| Patents for C07C 265 - Derivatives of isocyanic acid (3,263) |
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| 02/16/1999 | US5872278 Reacting the corresponding amines with phosgene, the amines are treated with solid inorganic substances containing lewis acid and/or bronsted acid centers prior to the reaction with the phosgene |
| 12/23/1998 | EP0885201A1 2-amino-4-bicycloamino-1,3,5-triazines as herbicides and plant growth regulators |
| 12/17/1998 | WO1998056847A1 Isocyanate compositions for blown polyurethane foams |
| 12/17/1998 | CA2289530A1 Isocyanate compositions for blown polyurethane foams |
| 12/15/1998 | US5849947 Process for the preparation of toluylene diisocyanate, specific mixtures of toluylene diamine and water, and the use of toluylene diamine and water mixtures to prepare toluylene diisocyanate |
| 12/09/1998 | CN1201450A Method for producing organic diurethanes and/or polyurethanes and their use in production of di-and/or polyisocyanates |
| 12/08/1998 | US5847134 Fluorocarbon-containing isocyanate derivatives and soil-resist agents |
| 12/03/1998 | WO1998054129A1 Method for the preparation of organic isocyanates |
| 12/03/1998 | WO1998054128A1 Method for the preparation of organic isocyanates |
| 12/03/1998 | CA2289656A1 Method for the preparation of organic isocyanates |
| 12/02/1998 | EP0777647B1 4,4'-methylen-bis-(3-chloro-2,6-dialkylphenylisocyanates) and polyurethane systems containing the same |
| 12/01/1998 | CA2036537C 2,2-dialkylpentane 1,5-diisocyanates, 2,2-dialkylpentane 1,5-diurethanes and 2,2-dialkylpentane 1,5-dicarbamoyl chlorides, and their preparation and their use |
| 11/25/1998 | CN1200111A Polyisocyanate particles of controlled particle size and particle size distribution |
| 11/18/1998 | EP0877731A1 Fluorocarbon-containing isocyanate derivatives and soil-resist agents |
| 11/17/1998 | US5837746 Coreactive photoinitiators |
| 11/11/1998 | EP0876335A1 Production of isocyanate using chlorine recycle |
| 11/04/1998 | EP0640069B1 Fluoroalkenyl compounds and their use as pest repellents |
| 11/04/1998 | CN1197793A Preparation of isocyanates having light color |
| 11/03/1998 | CA2102821C 4-substituted bis(2,6-diisopropylphenyl)- carbodiimides, their preparation, their use, and 4-substituted 2,6-diisopropylphenyl isocyanates which can be used for their preparation |
| 10/20/1998 | US5824705 Carbamates and crop protection agents containing them |
| 10/01/1998 | WO1998042681A1 Novel herbicidal hydroximic acid derivatives |
| 10/01/1998 | CA2283672A1 Novel herbicidal hydroximic acid derivatives |
| 09/23/1998 | EP0866057A2 Process for the preparation of isocyanates of light colour |
| 09/19/1998 | CA2229835A1 Preparation of isocyanates having a light color |
| 09/17/1998 | WO1998040337A1 Adamantane derivatives and process for producing them |
| 09/16/1998 | EP0864586A2 Chiral compounds, synthesis and use on a support |
| 09/15/1998 | US5808138 Stable polyisocyanate copositions obtainable by phosgene-free methods and their preparation |
| 09/09/1998 | CN1192737A Benzylhydroxylamines and intermediates used to prepare them |
| 09/02/1998 | EP0861232A1 Method of producing organic diurethanes and/or polyurethanes and their use in the production of di- and/or polyisocyanates |
| 08/19/1998 | EP0858444A1 Cyclopentyl tachykinin receptor antagonists |
| 08/12/1998 | CN1190106A Polyphosphoric acid as stabilizer for polyurethane prepolymers |
| 08/05/1998 | EP0856551A1 Polyphosphoric acid as a stabilizer for polyurethane prepolymers |
| 08/05/1998 | CN1189826A Triazoline and isoxazoline bis-oxime derivatives and their use as pesticides |
