| Patents for C07C 263 - Preparation of derivatives of isocyanic acid (3,065) |
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| 08/06/2008 | CN101234998A Process for the continuous preparation of (cyclo) aliphatic diisocyanates |
| 08/06/2008 | CN101234997A Multi-stage method for continuously preparing alicyclic diisocyanate |
| 07/30/2008 | CN101230019A Multilevel method for continuously producing cycloaliphatic diisocyanates |
| 07/30/2008 | CN101230018A Multilevel method for continuously producing cycloaliphatic diisocyanates |
| 07/24/2008 | WO2008086922A1 Method for producing isocyanates |
| 07/17/2008 | WO2008084824A1 Process for producing isocyanate |
| 07/17/2008 | WO2008084054A1 Polyurethane rigid foams |
| 07/17/2008 | US20080171894 Isocyantes (Mmdi, Pmdi) via preparing crude MDA mixture comprising monomeric methylenedi(phenylamines) and polymethylene-polyphenylene polyamines by reaction of aniline with formaldehyde, then phosgenating |
| 07/16/2008 | EP1943214A2 Heterogeneous supported catalytic carbamate process |
| 07/16/2008 | CN101223131A Concentrating method, treating method, concentrating system and treating system for polyisocyanate residues |
| 07/10/2008 | US20080167490 Reacting a primary amine with phosgene in the gas phase above the boiling point of the amine over an average contact time of 0.05 to 15 seconds under adiabatic conditions; avoid temperature control problems; industrial scale with high space/time yields |
| 07/03/2008 | WO2008077672A1 Process for the continuous preparation of (cyclo)aliphatic diisocyanates |
| 07/03/2008 | WO2008077287A1 An orifice jet-type injection reactor |
| 07/03/2008 | DE102006061536A1 Verfahren zur Konditionierung von Isocyanaten A method for conditioning of isocyanates |
| 07/02/2008 | EP1939171A1 Method for conditioning isocyanates |
| 07/02/2008 | CN101209983A Method for conditioning isocyanates |
| 06/26/2008 | WO2008074645A1 Process for preparing 2-methylpentane 1,5-diisocyanate from methylglutaronitrile |
| 06/26/2008 | DE102006061475A1 Verfahren zur kontinuierlichen Herstellung von (cyclo)aliphatischen Diisocyanaten Process for the continuous preparation of (cyclo) aliphatic diisocyanates, |
| 06/26/2008 | DE102006061474A1 Multistage preparation of cycloaliphatic diisocyanates, useful for forming e.g. polymers, comprises reacting cycloaliphatic diamines with carbonic acid derivatives and alcohols to give cycloaliphatic diurethane and thermally cleaving |
| 06/26/2008 | DE102006061473A1 Multistep process to prepare cycloaliphatic diisocyanates, useful to prepare e.g. urethane, comprises reacting cycloaliphatic diamine with carbonic acid derivative and alcohol and thermally cleaving the obtained cycloaliphatic diurethane |
| 06/26/2008 | DE102006061472A1 Multistage preparation of cycloaliphatic diisocyanates, useful for forming e.g. polymers, comprises reacting cycloaliphatic diamines with carbonic acid derivatives and alcohols to give cycloaliphatic diurethane and thermally cleaving |
| 06/26/2008 | DE102006061471A1 Multistep process to prepare cycloaliphatic diisocyanates, useful to prepare e.g. urethane, comprises reacting cycloaliphatic diamine with carbonic acid derivative and alcohol and thermally cleaving the obtained cycloaliphatic diurethane |
| 06/26/2008 | DE102006061470A1 Multistage preparation of cycloaliphatic diisocyanates, useful for forming e.g. polymers, comprises reacting cycloaliphatic diamines with carbonic acid derivatives and alcohols to give cycloaliphatic diurethane and thermally cleaving |
| 06/26/2008 | DE102006061469A1 Multistage preparation of cycloaliphatic diisocyanates, useful for forming e.g. polymers, comprises reacting cycloaliphatic diamines with carbonic acid derivatives and alcohols to give cycloaliphatic diurethane and thermally cleaving |
| 06/25/2008 | EP1935877A1 Process for the preparation of toluene diisocyanate |
