psychological disorders |
| 02/27/1990 | US4904680 Immunology |
| 02/27/1990 | US4904664 Benzene compounds having two pyridazinone substituents |
| 02/27/1990 | US4904661 Phenol derivatives |
| 02/27/1990 | US4904640 2-alkylidene-3,3,5(3,5,5)-trimethyl cyclopentanones |
| 02/27/1990 | US4904389 Process for the separation of dicarboxylic acids |
| 02/27/1990 | CA1266278A1 Therapeutic compound |
| 02/27/1990 | CA1266277A1 Propionamidine derivatives and process for their preparation |
| 02/26/1990 | EP0248879A4 Synthesis of aryloxypropanolamines and arylethanolamines. |
| 02/22/1990 | WO1990001528A1 Process for treating by-product oil |
| 02/22/1990 | WO1990001490A1 4-substituted anthracyclinones and anthracycline glycosides and their preparation |
| 02/22/1990 | WO1990001474A1 Process for producing 1,1-dichloro-2,2,2-trifluoroethane |
| 02/22/1990 | EP0229757A4 A method of bonding two substrates using arylcyclobutene monomeric compositions. |
| 02/21/1990 | EP0354995A1 4-Substituted anthracyclinones and anthracycline glycosides and their preparation |
| 02/21/1990 | EP0354991A1 Process for the hydrogenation of alpha-, beta-unsaturated ketones |
| 02/21/1990 | EP0321474A4 Water soluble complex of a poly(vinylpyrrolidone) copolymer and d-threo-(1,1'-dihydroxy-1-p-nitrophenylisopropyl) dichloroacetamide. |
| 02/21/1990 | EP0249610A4 Synthesis of optically active aryloxypropanolamines and arylethanolamines. |
| 02/21/1990 | CN1039809A Process for preparing substituted aminomethytetralins and their heterocyclic analogues |
| 02/21/1990 | CN1039800A N-2, 3-butadienyl tri-and tetraaminoalkane derivatives |
| 02/21/1990 | CN1039799A Preparation and application for 2-(2'-nitrobenzoyl)-1, 3-cyclohe-xanediones |
| 02/20/1990 | US4902843 Process for producing M-xylene from O-xylene |
| 02/20/1990 | US4902840 Substituted tetrahydroindane derivatives and organoleptic uses of substituted tetrahydroindanes |
| 02/20/1990 | US4902839 Process for preparing fluorinated C4 to C6 hydrocarbons and novel cyclic fluorinated hydrocarbons and their use as propellant gas and working fluid for heat pump systems |
| 02/20/1990 | US4902837 Process for preparing Biphenols |
| 02/20/1990 | US4902835 Fluorinated butene derivatives and methods for their preparation |
| 02/20/1990 | US4902828 Recovery of aqueous glyoxylic acid solutions |
| 02/20/1990 | US4902826 Process for the preparation of 2-arylthiobenzoic acids |
| 02/20/1990 | US4902825 N,N'-bis(trans-4-isocyanatocyclohexyl)urea, a process for its preparation and its use |
| 02/20/1990 | US4902824 Dispersant for vinyl acetate unit fouling |
| 02/20/1990 | US4902823 Process for the preparation of vinyl acetate |
| 02/20/1990 | US4902822 Process for the preparation of carboxylic acids or esters thereof |
| 02/20/1990 | US4902819 Preparation of sodium diethyl oxalacetate |
| 02/20/1990 | US4902817 Process for the synthesis of alpha n alkylated amino acids and esters thereof, application to the synthesis of carboxyalkyl dipeptides |
| 02/20/1990 | US4902816 Polyols from phthalic compounds |
| 02/20/1990 | US4902814 Chemical intermediates for insecticides and acaricides |
| 02/20/1990 | US4902795 Intermediates for 1,8-bridged 4-quinolone-3-carboxylic acid antibacterials |
| 02/20/1990 | US4902717 Prostaglandins |
| 02/20/1990 | US4902716 Anti-viral chamigrene derivatives |
| 02/20/1990 | US4902714 Pharmaceutical compositions |
| 02/20/1990 | US4902661 Catalytic dehydrogenation of dicyclohexylamine |
| 02/20/1990 | US4902438 Lubricating oil compositions containing anti-wear/extreme pressure additives |
| 02/20/1990 | US4902436 Reacting mixture of phenol, dihydric alcohol and alkaline earth metal oxide (or hydroxide); distilling by-products; carboxylation;sulfurization |
| 02/20/1990 | US4902385 Process for the purifying distillation of crude sec-butyl alcohol |
| 02/20/1990 | US4902334 Regulation of plant metabolism by alpha, beta-or beta, gamma-unsaturated carboxylic acids or derivatives thereof |
| 02/20/1990 | US4902228 (Meth)-acrylic acid derivatives of triisocyanates in dentistry |