| Patents for C07C 241 - Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes (2,288) |
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| 07/27/1988 | EP0275263A1 Process for preparing methyl isocyanate |
| 07/26/1988 | US4760179 Substituted aminoxy-propionamides |
| 07/26/1988 | US4760174 Tetralin derivatives, their preparation and their use |
| 07/26/1988 | US4760148 5-aralkyl substituted 2H-benzotriazoles and stabilized compositions |
| 07/26/1988 | CA1239608A1 Process for preparing optically-active-4-amino-3- hydroxybutyric acid |
| 07/19/1988 | US4758373 Carbocyclic compounds |
| 07/19/1988 | CA1239416A1 Diisocyanates and their use for the preparation of polyurethanes |
| 07/19/1988 | CA1239414A1 Process for the production of polyisocyanates |
| 07/13/1988 | EP0274402A2 Polyfunctional carbodiimides having particular structures |
| 07/06/1988 | EP0273528A1 Benzophenones and their preparation |
| 06/29/1988 | EP0272279A1 Process for producing diaminoalkane derivatives |
| 06/28/1988 | CA1238645A1 Indoanilines or indophenols; process for preparing the same; dyeing compositions containing these compounds and hair-dyeing process using them |
| 06/22/1988 | EP0271679A2 Isocyanates derived from dienes and process and their preparation |
| 06/15/1988 | EP0270906A1 Diisocyanates and diisocyanate mixtures, process for their preparation and their use in the preparation of polyurethane plastics |
| 06/14/1988 | US4751326 Process for producing benzophenone-azine |
| 06/07/1988 | US4749648 Agent for the determination of esterolytic and/or proteolytic enzymes |
| 05/17/1988 | US4745216 Process for the production of polyisocyanates |
| 05/17/1988 | US4745212 Process for the production of isocyanates |
| 05/17/1988 | US4744918 Esters,optical apparatus |
| 05/11/1988 | EP0266661A2 Preparation of cyclohexyl mono- and diurethanes and isocyanates derived therefrom by addition of methylcarbamates to limonene, process and compositions |
| 05/11/1988 | CN87102926A Colourless ketimines, their preparation and their use as cross-linking agent |
| 05/04/1988 | EP0265668A1 Process for the preparation of a Diisocyanate |
| 04/20/1988 | EP0263956A2 Cis-Platinum complexes, method for their preparation and pharmaceuticals containing them |
| 04/20/1988 | EP0263951A2 Disazo compounds and compositions containing them |
| 04/20/1988 | EP0263946A1 Method for scavenging acidic impurities from polymeric isocyanates |
| 04/19/1988 | US4739103 Perfluorocycloalkane carbonyl fluorides and their derivatives |
| 04/13/1988 | EP0263481A2 Process for the preparation of isocyanates |
| 04/12/1988 | CA1235138A1 Process for the production of modified polyisocyanates, the compounds obtainable by this process and their use in polyurethane lacquers |
| 04/06/1988 | EP0262919A2 Preparation of aryl carbonyl compounds |
| 04/05/1988 | CA1234833A1 Bis-(4-isocyanatophenoxy)-alkanes and a process for the production thereof |
| 04/05/1988 | CA1234832A1 Unsaturated ester isocyanates and a process for the production thereof |
| 04/05/1988 | CA1234826A1 Process for the production of polyisocyanates |
| 03/22/1988 | US4733109 Second harmonic generation with Schiff bases |
| 03/16/1988 | EP0259995A1 Liquid crystal material |
| 03/16/1988 | EP0259511A1 Polyfunctional carbodiimides having particular structures |
| 03/16/1988 | EP0259423A1 Liquid crystal compounds, mixtures and devices. |
| 03/15/1988 | CA1234137A1 Multi-stage process with adiabatic reactors for the preparation of isocyanates |
| 03/08/1988 | US4730032 Molding materials |
| 03/08/1988 | US4729781 3,6-dichloro-2-methoxybenzohydroxamic acid derivatives and use as herbicidal agents |
| 03/02/1988 | EP0258183A2 Process for the preparation of 5-amino-4-hydroxyvaleric-acid derivatives |
| 03/02/1988 | EP0257828A1 Dipropargyloxybenzene compounds and their production |
| 03/02/1988 | EP0257420A1 Selected diisocyanates,process for their preparation and their use as constituting components in the production of polyurethane plastics |
| 03/02/1988 | EP0257309A2 Process for the preparation of ethynylbenzaldehydes |
| 03/02/1988 | EP0257294A1 E/Z-isomeric mixtures and pure Z-isomers of N-alpha-(2-cyano-2-alkoxyiminoacetyl) amino-acid derivatives and like peptides |
| 02/25/1988 | WO1988000940A3 Hexasubstituted cyclohexane compounds |
| 02/24/1988 | EP0256982A2 Method for the preparation of optically active secondary aryl amines |
| 02/24/1988 | EP0256097A1 Vinyl compounds and liquid crystal phase. |
| 02/24/1988 | CN87103543A Fungicides |
| 02/23/1988 | US4727158 5-Higher alkyl substituted-2H-benzotriazoles |
| 02/23/1988 | US4727142 Reacting a nitrile with alcohol or mercaptan in presence of a catalyst |
| 02/17/1988 | CN87105457A Benzohydroxamic acid derivatives |
