| Patents for C07C 265 - Derivatives of isocyanic acid (3,263) |
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| 08/24/1988 | EP0279439A2 Purification process for crystallized layers |
| 08/10/1988 | EP0277748A1 A benzoylurea derivative and its production and use |
| 08/10/1988 | EP0277353A1 Process for the preparation of polyisocyanates containing biuret groups |
| 08/02/1988 | US4761498 Diisocyanates and diisocyanate mixtures based on diphenylmethane, processes for their production and their use as isocyanate component in the production of polyurethane plastics by the isocyanate polyaddition process |
| 07/28/1988 | WO1988005430A1 Process for preparing isocyanate compounds |
| 07/27/1988 | EP0275263A1 Process for preparing methyl isocyanate |
| 07/19/1988 | CA1239416A1 Diisocyanates and their use for the preparation of polyurethanes |
| 07/19/1988 | CA1239415A1 Amino-aminomethylcyclohexanes, useful for the preparation of their corresponding diisocyanates |
| 07/19/1988 | CA1239414A1 Process for the production of polyisocyanates |
| 07/19/1988 | CA1239403A1 Process for the production of stabilized polyisocyanates, stabilized isocyanates of retarded reactivity and their use in the production of polyurethanes |
| 07/06/1988 | EP0273132A2 Preparation of a novel aliphatic diisocyanate from styrene |
| 06/22/1988 | EP0271679A2 Isocyanates derived from dienes and process and their preparation |
| 06/15/1988 | EP0270965A2 Process for the preparation of substituted 3,5-dichloro-2,4-difluorobenzenes |
| 06/15/1988 | EP0270906A1 Diisocyanates and diisocyanate mixtures, process for their preparation and their use in the preparation of polyurethane plastics |
| 06/01/1988 | EP0269218A1 Method for the recovery of isocyanates |
| 05/31/1988 | US4748226 Method of preparation of novel 2-(alkoxymethyl)-pentane-1,5-diisocyanates, 2-(alkoxymethyl)-pentane-1,5-diurethanes, and 2-(alkoxymethyl)-pentane-1,5-dicarbamic acid chlorides and their uses |
| 05/24/1988 | US4746754 Aminotertiarylalkylphenol and phosgene |
| 05/17/1988 | US4745216 Process for the production of polyisocyanates |
| 05/17/1988 | US4745212 Process for the production of isocyanates |
| 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 | EP0266660A2 Preparation of a novel diisocyanate from norbornadiene |
| 05/04/1988 | EP0265668A1 Process for the preparation of a Diisocyanate |
| 05/03/1988 | CA1236112A2 Intermediates useful for making substituted n-aroyl n'-phenyl urea compounds |
| 04/20/1988 | EP0263946A1 Method for scavenging acidic impurities from polymeric isocyanates |
| 04/19/1988 | US4739103 Perfluorocycloalkane carbonyl fluorides and their derivatives |
| 04/14/1988 | DE3731619A1 Nitrogen-containing compounds for use in liquid-crystalline mixtures |
| 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 |
| 04/05/1988 | 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 | CA1234831A1 Liquid diphenylmethane diisocyanate compositions |
| 04/05/1988 | CA1234830A1 Liquid diphenylmethane diisocyanate compositions |
| 04/05/1988 | CA1234827A1 Liquid, urea group-containing polyisocyanate mixtures and plastics derived therefrom |
| 04/05/1988 | CA1234826A1 Process for the production of polyisocyanates |
| 04/05/1988 | CA1234825A1 Process for the continuous preparation of organic mono- and/or polyisocyanates |
| 03/30/1988 | EP0261605A1 2-Substituted 1,5-diaminopentanes |
| 03/30/1988 | EP0261604A1 2-(Alkoxymethyl)-pentane-1,5-diisocyanates, -diurethanes and -dicarbamic-acid chlorides, processes for their preparation and their use |
| 03/15/1988 | CA1234137A1 Multi-stage process with adiabatic reactors for the preparation of isocyanates |
| 03/02/1988 | EP0257420A1 Selected diisocyanates,process for their preparation and their use as constituting components in the production of polyurethane plastics |
| 01/26/1988 | US4721807 Process for separating 2,6-toluene diisocyanate from isomers of toluene diisocyanate |
| 01/26/1988 | US4721806 Process for separating 2,4-toluene diisocyanate from isomers of toluene diisocyanate |
| 01/20/1988 | EP0253175A2 Substituted furazans |
| 01/07/1988 | EP0251952A2 Process for the preparation of polyisocyanates having a biuret structure |
| 12/23/1987 | DE3620821A1 Aliphatic diisocyanates and their use for the preparation of polyurethane plastics |
| 12/22/1987 | CA1230605A1 Process for the preparation of polymeric tertiary aralkyl isocyanates from 1,3- or 1,4- bis (1-chloro- methylethyl) benzene |
| 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 |
| 11/03/1987 | US4704466 Biomedical adhesives |
| 10/28/1987 | EP0242986A1 Fluorinated organic nitrogen compounds |
| 10/21/1987 | EP0242203A1 Beneficial use of water in catalytic conversion of formamides to isocyanates |
| 10/21/1987 | EP0241690A2 Aliphatic diisocyanates and their use for the preparation of polyurethane polymers |
