Patents for C07C 263 - Preparation of derivatives of isocyanic acid (3,065) |
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11/30/2011 | CN102260193A 一种利用分子蒸馏技术以氨基甲酸酯热分解制备异氰酸酯的方法及其反应装置 A use of molecular distillation technology to carbamate thermal decomposition method for the preparation of isocyanates and reaction apparatus |
11/24/2011 | US20110288230 Method for preparing polyhydroxy-urethanes |
11/23/2011 | EP2200976B1 Process for preparing isocyanates |
11/23/2011 | CN102257026A Method for producing colourless polyisocyanates |
11/23/2011 | CN102256698A Use of a piston reactor to implement a phosgenation process |
11/23/2011 | CN102249944A Compound containing staggered biphenyl center and preparation method thereof |
11/23/2011 | CN101623615B Sleeve distributed gas phase phosgenation reactor and method for synthesizing isocyanate |
11/22/2011 | US8063241 Process for the preparation of toluene-diisocyanate |
11/16/2011 | CN102245565A Method for producing isocyanates |
11/15/2011 | US8058382 Uretdione formation in solution |
11/15/2011 | CA2488071C Preparation of polyisocyanates containing uretdione groups |
11/10/2011 | WO2011138245A1 Method for producing isocyanates in the gas phase |
11/10/2011 | US20110275854 Process for the production of aliphatic isocyanates |
11/10/2011 | US20110275802 Method for modifying diisocyanates |
11/10/2011 | DE102010019342A1 Verfahren zur Herstellung von Isocyanaten in der Gasphase A process for the preparation of isocyanates in the gas phase |
11/09/2011 | CN102239143A Method for producing isocyanates |
11/09/2011 | CN102239142A Method for modifying diisocyanates |
11/09/2011 | CN101671273B Method for recycling phosgene in continuous production process of toluene di-isocyanate |
11/08/2011 | US8053595 Process for producing isocyanates |
10/27/2011 | WO2011130907A1 Preparation of isocyanate by interface phosgenation reaction |
10/27/2011 | WO2011130901A1 Jet reactor with dynamic spray nozzle and method for preparing isocyanates using the same |
10/27/2011 | US20110263892 Process for preparing an isocyanate |
10/27/2011 | US20110263797 Allophanate modified diphenylmethane diisocyanates, prepolymers thereof, and their use in the preparation of polyureas and polyurethanes |
10/26/2011 | CN202016963U Process unit for producing toluene diisocyanate with light solvent |
10/26/2011 | CN101671276B Method for recovering phosgene in continuous production process of toluene di-isocyanate |
10/26/2011 | CN101671274B Method for recycling phosgene in continuous production process of toluene di-isocyanate |
10/26/2011 | CN101421326B Process for preparing polyurethanes |
10/25/2011 | US8044235 (Meth) acryloyl group-containing aromatic isocyanate compound and production process thereof |
10/25/2011 | US8044166 Process for preparing pentamethylene 1,5-diisocyanate |
10/20/2011 | WO2011130032A1 Process for producing isocyanates |
10/20/2011 | US20110257428 Process for preparing isocyanates |
10/19/2011 | EP2377847A1 Process for producing isocyanates |
10/19/2011 | CN102224133A Apparatus, systems, and methods for purification of isocyanate mixtures |
10/19/2011 | CN102224132A Apparatus, systems, and methods for purification of isocyanate mixtures |
10/18/2011 | CA2360275C Novel stabilized activated derivatives of carbamic acid, their process of preparation and their use for the preparation of ureas |
10/13/2011 | WO2011125429A1 Method for producing carbamate compound, carbamate compound, and method for producing isocyanate compound using same |
10/13/2011 | US20110251425 Process for preparing aromatic isocyanates |
10/13/2011 | US20110251424 Low monomer 1 : 1 monoadducts of reactive olefinic compounds and diisocyanates using insertable inhibitors |
10/13/2011 | US20110251423 Method for producing colourless polyisocyanates |
10/12/2011 | EP2373616A1 Method for producing isocyanates |
10/12/2011 | EP2373615A1 Method for modifying diisocyanates |
10/05/2011 | EP2370400A1 Process for manufacturing isocyanates |
09/28/2011 | EP2367783A1 Method for producing an isocyanate |
09/28/2011 | EP2367624A1 Use of a piston reactor to implement a phosgenation process |
09/28/2011 | CN102203050A Method for making carbamates, ureas and isocyanates |
09/28/2011 | CN101084187B Method for the reduction of chlorine-containing components in organic isocyanates |
09/22/2011 | WO2011115849A1 Reduced transit static mixer configuration |
09/22/2011 | WO2011115848A1 Reactive static mixer |
09/22/2011 | WO2011113737A1 Method for producing isocyanates |
09/22/2011 | US20110230676 Process for preparing isocyanates |
09/15/2011 | US20110224456 Process for the simultaneous production of different mixtures of diisocyanate isomers of the diphenylmethane series |