| 07/30/1998 | CA2227817A1 Polyphosphoric acid as a stabilizer for polyurethane prepolymers |
| 07/29/1998 | EP0809663B1 Process for producing polyisocyanates containing biuret groups |
| 07/28/1998 | US5786438 Polyurethane-ureas |
| 07/23/1998 | WO1998031662A1 Aliphatic triisocyanate compound, process for producing the same, and polyurethane resin made from the compound |
| 07/21/1998 | US5783727 Subjecting mixture to crystallization-melting cycle to separate out the 2,6-isomer |
| 07/16/1998 | WO1998030329A1 Nitration or carboxylation catalysts |
| 07/09/1998 | DE19651215C1 Verfahren zur Trennung von kristallisierbaren Isomerenmischungen organischer Verbindungen A process for separating isomer mixtures of crystallizable organic compounds |
| 06/30/1998 | US5773643 Process for preparation of isocyanate compounds |
| 06/30/1998 | US5773551 Method of utilizing isocyanate linkages for forming multi-tier cascade polymers |
| 06/24/1998 | EP0849258A1 Process for the preparation of ethylenically unsaturated isocyanates |
| 06/23/1998 | US5770763 Polyarylcyclobutenes derived from 3,6 functionalized mono and dicyclobutabenzene |
| 06/18/1998 | WO1998025889A1 Suspension crystallization method |
| 06/18/1998 | WO1998025680A1 Suspension crystallization method |
| 06/10/1998 | EP0846102A1 Polyisocyanate particles of controlled particle size and particle size distribution |
| 06/02/1998 | US5760072 Paclitaxel prodrugs, method for preparation as well as their use in selective chemotherapy |
| 05/27/1998 | CN1038503C Preparation process of eylylene diisocyanate |
| 05/14/1998 | WO1998019993A1 Process for the isomeric separation of isocyanates |
| 05/07/1998 | DE19645659A1 Verfahren zur Isomerentrennung von Isocyanaten Method of separating isomers of isocyanates |
| 05/06/1998 | EP0624155B1 Carbamates and plant-protecting agents containing them |
| 04/28/1998 | US5744633 Process for the production of diurethanes and their use for the production of diisocyanates |
| 04/28/1998 | US5744512 For photopolymerization of systems containing unsaturated compounds |
| 04/22/1998 | EP0836595A1 Triazoline and isoxazoline bis-oxime derivatives and their use as pesticides |
| 04/22/1998 | EP0836594A1 Benzylhydroxylamines and intermediates used to prepare them |
| 04/09/1998 | WO1998014425A1 Isocyanate derivatives and their production |
| 04/07/1998 | CA1339804C Process for the preparation of acyl isocyanates |
| 03/31/1998 | US5734076 Useful in the production of polyurethanes with high chemical stability and good thermal stability |
| 03/31/1998 | US5734060 Reacting oxalyl chloride with n-trialkylsilylcarboxamide or n,n-bis(trialkylsilyl)carboxamide |
| 03/25/1998 | EP0830894A1 Mixer-reactor and process to perform reactions, especially phosgenation of primary amines |
| 03/24/1998 | US5731458 Process for thermally cracking carbamic acid esters |
| 03/24/1998 | US5731399 Di- and polyamino compounds for use in the preparation of polyurethanes |
| 03/20/1998 | CA2216040A1 Mixer-reactor and process for carrying out reactions, in particular the phosgenation of primary amines |
| 03/19/1998 | DE19738758A1 Carbonyl di:isocyanate preparation from single starting material without forming explosive gas |
| 03/18/1998 | EP0829500A2 Stabilised blocked isocyanates |
| 03/17/1998 | US5728432 Reinforcement of glass fibers, carbon fibers and aramid fibers with dispersion of carbodiimide compound and solvent |
| 03/17/1998 | US5728317 Polyisocyanurates from polyisocyanates with stabilizers |
| 03/11/1998 | CN1175965A Process for producing polyisocyanates contg. biuret groups |
| 03/05/1998 | DE19635723A1 Catalyst composition giving high conversion and selectivity |
