Patents
Patents for C07C 263 - Preparation of derivatives of isocyanic acid (3,065)
06/2013
06/05/2013CN103130682A Method for producing isocyanates
06/05/2013CN101827812B Process for producing polyisocyanate
06/04/2013US8455695 Process for the production of aliphatic isocyanates
05/2013
05/30/2013US20130137892 Process for preparing isocyanates by phosgenation of the corresponding amines in the gas phase
05/23/2013US20130131377 Method for producing isocyanates in the gas phase
05/22/2013EP2593492A1 Process for preparing polyurethane prepolymers containing isocyanate groups
05/22/2013CN103113262A Preparation method of C21-36 alicyclic diisocyanate and use
05/22/2013CN103113261A Preparation method of metharcylic acid, 2-isocyanatoethyl ester
05/22/2013CN101268113B Method for the production of polyisocyanates
05/22/2013CN101205199B Process for the preparation of toluene diisocyanate
05/16/2013WO2013067646A1 Process for the synthesis of beta-aminocarbonyls
05/15/2013EP2592069A1 Method of producing toluenedicarbamate, method of producing toluenediisocyanate, and toluenedicarbamate
05/15/2013CN103102288A Preparation method and application of C23-38 cycloaliphatic diisocyanate
05/08/2013CN103097348A Process for producing carbonyl compounds
05/08/2013CN103086841A Method and device for continuous separation of efficient regular packing tower in toluene diisocyanate production device
05/07/2013US8436204 Method for producing isocyanates
05/02/2013WO2013060836A1 Method for producing isocyanates and/or polyisocyanates
05/02/2013US20130109883 Process for preparing isocyanates and/or polyisocyanates
05/02/2013US20130109881 Method for producing toluenedicarbamate, method for producing toluenediisocyanate, and toluenedicarbamate
05/01/2013EP2586770A1 Method for producing isocyanates and/or polyisocyanates
05/01/2013EP2585433A1 Heterogeneously catalysed carbamate dissociation for synthesis of isocyanates over solid lewis acids
05/01/2013CN103073453A Method and device for reducing toluene diisocyanate separation reboiler scaling
05/01/2013CN103073452A Method for removing phosgene
04/2013
04/25/2013WO2013057165A1 Method for producing light-coloured polyisocyanates
04/24/2013EP2583961A1 Carbamate production method, isocyanate production method, carbamate production device and isocyanate production device
04/24/2013CN202898275U Device for producing toluene diisocynate by light solvent
04/24/2013CN101784555B Preparation of isocyanate-containing alkyl silane
04/10/2013CN101870666B Refining and reclaiming technology of tail gas absorption solvent in production of toluene diisocyanate
04/03/2013CN103025709A Method for producing isocyanates in the gas phase
04/03/2013CN101845000B Polyisocyanate production method and polyisocyanate production system
04/03/2013CN101844998B Process for production of polyisocyanate and equipment for production thereof
04/03/2013CN101838223B Process for production of polyisocyanate and equipment for production thereof
04/03/2013CN101531619B Device for preparing isocyanate by pyrolyzing aminoalkyl esters
03/2013
03/28/2013US20130079546 Method for producing carbamate, method for producing isocyanate, carbamate production system, and isocyanate production system
03/28/2013US20130079542 Processes for producing aryl carbamates, isocynates and polyureas using diaryl carbonate
03/27/2013CN202822806U 1,4-cyclohexane diisocyanate distilling apparatus
03/20/2013CN102976976A Preparation method for methyl isocyanate
03/19/2013US8399702 Process for the production of aromatic diisocyanates in the gas
03/19/2013US8399701 Process for the preparation of di- and polyamines of the diphenylmethane series
03/13/2013EP2566844A1 Method for producing isocyanates in the gas phase
03/13/2013CN1907964B Process for gas phase phosgenation
03/13/2013CN102971287A Carbamate production method, isocyanate production method, carbamate production device and isocyanate production device
03/13/2013CN102964272A Method for preparing hexamethylene-1,6-diisocyanate (HDI) by heterocatalytic pyrolysis in liquid phase
03/07/2013WO2013029918A1 Process for preparing isocyanates
03/07/2013US20130060062 Process for preparing isocyanates
03/06/2013CN101600684B Process for producing isocyanate
02/2013
02/27/2013CN102947267A Heterogeneously catalysed carbamate dissociation for synthesis of isocyanates over solid lewis acids
02/27/2013CN101735109B Method for continuously producing organic isocyanate
02/20/2013EP2558441A1 Process for producing isocyanates
02/19/2013US8378140 Processes for preparing low-chlorine isocyanates
