Patents
Patents for C07C 265 - Derivatives of isocyanic acid (3,263)
09/2008
09/02/2008US7420080 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
09/02/2008CA2248338C 2-amino-4-bicycloamino-1,3,5-triazines as herbicides and plant growth regulators
08/2008
08/26/2008US7417163 Process for preparing high purity (meth) acryloyloxyalkyl isocyanate
08/20/2008EP1893564B1 Method for preparing isocyanate adducts
08/20/2008CN101245036A Chemical synthesis method for octadecyl isocyanic ester
08/06/2008CN101238096A Method for producing diisocyanates
08/06/2008CN101234998A Process for the continuous preparation of (cyclo) aliphatic diisocyanates
08/06/2008CN101234997A Multi-stage method for continuously preparing alicyclic diisocyanate
07/2008
07/30/2008CN101230019A Multilevel method for continuously producing cycloaliphatic diisocyanates
07/30/2008CN101230018A Multilevel method for continuously producing cycloaliphatic diisocyanates
07/24/2008WO2008086922A1 Method for producing isocyanates
07/17/2008WO2008084824A1 Process for producing isocyanate
07/16/2008CN101223131A Concentrating method, treating method, concentrating system and treating system for polyisocyanate residues
07/10/2008WO2007140380A3 Tagging reagents and methods for hydroxylated compounds
07/03/2008WO2008077672A1 Process for the continuous preparation of (cyclo)aliphatic diisocyanates
07/02/2008CN101209983A Method for conditioning isocyanates
06/2008
06/26/2008WO2008074645A1 Process for preparing 2-methylpentane 1,5-diisocyanate from methylglutaronitrile
06/26/2008US20080153899 Fatty amine drug conjugates
06/26/2008US20080153836 1H-Quinazoline-2,4-Diones
06/26/2008DE102006061475A1 Verfahren zur kontinuierlichen Herstellung von (cyclo)aliphatischen Diisocyanaten Process for the continuous preparation of (cyclo) aliphatic diisocyanates,
06/26/2008DE102006061474A1 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
06/26/2008DE102006061473A1 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
06/26/2008DE102006061472A1 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
06/26/2008DE102006061471A1 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
06/26/2008DE102006061470A1 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
06/26/2008DE102006061469A1 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
06/25/2008EP1935877A1 Process for the preparation of toluene diisocyanate
06/25/2008CN101205201A Multi-step method for continuously producing toluene diisocyanate
06/25/2008CN101205200A Multi-step method for continuously producing toluene diisocyanate
06/25/2008CN101205199A Process for the preparation of toluene diisocyanate
06/25/2008CN101205198A Multilevel method for continuously producing cycloaliphatic diisocyanates
06/25/2008CN101205197A Method for manufacturing isocyanates in the gaseous phase
06/19/2008WO2008071564A1 Process for preparing isocyanates
06/19/2008DE102006060181A1 Verfahren zur Herstellung von Toluylendiisocyanat A process for preparing toluylene diisocyanate
06/18/2008EP1932828A2 Process for controlling a production process
06/18/2008EP1931625A1 Method for purifying residues containing isocyanates
06/18/2008CN101203488A Process for production of isocyanate, isocyanate produced by the process, and use of the isocyanate
06/18/2008CN101200437A Method for manufacturing isocyanates in the gaseous phase
06/18/2008CN101200436A Method for continuously preparing 1,6-hexamethyl diisocyanate
06/12/2008WO2008069256A1 Polymerizable monomer composition and method for preventing polymerization
06/12/2008CA2671206A1 Polymerizable monomer composition and method for preventing polymerization
06/11/2008CN101198587A Method for preparing isocyanate adducts
06/11/2008CN101195591A Method for producing hexa-methylene diamino-methyl formate with catalysis
06/11/2008CN101195590A Method for producing 1,6-hexamethylene diisocyanate with hexa-methylene diamino-methyl formate liquid phase thermal cracking
06/11/2008CN100393787C Mixtures containing isocyanate stabilisers of the hindered phenol type with a high molecular weight
06/05/2008WO2008064887A1 A bislactamamide derivative as intermediate in the production of di i socyanate
06/05/2008US20080132724 Allophanate modified isocyanates which contain reactive unsaturation
06/04/2008EP1926707A1 Process for the preparation of isocyanates
05/2008
05/29/2008WO2008062859A1 Process for production of phenylalanine derivatives having quinazolinedione skeletons and intermediates for the production