09/15/2011 | US20110224395 Process for manufacturing isocyanates |
09/14/2011 | EP2364294A2 Method for producing isocyanates |
09/09/2011 | WO2011108473A1 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 |
09/07/2011 | EP2362867A2 Method for making carbamates, ureas and isocyanates |
09/07/2011 | CN1982292B Method for the purification of isocyanates |
09/01/2011 | WO2011104264A1 Method for producing isocyanates in the gas phase |
09/01/2011 | US20110213178 Process for preparing isocyanates |
09/01/2011 | US20110213177 Process for preparing isocyanates in the gas phase |
08/31/2011 | CN102171180A Process for the simultaneous production of different mixtures of diisocyanate isomers of the diphenylmethane series |
08/31/2011 | CN101274904B Preparation for 3, 4-dichloro phenyl isocyanate |
08/25/2011 | WO2010105768A8 Process for perparing aromatic carbamates |
08/25/2011 | US20110207961 Process for preparing isocyanates |
08/10/2011 | CN101061067B Improved color stability of isocyanates |
08/09/2011 | US7994361 Moderate-pressure gas phase phosgenation |
08/04/2011 | US20110190534 Method for decomposing and recovering isocyanate compound |
08/03/2011 | EP2351733A2 Method for making diisocyanates |
08/03/2011 | EP2349986A1 Method for producing isocyanates |
07/28/2011 | WO2011089098A1 Method for producing isocyanates by thermally splitting carbamates |
07/27/2011 | CN102134204A Preparation method of enclosed type poly-methyl poly-phenyl polyisocyanates capable of being unclosed at low temperature |
07/21/2011 | US20110178329 Process for preparing isocyanates by thermal dissociation of carbamates |
07/20/2011 | EP2344563A1 Method for producing colourless polyisocyanates |
07/14/2011 | US20110172458 Apparatus, Systems, and Methods for Purification of Isocyanate Mixtures |
07/13/2011 | EP2342176A2 Apparatus, systems, and methods for purification of isocyanate mixtures |
07/12/2011 | US7977504 Process for producing isocyanates and aromatic hydroxy compounds |
07/06/2011 | CN102119146A Method for inhibiting polymerization of ethylenically unsaturated carboxylic acid ester compound containing isocyanate group and method for producing ethylenically unsaturated carboxylic acid ester compound containing isocyanate group |
07/06/2011 | CN102119145A Method for producing aromatic isocyanates |
06/30/2011 | WO2011078000A1 Method for treatment of isocyanate residue, and method for treatment of carbonate |
06/30/2011 | US20110160476 N-Substituted Carbamic Acid Ester Production Method and Isocyanate Production Method Using the N-Substituted Carbamic Acid Ester |
06/29/2011 | EP2337777A2 Apparatus, systems, and methods for purification of isocyanate mixtures |
06/29/2011 | EP2337776A2 Process for the simultaneous production of different mixtures of diisocyanate isomers of the diphenylmethane series |
06/23/2011 | WO2011072903A1 Compounds made of (cyclo)aliphatic diisocyanates and aromatic acid halides |
06/22/2011 | CN1821213B Process for the preparation of di- and polyamines of the diphenylmethane series |
06/22/2011 | CN102105439A Process for the preparation of N-substituted carbamic acid ester and process for the preparation of isocyanate using the N-substituted carbamic acid ester |
06/21/2011 | US7964695 Chain extenders |
06/16/2011 | US20110144381 Method for purifying a chlorine supply |
06/15/2011 | CN102099327A Preparation of carbamates with solid catalysts |
06/15/2011 | CN102093259A Method for preparing 4,4'-dicyclohexyl methane diisocyanate |
06/09/2011 | WO2011067369A1 Method for producing isocyanates |
06/09/2011 | WO2011067242A1 Method for producing isocyanates by thermally splitting carbamates |
06/09/2011 | US20110133121 N-Substituted Carbamic Acid Ester Production Method, Isocyanate Production Method Using Such N-Substituted Carbamic Acid Ester, And Composition For Transfer And Storage Of N-Substituted Carbamic Acid Ester Comprising N-Substituted Carbamic Acid Ester and Aromatic Hydroxy Compound |
06/08/2011 | EP1976825B1 Method for producing isocyanates |
06/08/2011 | EP1893563B1 Production of n-aryl carbamates and n-aryl isocyanates |
06/08/2011 | CN102086162A Method for preparing methylcyclohexyl diisocyanate |
06/08/2011 | CN101475680B Method for synthesizing hexamethylene diisocyanate (HDI) biuret |
06/01/2011 | CN101142173B Process for production of polyisocyanate and equipment for production thereof |
05/26/2011 | WO2011036062A3 Method for producing isocyanates |
05/26/2011 | US20110124908 Process for preparing isocyanates |
05/26/2011 | US20110124907 Jet reactor with flow ducts and process for preparing isocyanates using it |
05/26/2011 | US20110124902 Preparation of carbamates with solid catalysts |