| 02/04/1998 | CN1172125A Preparation of solutions of one or more isocyanates which contain no apparatus amounts of components which give color, and also the isocyanates themselves |
| 02/03/1998 | US5714517 Nematocides, insecticides |
| 01/07/1998 | EP0816333A1 Process for the preparation of solutions containing one or more isocyanates which do not contain significant proportions of colour-forming components as well as the use of the prepared isocyanates |
| 12/30/1997 | US5703271 Substituted tert-butyl isocyanate |
| 12/26/1997 | CA2209139A1 Preparation of solutions of one or more isocyanates which contain no appreciate amounts of components which give a color, and also the isocyanates themselves |
| 12/24/1997 | CN1168665A Obtaining toluene 2,6-diisocyanate from a mixture containing toluene 2,6-diisocyanate and toluene 2,4-diisocyanate |
| 12/17/1997 | EP0812310A1 Novel di- and polyamino compounds for use in the preparation of polyurethane materials |
| 12/03/1997 | EP0809663A1 Process for producing polyisocyanates containing biuret groups |
| 12/02/1997 | US5693865 Fluoroalkenyl compounds and their use as pest repellents |
| 12/02/1997 | US5693853 Using carbonyl chloride produced from chlorine and contaminated carbon monoxide, wherein the carbonyl chloride is purified |
| 11/04/1997 | US5684180 Fractionation and purification of aromatic polyamine mixtures and the use thereof |
| 10/29/1997 | CN1163608A Process for preparing isocyanates |
| 10/28/1997 | US5681794 N-cyanoaryl-nitrogen heterocycles |
| 10/21/1997 | US5679841 Using a hydrophobic solvent phase and an aqueous phase containing a strong acid and an auxiliary amine; neutralization of aqueous phase |
| 10/21/1997 | US5679840 Mixing with hydrophobic solvent phase containing auxilliary amine and aqueous phase comprising water and strong acid, fractionally distilling, neutralizing |
| 10/21/1997 | US5679839 Reacting a compound with two primary amines on an aromatic nucleus with phosgene |
| 10/15/1997 | EP0801055A1 Mixtures of homologues and isomers of cycloaliphatic diisocyanates and their use in the preparation of polyisocyanate addition products |
| 10/09/1997 | WO1997036857A1 Method of utilizing isocyanate linkages for forming multi-tier cascade polymers |
| 10/07/1997 | US5675035 Fractionation and purification of aromatic polyamine mixtures and the use thereof |
| 10/07/1997 | CA2094484C Multistep, continuous preparation of organic polyisocyanates |
| 10/01/1997 | EP0798285A2 3,4,4-Trifluoro-3-butenoic acid or its methyl ester |
| 09/30/1997 | US5672737 Fractionation and purification of mixtures of aromatic polyamines and use thereof |
| 09/17/1997 | EP0795544A1 Process for the thermal decomposition of carbamic esters |
| 09/17/1997 | EP0795543A1 Use of high boiling solvents or solvent mixtures as heat exchange medium in the thermal decomposition of carbamic esters |
| 09/15/1997 | CA2199919A1 Process for thermally cracking carbamic acid esters |
| 09/04/1997 | WO1997031904A1 2-amino-4-bicycloamino-1,3,5-triazines as herbicides and plant growth regulators |
| 09/04/1997 | DE19607450A1 2-Amino-4-bicycloamino-1,3,5-triazine, Verfahren zu deren Herstellung und deren Verwendung als Herbizide und Pflanzenwachstumsregulatoren 2-amino-4-bicycloamino-1,3,5-triazines, to processes for their preparation and their use as herbicides and plant growth regulators |
| 09/03/1997 | EP0792263A1 Process for preparing isocyanates |
| 09/02/1997 | US5663424 Fractionation and purification of aromatic polyamine mixtures and the use thereof |
| 08/27/1997 | EP0680466B1 Process for preparing isocyanates |