| 06/25/2008 | EP1935876A1 Method for manufacturing isocyanates in the gaseous phase |
| 06/25/2008 | EP1935875A1 Method for manufacturing isocyanates in the gaseous phase |
| 06/25/2008 | CN101205201A Multi-step method for continuously producing toluene diisocyanate |
| 06/25/2008 | CN101205200A Multi-step method for continuously producing toluene diisocyanate |
| 06/25/2008 | CN101205199A Process for the preparation of toluene diisocyanate |
| 06/25/2008 | CN101205198A Multilevel method for continuously producing cycloaliphatic diisocyanates |
| 06/25/2008 | CN101205197A Method for manufacturing isocyanates in the gaseous phase |
| 06/19/2008 | WO2008071564A1 Process for preparing isocyanates |
| 06/19/2008 | US20080146835 Process for the preparation of toluene-diisocyanate |
| 06/19/2008 | US20080146834 Process for the preparation of isocyanates in the gas phase |
| 06/19/2008 | DE102006060181A1 Verfahren zur Herstellung von Toluylendiisocyanat A process for preparing toluylene diisocyanate |
| 06/19/2008 | DE102006058634A1 Producing isocyanates comprises reacting phosgene and amines, cooling the obtained gas mixture for the condensation of formed isocyanate and separating the non-condensed isocyanate from the mixture by washing |
| 06/19/2008 | DE102006058633A1 Verfahren zur Herstellung von Isocyanaten in der Gasphase A process for the preparation of isocyanates in the gas phase |
| 06/18/2008 | EP1932828A2 Process for controlling a production process |
| 06/18/2008 | EP1931625A1 Method for purifying residues containing isocyanates |
| 06/18/2008 | CN101203488A Process for production of isocyanate, isocyanate produced by the process, and use of the isocyanate |
| 06/18/2008 | CN101200437A Method for manufacturing isocyanates in the gaseous phase |
| 06/18/2008 | CN101200436A Method for continuously preparing 1,6-hexamethyl diisocyanate |
| 06/11/2008 | EP1928928A1 Method for the production of polyisocyanates |
| 06/11/2008 | CN101198587A Method for preparing isocyanate adducts |
| 06/11/2008 | CN101195591A Method for producing hexa-methylene diamino-methyl formate with catalysis |
| 06/11/2008 | CN101195590A Method for producing 1,6-hexamethylene diisocyanate with hexa-methylene diamino-methyl formate liquid phase thermal cracking |
| 06/11/2008 | CN100393787C Mixtures containing isocyanate stabilisers of the hindered phenol type with a high molecular weight |
| 06/05/2008 | WO2008064887A1 A bislactamamide derivative as intermediate in the production of di i socyanate |
| 06/05/2008 | US20080132724 Allophanate modified isocyanates which contain reactive unsaturation |
| 06/04/2008 | EP1926707A1 Process for the preparation of isocyanates |
| 05/28/2008 | EP1924552A1 Method for producing isocyanates |
| 05/27/2008 | US7378543 Higher functionalities for faster cure rate in foams |
| 05/22/2008 | WO2008059953A1 Method for producing isocyanate |
| 05/22/2008 | WO2008058920A1 Polyphenylenepolymethylene polyisocyanate and its use for producing polyurethane foams |
| 05/21/2008 | CN101184727A Process for the preparation of polyisocyanates of the diphenylmethane series |
| 05/15/2008 | WO2008055904A1 Method for producing isocyanates |
| 05/15/2008 | WO2008055899A1 Method for producing isocyanates |
| 05/15/2008 | WO2008055898A1 Method for the production of isocyanates |
| 05/15/2008 | DE102005026500B4 Herstellung von N-Arylcarbamaten und N-Arylisocyanaten Preparation of N-aryl carbamates and N-aryl isocyanates |
| 05/14/2008 | CN101177408A Method for preparing isocyanate |
| 05/14/2008 | CN100387573C Process for preparing high purity (meth)acryloyloxyalkyl isocyanate |
| 05/13/2008 | US7371891 Phosgene-free; reacting a cycloaliphatic diamine with a carbonic acid derivative and an alcohol to produce a cycloaliphatic diurethane, distillation, thermally cleaving the cycloaliphatic diurethane to produce a cycloaliphatic diisocyanate, recycling reurethanization product directly into the low-boiler |
