Patents
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Patents for C07C 263 - Preparation of derivatives of isocyanic acid (3,065)
06/2014
06/25/2014CN101440047B 在气相中生产芳族二异氰酸酯的方法 In the gas phase production of an aromatic diisocyanate, a method
06/24/2014US8759569 Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation
06/24/2014US8759568 Process for preparing isocyanates
06/19/2014WO2014091011A1 A method of toluene diamine (tda) phosgenation in the gaseous phase in a specifically constructed reactor
06/18/2014CN103874680A Method for producing light-coloured polyisocyanates
06/18/2014CN103274966B Method for preparing 1, 5-Naphthalene diisocyanate by solid state phosgenation method
06/18/2014CN102119145B Method for producing aromatic isocyanates
06/18/2014CN101868445B Method for production of isocyanate and aromatic hydroxy compound
06/17/2014US8754111 Method and substances for preparation of N-substituted pyridinium compounds
06/11/2014CN103848768A Application method of methylamino formyl chloride decomposition tail gas hydrogen chloride in cartap synthesis
06/11/2014CN103848759A Method for applying esterification tail gas produced in synthesis of butyl isocyanate to salification
06/11/2014CN103848758A Method for preparing isocyanate by catalytic thermal decomposition
06/11/2014CN103848756A Preparation method of teriflunomide and intermediate thereof
06/10/2014US8748655 Process for preparing light-coloured isocyanates of the diphenylmethane series
06/10/2014US8748654 Method for producing tolylene diisocyanate
06/05/2014WO2014082910A1 Method for producing polyisocyanates
06/04/2014CN102964272B Method for preparing hexamethylene-1,6-diisocyanate (HDI) by heterocatalytic pyrolysis in liquid phase
06/04/2014CN101652344B Method for production of isocyanate using composition comprising carbamic acid ester and aromatic hydroxy compound, and composition for transport or storage of carbamic acid ester
05/2014
05/29/2014US20140147373 Process to separate phosgene and hydrogen chloride from a fluid stream comprising phosgene and hydrogen chloride
05/28/2014CN102482205B 在溶剂循环下制备异氰酸酯、优选二异氰酸酯和多异氰酸酯的方法 The method of preparation of an isocyanate, preferably a diisocyanate, and a polyisocyanate in the solvent circulating
05/21/2014CN203602530U 一种光气化反应生产甲苯二异氰酸酯的装置 A production of the phosgenation of toluene diisocyanate reaction means
05/21/2014CN103804236A 一种加压热解制备异氰酸酯的设备及方法 An apparatus and method for the preparation of isocyanates pyrolysis pressurized
05/15/2014WO2014073672A1 Method for producing aldehyde compound
05/15/2014WO2014073664A1 Method for producing aldehyde compound
05/15/2014WO2014073663A1 Method for purifying aldehyde compound
05/14/2014CN103796991A 制备异氰酸酯的方法 Isocyanates prepared
05/14/2014CN103787920A 甲苯二异氰酸酯生产中紧急分解光气的方法 Toluene diisocyanate production method of emergency phosgene decomposition
05/14/2014CN102171180B 同时生产二苯甲烷系列的二异氰酸酯异构体的不同混合物的方法 The method of simultaneously producing different mixtures of diphenyl methane diisocyanate series isomers
05/08/2014WO2014069605A1 Polyisocyanate composition and isocyanate polymer composition
05/07/2014CN103772240A 一种制备二苯甲烷二异氰酸酯的方法 A method of diphenylmethane diisocyanate prepared
05/07/2014CN102659631B 一步合成乙基异氰酸酯的方法 Step synthesis of ethyl isocyanate method
05/07/2014CN101538204B 二苯基甲烷系列的二胺和多胺的生产方法 Diphenyl methane series of di- and polyamines production methods
05/06/2014US8716517 Method for producing diisocyanates by gas-phase phosgenation
05/06/2014CA2721359C Isocyanate production process
05/01/2014WO2014064128A1 Method for producing isocyanates by phosgenating amines in liquid phase
04/2014
04/30/2014CN103764626A Process for preparing isocyanates
04/30/2014CN102257026B Method for producing colourless polyisocyanates
04/30/2014CN101870665B Gas-liquid-solid three-phase counter-current reaction device and method for pyrolytic reaction of carbamic acid ester
04/24/2014WO2014059516A1 Acrylamide-based crosslinking monomers, their preparation, and uses thereof
04/24/2014US20140114087 Process for preparing isocyanates by phosgenation of amines in the liquid phase
04/24/2014DE102012219324A1 Zusammensetzungen umfassend alkoxysilanhaltige Isocyanateund saure Stabilisatoren Compositions comprising alkoxysilanhaltige Isocyanateund acid stabilizers
04/23/2014CN103739520A Refining method of 3,4-dichlorobenzene isocyanate
04/22/2014US8703997 Process for preparation and preferably distillative workup of diphenylmethane diisocyanate (MDI)
04/16/2014CN103724230A Preparation method and application of isocyanate
04/16/2014CN103724229A Dehydration method during production process of toluene diisocynate
04/16/2014CN101848890B Method for producing isocyanates