05/28/2008EP1924552A1 Method for producing isocyanates
05/22/2008WO2008059953A1 Method for producing isocyanate
05/15/2008WO2008055904A1 Method for producing isocyanates
05/15/2008WO2008055899A1 Method for producing isocyanates
05/15/2008WO2008055898A1 Method for the production of isocyanates
05/15/2008US20080114186 Reaction product with compound having amide and hydroxyl functionality; low viscosity, room temperature storage stability; lower freezing points
05/15/2008DE102005026500B4 Herstellung von N-Arylcarbamaten und N-Arylisocyanaten Preparation of N-aryl carbamates and N-aryl isocyanates
05/14/2008CN101177408A Method for preparing isocyanate
05/14/2008CN100387573C Process for preparing high purity (meth)acryloyloxyalkyl isocyanate
05/13/2008US7371891 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
04/2008
04/30/2008EP1401802B1 Method for producing isocyanates
04/30/2008CN100384816C Blocked isocyanate and preparation method thereof
04/23/2008EP1912934A2 Method for producing diisocyanates
04/15/2008US7358388 Method for the purification of isocyanates
04/09/2008EP1908749A1 Process for production of isocyanate, isocyanate produced by the process, and use of the isocyanate
04/09/2008CN100379720C Closed polyisocyanic acid ester
04/03/2008WO2008037173A1 A hole jet reactor and a process for the preparation of an isocyanate using the reactor
04/02/2008CN101155789A 1h-quinaz0line-2,4-diones and their use as ampa-receptor ligands
04/02/2008CN101153015A Hole shooting flow type reactor and method for producing isocyanic ester by using the reactor
03/2008
03/26/2008EP1902016A2 Concentrating method, treating method, concentrating system and treating system for polyisocyanate residues
03/26/2008CN101151243A Apparatus for polyisocyanate production and apparatus for gas treatment
03/26/2008CN101151242A Apparatus for continuously producing polyisocyanate
03/26/2008CN101151241A Mmdi and pmdi production by means of gas phase phosgenation
03/20/2008WO2008031755A1 Process for preparing isocyanates
03/19/2008CN101143840A Preparation and application for polyisocyanates containing whole-fluoroalkyl chain segment
03/12/2008EP1897898A1 Degradable polymer and process for production thereof
03/12/2008CN101142252A (meth)acryloyl group-containing aromatic isocyanate compound and production process thereof
03/12/2008CN101142173A Process for production of polyisocyanate and equipment for production thereof
03/12/2008CN100374196C Method for producing polyisocyanates
03/06/2008WO2008025659A1 Method for producing isocyanates
03/06/2008DE102007039127A1 Verfahren zur Herstellung von Isocyanaten A process for the preparation of isocyanates
03/05/2008EP1893564A1 Method for preparing isocyanate adducts
03/05/2008EP1893563A1 Production of n-aryl carbamates and n-aryl isocyanates
03/05/2008CN101137617A MDI production by means of liquid phase and gas phase phosgenation
03/04/2008US7339074 Multistage continuous preparation of cycloaliphatic diisocyanates
02/2008
02/27/2008EP1890998A2 Process for the preparation of polyisocyanates of the diphenylmethane series
02/12/2008US7329776 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
02/07/2008WO2008015134A1 Process for preparing pentamethylene 1,5-diisocyanate
02/06/2008CN101117375A Producing method of polyurethane and/or preformed polymer
02/06/2008CN100366607C Process for preparing polyisocyanate by solid phosgene
01/2008
01/31/2008US20080027242 Method for Producing Isocyanates
01/30/2008CN100364959C Process for the preparation of diamines and polyamines of the diphenylmethane series
01/24/2008WO2008009897A1 Process for preparing pregabalin and its opposite enantiomer
01/23/2008CN101108812A Method for producing isocyanates
01/23/2008CN100363338C Polyisocyanate containing acyl urea group, its producing process and its application
01/17/2008WO2008006775A1 Method for producing isocyanates
01/16/2008CN101104596A Temperature response type self-closed fragrant slow release microcapsule and preparation method thereof
01/16/2008CN101104595A Process for preparing isocyanate
01/16/2008CN100361968C Method for producing isocyanates
01/09/2008CN101100448A 2-octyl-3,4-di(7-diisocyanateheptyl)-1-hexylcyclohexane and its preparation method and use
01/09/2008CN100360497C Poly methylene poly phenyl poly isocyanate with anti-scaling property and preparing method
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