| 05/06/2008 | US7368595 Reaction of one or more amines with phosgene containing less than 100 ppm of sulfur in elemental or bound form; no need for color-improving after-treatments |
| 05/02/2008 | WO2008049783A1 Process for preparing isocyanates |
| 04/30/2008 | EP1401802B1 Method for producing isocyanates |
| 04/30/2008 | CN100384816C Blocked isocyanate and preparation method thereof |
| 04/23/2008 | EP1912934A2 Method for producing diisocyanates |
| 04/15/2008 | US7358388 Method for the purification of isocyanates |
| 04/09/2008 | EP1908749A1 Process for production of isocyanate, isocyanate produced by the process, and use of the isocyanate |
| 04/02/2008 | CN101153015A Hole shooting flow type reactor and method for producing isocyanic ester by using the reactor |
| 03/26/2008 | EP1902016A2 Concentrating method, treating method, concentrating system and treating system for polyisocyanate residues |
| 03/26/2008 | CN101151243A Apparatus for polyisocyanate production and apparatus for gas treatment |
| 03/26/2008 | CN101151242A Apparatus for continuously producing polyisocyanate |
| 03/26/2008 | CN101151241A Mmdi and pmdi production by means of gas phase phosgenation |
| 03/20/2008 | WO2008031755A1 Process for preparing isocyanates |
| 03/19/2008 | CN101143840A Preparation and application for polyisocyanates containing whole-fluoroalkyl chain segment |
| 03/12/2008 | CN101142173A Process for production of polyisocyanate and equipment for production thereof |
| 03/12/2008 | CN100374196C Method for producing polyisocyanates |
| 03/06/2008 | WO2008025659A1 Method for producing isocyanates |
| 03/06/2008 | DE102007039127A1 Verfahren zur Herstellung von Isocyanaten A process for the preparation of isocyanates |
| 03/05/2008 | EP1894954A1 Prepolymers and polyurethane made of isocyanate components, one and two-component foams thereof |
| 03/05/2008 | EP1893564A1 Method for preparing isocyanate adducts |
| 03/05/2008 | EP1893563A1 Production of n-aryl carbamates and n-aryl isocyanates |
| 03/05/2008 | CN101137617A MDI production by means of liquid phase and gas phase phosgenation |
| 03/04/2008 | US7339074 Multistage continuous preparation of cycloaliphatic diisocyanates |
| 02/27/2008 | EP1890998A2 Process for the preparation of polyisocyanates of the diphenylmethane series |
| 02/12/2008 | US7329776 Phosgene-free; reacting a cycloaliphatic diamine with a carbonic acid derivative and an alcohol to produce a cycloaliphatic diurethane, distillation, thermally cleaving the cycloaliphatic diurethane to produce a cycloaliphatic diisocyanate, recycling reurethanization product directly into the low-boiler |
| 02/07/2008 | WO2008015134A1 Process for preparing pentamethylene 1,5-diisocyanate |
| 02/06/2008 | CN101117375A Producing method of polyurethane and/or preformed polymer |
| 02/06/2008 | CN100366607C Process for preparing polyisocyanate by solid phosgene |
| 01/31/2008 | US20080027242 Method for Producing Isocyanates |
| 01/30/2008 | CN100364959C Process for the preparation of diamines and polyamines of the diphenylmethane series |
| 01/23/2008 | CN101111474A Compositions exhibiting good mixing properties and use of silyl derivatives as isocyanate additives, in particular of isocyanate mixture |
| 01/23/2008 | CN101108812A Method for producing isocyanates |
| 01/23/2008 | CN100363338C Polyisocyanate containing acyl urea group, its producing process and its application |
| 01/17/2008 | WO2008006775A1 Method for producing isocyanates |
| 01/16/2008 | CN101104595A Process for preparing isocyanate |
| 01/16/2008 | CN100361968C Method for producing isocyanates |
| 01/09/2008 | CN101100448A 2-octyl-3,4-di(7-diisocyanateheptyl)-1-hexylcyclohexane and its preparation method and use |