| Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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| 04/18/1990 | EP0363843A2 Process for the preparation of bis(aminopropoxy)alkanes |
| 04/18/1990 | EP0363760A1 Aromatic ethers |
| 04/18/1990 | EP0363458A1 2,3-difluorobenzenes. |
| 04/18/1990 | EP0363428A1 Conversion of pyrethroid isomers to more active species. |
| 04/17/1990 | US4918236 Herbicides |
| 04/17/1990 | US4918215 4-halogenostilbene derivatives and processes for their preparation |
| 04/17/1990 | US4918214 Propane or isobutane, ammonia, oxygen and complex metal oxide catalyst producing acrylonitrile or methacrylonitrile |
| 04/17/1990 | US4918176 Unsaturated cycloaliphatic derivatives |
| 04/17/1990 | US4917819 Good stability, low viscosity, large dielectric ansiotropy |
| 04/17/1990 | CA1267903C Trifluoromethanesulfonates and a process for their preparation |
| 04/11/1990 | EP0215010B1 Insecticidal composition comprising more than one active ingredients |
| 04/10/1990 | US4916230 Process for preparing novel N-(acyloxy-alkoxy)carbonyl derivatives useful as bioreversible prodrug moieties for primary and secondary amine functions in drugs |
| 04/04/1990 | EP0361784A2 Ammoxidation of paraffins and catalysts therefor |
| 04/04/1990 | EP0361695A2 Insecticidal compounds |
| 04/04/1990 | EP0361694A2 Insecticidal compounds |
| 04/04/1990 | EP0361532A2 Ethane derivatives |
| 04/04/1990 | EP0361067A1 Disubstituted naphthalines, preparation processes and their herbicidal use |
| 04/04/1990 | EP0259346B1 R-1-cyan-1-r2 -cis-4-r1 -cyclohexane compounds |
| 04/04/1990 | CN1040976A Process for preparing substituted beta-diketones |
| 04/03/1990 | US4914128 Controlling phytopathogens |
| 04/03/1990 | US4913838 Liquid crystal compound with a 4-(optically active alkyl)-3-cyanophenyl group |
| 04/03/1990 | US4913721 Plant growth regulators |
| 04/03/1990 | CA1267363A1 Cosmetics |
| 03/28/1990 | EP0360351A1 Process for the preparation of cyclopentene, cyclopentane and cyclohexane derivatives |
| 03/28/1990 | EP0225378B1 Herbicidal 2-(substituted-phenyl)-3-amino-2-cyclopentenone derivatives |
| 03/28/1990 | CN1040787A Method for ammoxidation of paraffins and catalyst system therefor |
| 03/27/1990 | US4912262 Reacting a cyclohexane-1,3,5-trione compound with a acylnitrile in presence of a base and Lewis acid |
| 03/27/1990 | US4912247 Enhancement of aromatic amine inhibition of acrylate monomer polymerization by addition of mannich products |
| 03/27/1990 | US4912088 Use of campholenenitriles as fragrance |
| 03/27/1990 | US4911732 Light fastness of polyester dyeings using benzophenone ether esters, and novel benzophenone ether esters |
| 03/22/1990 | WO1990002724A1 SUBSTITUTED β-DIKETONES |
| 03/20/1990 | US4910309 Enrichment of optical of 2-(4-aryloxyphenoxy)-propionic acids by crystallization as hydrates |
| 03/14/1990 | EP0358411A1 Ammoxidation of paraffins and catalyst therefor |
| 03/14/1990 | EP0357742A1 New pyrethrinoid esters carrying an indanyl ring, preparation method and application as pesticides. |
| 03/13/1990 | US4908452 Process for preparing nitriles |
| 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 | CA1266677A1 Liquid crystalline materials and optical displays utilizing same |
| 03/07/1990 | EP0357403A2 Substituted beta-diketones |
| 03/07/1990 | EP0357244A2 Method for converting nitriles to amides and amides to nitriles |
| 03/07/1990 | EP0357167A2 Substituted trifluorethhyl esters of phenylacetic acid, processes for their preparation and their use as pesticides |
| 03/06/1990 | US4907278 Integrated processing unit, particularly for connected speech recognition systems |
| 03/06/1990 | US4906402 Liquid crystal material |
| 03/06/1990 | CA1266487A1 Chiral cyanohydrination process |
| 02/28/1990 | EP0355664A1 Catalyst for the oxidation and ammoxidation of unsaturated alpha-, beta-hydrocarbons |
| 02/28/1990 | EP0355598A2 Beta-phenoxyethyl amines and their use in the preparation of dyes |
| 02/28/1990 | EP0355552A2 Alkoxymethyl- and alkenyloxymethyl-cyclohexanes |
| 02/27/1990 | US4904812 Preparation of unsaturated nitriles |
| 02/27/1990 | US4904811 (Z)-2-cyano-2-oximino-acetyl chlorides |
| 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 |
| 02/14/1990 | EP0354444A2 Process for the introduction of fluorine on aromatic nucleus by nucleophilic exchange |
| 02/14/1990 | EP0354434A2 Process for the preparation of rod-like compounds |
| 02/13/1990 | US4900859 Process for 4-dimethylamino-3,5-dimethoxybenzaldehyde |
| 02/13/1990 | US4900349 Amide derivatives and their use as fungicides and plant growth regulators |