| 02/16/1988 | US4725676 5-(3,5-disubstituted phenylazo)-2-hydroxybenzene-acetic acids and salts and lactones thereof having a potentially inhibitory effect on 15-hydroxy-prostaglandin dehydrogenase |
| 02/11/1988 | WO1988000940A2 Hexasubstituted cyclohexane compounds |
| 02/11/1988 | WO1987005291A3 Liquid crystal compounds, mixtures and devices |
| 02/11/1988 | DE3625713A1 Hexasubstituierte cyclohexanverbindungen Hexasubstituted cyclohexane |
| 02/03/1988 | EP0255236A2 Fluorine-containing chiral smectic liquid crystals |
| 01/27/1988 | EP0254461A2 Combatting plant nematodes using substituted hydrazones |
| 01/27/1988 | EP0254422A1 Aromatization process |
| 01/27/1988 | CN87104974A Substituted hydrazones, process of preparation and their use as pesticide |
| 01/13/1988 | EP0252639A1 Leukotriene antagonists |
| 01/12/1988 | CA1231342A1 Therapeutic compositions containing n-substituted hydrazones and novel n-substituted hydrazones |
| 01/12/1988 | CA1231341A1 Herbicides derived from aryloxybenzenecarboxylic acid imides |
| 01/07/1988 | EP0250961A2 Chiral esters of alpha-substituted phenylalkylic acids and mesogeneous hydroxyl compounds, and their use as dopants in liquid-crystal phases |
| 12/22/1987 | CA1230605A1 Process for the preparation of polymeric tertiary aralkyl isocyanates from 1,3- or 1,4- bis (1-chloro- methylethyl) benzene |
| 12/10/1987 | DE3618213A1 Chiral esters of alpha -substituted carboxylic acids with mesogenic hydroxyl compounds, and their use as doping substance in liquid-crystalline phases |
| 12/08/1987 | CA1230116A1 Schiff bases of (aminoalkyl or substituted aminoalkyl)amino-9,10-anthracenediones |
| 12/08/1987 | CA1230115A1 Substituted anthra¬1,9-cd|pyrazol-6(2h)-ones |
| 12/03/1987 | WO1987007312A1 Process for producing diaminoalkane derivatives |
| 12/02/1987 | EP0247199A1 Synthetic routes to cyclopentanecarboxylic acid derivatives |
| 11/26/1987 | DE3617605A1 Verfahren zur herstellung von diaminoalkan-derivaten A process for preparing diaminoalkane derivatives |
| 11/24/1987 | CA1229623A1 .beta.-PHENETHANOLAMINE ANTIOBESITY AGENTS |
| 11/19/1987 | EP0245950A2 Insecticidal n-substituted-n' - substituted-n, n'-diacylhydrazines |
| 11/11/1987 | EP0244778A1 Mono-tertiary-alkylated toluenediiso-cyanates and derivatives |
| 11/11/1987 | EP0244727A1 1,4-Bis-(4-isocyanatophenoxy)-benzenes, process for their preparation and their use in the production of polyurethane plastics |
| 11/11/1987 | EP0244620A1 Process for the preparation of isophorone diisocyanate from isophorone dicarbamyl esters using highly selective SnO2 or CuO catalysts |
| 11/10/1987 | US4705898 Preparation of disecondary amines from diolefins and primary amines |
| 11/10/1987 | US4705847 Polycycloalkylidene-polycycloalkanes, epidioxy derivatives thereof and method of preparation |
| 11/03/1987 | US4704403 3-(2,2,2-trisubstituted hydrazinium) propionates |
| 10/28/1987 | EP0243014A1 Fungicides |
| 10/28/1987 | EP0242986A1 Fluorinated organic nitrogen compounds |
| 10/27/1987 | US4702863 Indoaniline and indophenol compounds, a process for their preparation, dyeing compositions containing them and a hair-dyeing process |
| 10/22/1987 | WO1987004426A3 Vinyl compositions |
| 10/21/1987 | EP0242203A1 Beneficial use of water in catalytic conversion of formamides to isocyanates |
| 10/21/1987 | EP0241805A2 Surface active polycarbodiimides and their dispersions |
| 10/20/1987 | US4701525 Polyazo dyestuffs having high UV absorption |
| 10/08/1987 | WO1987005896A1 Amide liquid crystal compounds: mixtures and devices using them |
| 10/08/1987 | EP0168480A4 Process for preparing optically-active 4-amino-3-hydroxybutyric acid. |
| 10/07/1987 | EP0240463A2 Substituted aminooxypropion amides |
| 10/07/1987 | EP0240193A2 Preparation of secondary amines from olefins and primary amines |
| 10/07/1987 | EP0240094A2 Process for preparing isocyanatoalkyl esters |
| 10/07/1987 | EP0240083A2 Colourless ketimines, their preparation and their use as cross-linking agents |
| 10/06/1987 | US4698333 Use of substituted malonic acid derivatives as agents for combating pests |
| 10/06/1987 | US4698208 Reactive supports; automatic production of polypeptides |
| 09/30/1987 | CN87102215A Process for preparing methyl isocyanate |
| 09/29/1987 | CA1227482A1 Production of l-oxacephams |
| 09/24/1987 | WO1987005600A1 Process for preparing methyl isocyanate |
| 09/22/1987 | US4695646 Aminoacrylic acid derivatives |
| 09/22/1987 | US4695631 Isomerization of an allylamine, rhodium complex catalyst |
| 09/22/1987 | US4695580 Phenylserine derivatives and processes for preparing the same |
| 09/17/1987 | DE3608354A1 1,4-Diisocyanato-4-methylpentane, a process for its preparation, and its use as isocyanate component in the preparation of polyurethane plastics |