02/19/2013US8378139 Continuous oligomerization of isocyanates
02/13/2013CN102933546A Method for producing isocyanates in gas phase
02/13/2013CN102933545A Method of producing toluene dicarbamate, method of producing toluene diisocyanate, and toluene dicarbamate
02/13/2013CN101792403B Microwave-assisted method for synthesizing 4,4'-diphenylmethane diisocyanate
02/06/2013EP2554537A1 Method for producing carbamate compound, carbamate compound, and method for producing isocyanate compound using same
02/06/2013CN102918024A Compounds made of (cyclo)aliphatic diisocyannates and aromatic acid halides
01/2013
01/30/2013CN102896103A Method for cleaning cokes of carbamate pyrolysis reactor
01/29/2013US8362293 Process for producing isocyanates
01/24/2013US20130023694 Process for producing isocyanates
01/24/2013US20130023691 Method for producing carbamate compound, carbamate compound, and method for producing isocyanate compound using same
01/23/2013EP2547652A1 Method for producing isocyanates
01/23/2013EP2547439A1 Reduced transit static mixer configuration
01/23/2013EP2547428A1 Reactive static mixer
01/17/2013WO2013008891A1 Method for producing isocyanate compound
01/16/2013CN102875418A Method for preparing isocyanate by means of atomizing type gas-liquid two-phase phosgenation
01/09/2013EP2543736A1 Method for producing 1,5-pentamethylene diamine, 1,5-pentamethylene diamine, 1,5-pentamethylene diisocyanate, method for producing 1,5-pentamethylene diisocyanate, polyisocyanate composition, and polyurethane resin
01/09/2013CN101024615B Method for manufacturing aniline
01/03/2013US20130006013 Process for the production of polyisocyanates
01/03/2013DE102011051467A1 Verfahren zur Gewinnung von Toluylendiisocyanat aus flüssigen Rückständen der Toluylendiisocyanatherstellung A process for the recovery of toluene diisocyanate from the liquid residues Toluylendiisocyanatherstellung
01/02/2013EP2539314A1 Method for producing isocyanates in the gas phase
01/02/2013CN102850239A Method for producing isocyanates
01/02/2013CN101811018B Reactor with inclined stirring paddles and system and method using same
01/02/2013CN101200437B Method for manufacturing isocyanates in the gaseous phase
01/02/2013CN101062905B Process for the production of isocyanates
12/2012
12/27/2012WO2012176631A1 Method for producing isocyanate compound containing ethylenically unsaturated group
12/27/2012US20120330015 PROCESS FOR THE PREPARATION OF alpha-ACYLOXY beta-FORMAMIDO AMIDES
12/26/2012CN102844297A Process for producing isocyanates
12/26/2012CN101698652B Method for purifying cyclic solvent in producing TDI
12/19/2012CN102834373A Method for producing carbamate compound, carbamate compound, and method for producing isocyanate compound using same
12/19/2012CN102827035A 1, 4-cyclohexyl diisocyanate synthesis method
12/13/2012US20120316291 Block polyisocyanate composition and coating composition containing same
12/12/2012CN101912751B Amine vaporizer and method for preparing isocyanate by using same
12/11/2012US8329954 Cyclopropene amine compounds
12/05/2012CN102811803A Reduced transit static mixer configuration
11/2012
11/29/2012WO2012160072A1 Process for preparing polyisocyanates from biomass
11/29/2012US20120302786 Process for preparing polyisocyanates from biomass
11/29/2012US20120302785 Method for producing isocyanates in the gas phase
11/28/2012EP2526085A1 Method for producing isocyanates by thermally splitting carbamates
11/28/2012CN102803926A Method for sensing water ingress in phosgene-conducting systems
11/28/2012CN102803206A Method for producing isocyanates
11/28/2012CN102803200A Method for producing color-stable MDA and MDI
11/28/2012CN102802773A Reactive static mixer
11/22/2012WO2012157366A1 Method for manufacturing tolylene diisocyanate
11/21/2012CN101670263B Reactor for preparing toluene diisocynate by gaseous phase method and operation method
11/15/2012WO2012153509A1 Aldehyde compound production method
11/14/2012CN102782146A Method for producing 1,5-pentamethylene diamine, 1,5-pentamethylene diamine, 1,5-pentamethylene diisocyanate, method for producing 1,5-pentamethylene diisocyanate, polyisocyanate composition, and polyurethane resin
11/14/2012CN101429139B Process for producing dicyclohexyl methyl hydride diisocyanate and its midbody
11/08/2012WO2012106588A3 Isocyanate manufacture
11/07/2012CN101856591B TDI byproduct hydrochloric acid tail gas emergency destruction device and control method thereof
10/2012
10/31/2012EP2518044A1 Method for treatment of isocyanate residue, and method for treatment of carbonate
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