| 02/13/1990 | CA1265793A1 Cycloaliphatic unsaturated derivatives, process for their preparation and use as therapeutic agents |
| 02/07/1990 | EP0353599A2 Process for the preparation of bis(aminopropyl)aliphatic glycols |
| 02/06/1990 | US4898883 1-Substituted derivatives of 4-methoxy-2,3,6-trimethylbenzene, process for their preparation and medicinal and cosmetic compositions containing them |
| 02/06/1990 | US4898877 Circulation-active cyclohexenecarboxylates |
| 02/06/1990 | CA1265529A1 Substituted naphthoic acid process |
| 01/31/1990 | EP0352812A1 Antiarthritic alpha-arylcarbamoyl cyanoacetic acid derivatives |
| 01/31/1990 | EP0352504A1 Process for the simultaneous preparation of 3-dialkylaminopropionitriles, bis-(2-cyanoethyl)-ether and if required ethylene cyanohydrine |
| 01/30/1990 | US4897504 Bismuth oxide containing catalyst mixture; conversion to a,b-unsaturated nitriles |
| 01/30/1990 | US4897481 Process for the minimization of racemization in the preparation of optically active ((aryloxy)phenoxy)propionate herbicides |
| 01/30/1990 | US4897419 Pest-combating agents based on derivatives of 2,3-diaminomaleonitrile |
| 01/30/1990 | US4897109 Compositions for protecting culture plants from the phytotoxic action of herbicidally active chloracetanilides |
| 01/25/1990 | WO1990000535A1 Terminal chlorination of normal alkane hydrocarbons |
| 01/24/1990 | EP0352023A1 Method for ammoxidation of paraffins and catalyst system therefor |
| 01/24/1990 | EP0352007A2 Dimerisation process |
| 01/24/1990 | EP0351887A1 Tricyclic aromatic compounds |
| 01/23/1990 | CA1264763A1 Process for the preparation of diphenyl ethers |
| 01/16/1990 | US4894479 Herbicidal diphenyl ethers |
| 01/16/1990 | US4894471 Alumina catalysts |
| 01/16/1990 | US4894181 Carbocyclic compounds |
| 01/10/1990 | EP0350320A2 Production of unsaturated compounds |
| 01/10/1990 | EP0350038A2 Enrichment of optical purity of 2-(4-aryloxyphenoxy) propionic acids by crystallization as hydrates |
| 01/09/1990 | US4892963 N-phenyl amide compounds |
| 01/09/1990 | US4892962 Process for the preparation of 2,2-difluoropent-4-enoic acids and acid derivatives |
| 01/09/1990 | CA1264328A1 Antiallergic agents |
| 01/03/1990 | CN1038448A Method for ammoxidation of paraffins and catalyst system therefor |
| 01/02/1990 | US4891432 Phenoxy imidazole compound |
| 12/28/1989 | WO1989012621A1 Fluorinated 4''-cyano substituted terphenyls |
| 12/26/1989 | US4889870 2-(2,2-Difluorocyclopropyl)alkyl esters, processes for their preparation and their use as insecticides and acaricides |
| 12/26/1989 | US4889656 Surfactants |
| 12/20/1989 | EP0346841A2 1-Aryl-naphthoic acid amide and microbicides containing these |
| 12/20/1989 | EP0150192B1 Bicyclic benzenoid aminoalkylene ethers and thioethers |
| 12/14/1989 | WO1989012043A1 An improved process for the minimization of racemization in the preparation of optically active [(aryloxy)phenoxy]propionate herbicides |
| 12/13/1989 | EP0345464A2 Process for the preparation of substituted 3-amino-2-(benzoyl)acrylic acid esters as well as a process for the preparation of intermediates for antibacterial active agents from these compounds |
| 12/13/1989 | EP0345393A1 Ceramic membrane and use thereof for hydrocarbon conversion |
| 12/12/1989 | US4886936 Process for the production of ortho-nitrobenzonitriles |
| 12/12/1989 | US4886907 Polysubstituted derivatives of naphthalene, their process of preparation and their application in the cosmetic and pharmaceutical fields |
| 12/12/1989 | US4886898 Intermediates for circulation-active substituted aminomethyl-5,6,7,8-tetrahydronaphthyloxy-acetic acids |
| 12/12/1989 | US4886891 Process for preparing 1,1-disubstituted ethylene derivative by reaction of lead with a carbinol derivative |
| 12/12/1989 | US4886835 Alkadiene derivatives, their preparation, and pharmaceutical compositions containing them |
| 12/12/1989 | US4886622 Optically active liquid crystal compound having cyano group |
| 12/12/1989 | CA1263862A1 Derivatives of amino-5 pentanenitril and the process for their preparation |
| 12/06/1989 | EP0344884A2 Method for ammoxidation of paraffins and catalyst system therefor |
| 12/06/1989 | EP0344816A1 Iodine-labelled pyrethrinoids, process and intermediates for their preparation and their use in radioimmuno assays |
| 12/06/1989 | EP0344746A2 An improved process for the minimization of racemization in the preparation of optically active ((aryloxy) phenoxy) propionate herbicides |
| 12/06/1989 | EP0217240B1 Chiral esters of mesogenic-carboxylic acids, process for their preparation and their use as doping agents in liquid crystal phases |