04/16/2014CN101792402B Isocyanate alkyl substituted cyclohexane and preparation method as well as application thereof
04/09/2014EP2714650A1 Process for preparing polyisocyanates from biomass
04/09/2014EP2714649A2 Process for preparing polyisocyanates
04/09/2014CN103709074A Preparation method and application of aliphatic C4-6 diisocyanate
04/09/2014CN101747230B Process for preparing isocyanate in gas phase
04/08/2014US8692016 Gas-phase phosgenation process
04/02/2014CN103694140A Degradable isocyanate and application thereof
04/01/2014US8686182 Process for preparing isocyanates and/or polyisocyanates
03/2014
03/27/2014WO2014044699A1 Method for producing diisocyanates by phosgenating diamine suspensions
03/27/2014US20140088321 Process for producing aldehyde compounds
03/26/2014EP2711357A1 Method for manufacturing tolylene diisocyanate
03/26/2014CN103687847A Method for producing isocyanate compound
03/25/2014US8680323 Process for preparing isocyanates by thermal dissociation of carbamates
03/19/2014EP2708527A1 Aldehyde compound production method
03/19/2014CN103649044A Process for preparing polyisocyanates from biomass
03/19/2014CN103638688A Recycling method for phosgene in tail gas generated in calorescence reaction for synthesizing normal-butyl isocyanate
03/19/2014CN101932555B Process for the preparation of urethanes
03/19/2014CN101528678B Process for preparing isocyanates
03/13/2014US20140073811 Method for producing tolylene diisocyanate
03/12/2014CN103627024A Method for recycling waste polyurethane
03/12/2014CN103623767A Multichannel mixed reactor and method for synthesizing isocyanate by using same
03/05/2014CN103613515A Method for recycling phosgene during isocyanate production process
02/2014
02/26/2014CN102026965B Process for producing isocyanate
02/19/2014CN103596920A Process for preparing polyisocyanates
02/19/2014CN103588680A Composition for transfer and storage of N-substituted carbamic acid ester and isocyanate production method
02/12/2014CN103582623A Aldehyde compound production method
02/12/2014CN102239143B Method for producing isocyanates
02/05/2014EP2691364A1 Method for producing isocyanates
02/05/2014CN103553972A Method for the preparation of n-substituted carbamic acid ester and method for the preparation of isocyanate using the n-substituted carbamic acid ester
02/05/2014CN103553969A Preparation method of 4,4'-dicyclohexylmethane diisocyanate
02/04/2014CA2691661C System and process for production of toluene diisocyanate
01/2014
01/30/2014WO2013060809A3 Method for producing polyisocyanates, which are flocculation-stable in solvents, from (cyclo)aliphatic diisocyanates
01/29/2014CN101747232B Process for preparing isocyanate in gas phase
01/16/2014WO2014009342A1 Method for working up distillation residues from isocyanate production
01/15/2014EP2684867A1 Pentamethylene diisocyanate, method for producing pentamethylene diisocyanate, polyisocyanate composition, polyurethane resin, and polyurea resin
01/07/2014CA2721357C Process for producing isocyanates using diaryl carbonate
01/01/2014EP2679575A1 Process for producing carbonyl compounds
01/01/2014CN103492364A Method for manufacturing tolylene diisocyanate
12/2013
12/31/2013CA2606107C Process for the preparation of polyisocyanates of the diphenylmethane series
12/25/2013EP2676951A1 Stabilized isocyanate group-containing ethylene-based unsaturated compound
12/25/2013EP2676950A1 Stabilized isocyanate group-containing ethylene-based unsaturated compound
12/25/2013CN102026964B Process for producing isocyanate using diaryl carbonate
12/25/2013CN101205197B Method for manufacturing isocyanates in gaseous phase
12/19/2013US20130338330 Pentamethylenediisocyanate, method for producing pentamethylenediisocyanate, polyisocyanate composition, polyurethane resin, and polyurea resin
12/18/2013CN103450047A Preparation method of 1, 5-naphthalene diisocyanate
12/18/2013CN102070491B Method for preparing xylylene diisocyanate based on salification-phosgenation reaction
12/17/2013US8609887 Process for preparing polyisocyanates comprising biuret groups
12/11/2013EP2670732A2 Isocyanate manufacture
12/04/2013CN103420874A Synthesis method of key intermediate isocyanate of hypoglycemic medicine
11/2013
11/28/2013US20130317252 Stabilized isocyanate group-containing ethylenically unsaturated compound
11/28/2013US20130317248 Stabilized isocyanate group-containing ethylenically unsaturated compound
11/27/2013CN102553642B Catalyst and preparation method for sorafenib intermediate
11/20/2013EP2502904B1 Process for the production of polyisocyanates
11/20/2013CN101209983B Method for conditioning isocyanates
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