| 10/07/1987 | EP0240094A2 Process for preparing isocyanatoalkyl esters |
| 09/30/1987 | EP0238969A1 Cyclobutane diester-dinitriles process for their preparation and their use |
| 09/30/1987 | CN87102215A Process for preparing methyl isocyanate |
| 09/24/1987 | WO1987005600A1 Process for preparing methyl isocyanate |
| 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 |
| 09/15/1987 | US4694101 Process for separating methyl isocyanate |
| 09/08/1987 | US4692550 Continuous process for thermal splitting of carbamic acid esters |
| 09/02/1987 | EP0234353A1 Process for the production of tetramethyl xylylene diisocyanates |
| 08/25/1987 | CA1225999A1 Multiple-step process for the preparation of hexamethylene diisocyanate-1,6 and/or isomeric aliphatic diisocyanates with six carbon atoms in the alkylene residue |
| 08/25/1987 | CA1225998A1 Preparation of hexamethylene 1,6-diisocyanate and/or isomeric diisocyanates where alkylene is of 6 carbon atoms |
| 08/25/1987 | CA1225997A1 Multiple-step process for the preparation of 3- isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate |
| 08/19/1987 | EP0232541A2 Polyisocyanate compositions containing latent tin-catalysts, their use in the preparation of polyurethane resins and reaction products of sulfonyl isocyanates with selected tin compounds |
| 08/12/1987 | EP0231509A1 Process for the preparation of blocked polyisocyanates containing carbodiimide groups, and their use in the preparation of wire enamellings |
| 08/11/1987 | CA1225401A1 Substituted n-aroyl n'-phenyl urea compounds |
| 08/05/1987 | EP0231152A2 Phenylbenzoyl ureas |
| 08/04/1987 | US4684728 Solubilizing biologically active compounds with reactive hydrogen atoms |
| 07/29/1987 | EP0230224A2 Process for the preparation of alcoxycarbonyl isocyanates |
| 07/28/1987 | US4683329 Beneficial use of water in catalytic conversion of formamides to isocyanates |
| 07/23/1987 | DE3540863C1 Process for preparing hexamethylene diisocyanate |
| 07/21/1987 | US4681934 Cyclodextrin-isocyanate containing compound clathrate |
| 07/14/1987 | US4680338 Bifunctional linker |
| 07/08/1987 | EP0227863A1 Process for separating methyl isocyanate |
| 07/07/1987 | CA1223880A1 1,3,5-tris(1-isocyanatomethylethyl)benzene |
| 07/01/1987 | CN86106647A Benzoylphenylureas |
| 06/30/1987 | US4677221 Process for the production of thermally color stable aliphatic and/or cycloaliphatic diisocyanates and the use thereof for the production of modified polyisocyanates having improved color properties |
| 06/23/1987 | US4675437 Cycloaliphatic triisocyanates |
| 06/23/1987 | CA1223273A1 Hydroxylated polyisocyanates stable prepolymers; process for preparing the same and their use for manufacturing polyurethanes |
| 06/03/1987 | EP0224292A1 Process for the preparation of organic isocyanates |
| 06/02/1987 | US4670441 Parasiticides |
| 05/20/1987 | EP0222535A1 Cryogenic brine separation of water and isocyanates |
| 05/06/1987 | EP0220899A1 Bifunctional linker |
| 04/28/1987 | US4661627 Method for scavenging acidic impurities from polymeric isocyanates |
| 04/28/1987 | US4661626 Process for the production of 2-isocyanato-2,3-dehydrocarboxylic acid esters |
| 04/28/1987 | CA1221104A1 Hydroxylated polyisocyanates stable prepolymers and process for preparing the same |
| 04/22/1987 | EP0219460A2 Benzoylphenyl ureas |
| 04/21/1987 | US4659845 Process for the production of N-methylcarbamates |
| 04/14/1987 | US4657940 4,4'-diisocyanto-phenylbenzylether, a process for the preparation thereof and use in the production of polyurethane plastics |
| 04/07/1987 | US4656223 Process for the production of modified polyisocyanates, the compounds obtainable by this process and their use in polyurethane lacquers |
| 03/24/1987 | US4652595 Process and apparatus for the preparation of mixtures of isocyanate and water which are stable for a short time for glueing particulate material, in particular chips, fibers or the like |
| 03/17/1987 | US4650899 Storage stable mixture of isomers |
| 03/17/1987 | CA1219281A1 Halogenation-nitration-fluoration of aromatic derivatives |
| 03/03/1987 | CA1218669A1 Process for preparing alkyl isocyanates |
| 01/27/1987 | CA1217198A1 Cycloaliphatic diisocyanates optionally in the form of isomer mixtures and a process for their production |
| 01/22/1987 | DE3525606A1 Bis(4-isocyanato-3-methylphenoxy)alkanes, a process for their preparation, and their use in the preparation of polyurethane plastics |
| 01/20/1987 | CA1216858A1 Diisocyanates, diisocyanate mixtures and a process for their production |
| 01/20/1987 | CA1216857A1 Diisocyanates, diisocyanate mixtures and a process for their production |
| 01/20/1987 | CA1216856A1 Liquid diphenylmethane diisocyanate compositions |
| 01/20/1987 | CA1216853A1 Isocyanate preparation, using an improved catalyst |