| Patents for C07C 263 - Preparation of derivatives of isocyanic acid (3,065) |
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| 05/23/2012 | CN102471071A 制备二苯基甲烷二异氰酸酯系列的浅色异氰酸酯的方法 The method of preparation of diphenylmethane diisocyanate series light isocyanate |
| 05/23/2012 | CN101429140B Process for producing water-soluble closed isocyanic ester monomer |
| 05/22/2012 | CA2475662C Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4'-methylenediphenyl diisocyanate and 2,4'-methylenediphenyl diisocyanate |
| 05/17/2012 | US20120123152 Process for the preparation of isocyanates |
| 05/17/2012 | US20120123151 Process for preparing methylenedi(phenyl isocyanate) |
| 05/16/2012 | EP2451775A1 Method for producing isocyanates |
| 05/16/2012 | EP2451774A1 Method for producing isocyanates in the gas phase |
| 05/09/2012 | CN101386585B Method for preparing diisocyanate by heat decomposition |
| 05/08/2012 | US8173833 Method for the production of isocyanates |
| 05/08/2012 | CA2485396C Process for preparing isocyanates in the gas phase |
| 05/03/2012 | US20120108845 Process for the preparation of isocyanates in the gas phase |
| 05/03/2012 | US20120108844 Method of measuring entry of water into phosgene-conducting plants |
| 05/03/2012 | US20120108843 Process for the preparation of light-colored iocyanates of a diphenylmethanediisocyanate series |
| 05/02/2012 | EP2446247A1 Method for sensing water ingress in phosgene-conducting systems |
| 05/02/2012 | EP2445869A2 Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation |
| 05/01/2012 | US8168818 Method for producing isocyanates |
| 04/26/2012 | US20120101299 Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation |
| 04/19/2012 | WO2012050858A1 Reactive flow static mixer with cross-flow obstructions |
| 04/19/2012 | WO2012049158A1 Method for producing isocyanates |
| 04/19/2012 | US20120095255 Process for preparing isocyanates |
| 04/18/2012 | CN101273010B 纯化含有异氰酸酯的残余物的方法 The residue was purified by the method comprising the isocyanate |
| 04/18/2012 | CN101151242B 多异氰酸酯连续制造装置 Polyisocyanate continuous manufacturing apparatus |
| 04/17/2012 | US8158818 Process for preparing isocyanatoorganosilanes |
| 04/12/2012 | WO2012046734A1 Separation method and method for producing isocyanate |
| 04/12/2012 | CA2806533A1 Separation method and method for producing isocyanate |
| 04/11/2012 | EP2439191A1 Method for producing n-substituted carbamic acid ester, method for producing isocyanate using n-substituted carbamic acid ester, and composition for transferring and storing n-substituted carbamic acid ester containing n-substituted carbamic acid ester and aromatic hydroxy compound |
| 04/11/2012 | CN102408354A 一种回收甲苯二异氰酸酯的方法及装置 Method and apparatus for the recovery of tolylene diisocyanate |
| 04/10/2012 | US8153838 Process for producing isocyanates |
| 04/04/2012 | CN102399170A 一种(取代)芳氨基甲酸酯热分解制备(取代)芳基单异氰酸酯的方法 One kind of (substituted) aryl carbamate thermal decomposition of the preparation of (substituted) aryl monoisocyanate method |
| 03/29/2012 | WO2012040187A1 Process for the production of methylene diphenyl diisocyanate isomer mixtures with specific isomer distributions and new products derived therefrom |
| 03/21/2012 | EP2323973B1 Method for producing aromatic isocyanates |
| 03/07/2012 | EP1867632B1 Apparatus for continuously producing polyisocyanate |
| 03/07/2012 | CN202157036U 一种双机械密封泵组的机封液系统 A dual mechanical seal pump mechanical seal fluid system |
| 03/07/2012 | CN102369183A One-pot production of carbamates using solid catalysts |
| 03/07/2012 | CN102369182A Method for producing isocyanates |
| 03/06/2012 | CA2682512C Isocyanate production process using composition containing carbamic acid ester and aromatic hydroxy compound, and composition for transfer and storage of carbamic acid ester |
| 03/01/2012 | WO2012027162A2 Generation of mixed diisocyanates by phosgenation of soy based methyl amino esters |
| 03/01/2012 | CA2809808A1 Generation of mixed diisocyanates by phosgenation of soy based methyl amino esters |
| 02/29/2012 | EP2423184A1 Process for the simultaneous production of different mixtures of diisocyanate isomers of the diphenylmethane series |
| 02/29/2012 | EP2423183A1 Process for the simultaneous production of different mixtures of diisocyanate isomers of the diphenylmethane series |
| 02/29/2012 | EP2421818A1 Method for producing color-stable mda and mdi |
| 02/22/2012 | CN102361852A Method and device for producing isocyanates |
| 02/22/2012 | CN101811990B 聚异氰酸酯制造装置 Polyisocyanate producing means |
| 02/21/2012 | US8119831 Moisture activated latent curing adhesive or sealant |
| 02/16/2012 | WO2012020028A1 Method for producing urethanes |
| 02/16/2012 | US20120041223 Process for preparing aromatic carbamates |
| 02/15/2012 | EP2417100A2 Method for producing isocyanates |
| 02/15/2012 | CN102356062A Process for perparing aromatic carbamates |
| 02/15/2012 | CN102351738A Method for the reduction of chlorine-containing components in organic isocyanates |
| 02/09/2012 | US20120035391 Process for the preparation of polyisocyanates and use thereof |
| 02/08/2012 | EP2415795A1 Method for manufacturing polyisocyanates and their application |
| 02/08/2012 | CN102348679A Urethane compound and process for production thereof, and isocyanate and process for production thereof |
| 02/07/2012 | CA2490050C Process for the preparation of diisocyanates |
| 02/01/2012 | EP2412703A1 Urethane compound and process for production thereof, and isocyanate and process for production thereof |
| 02/01/2012 | CN202131251U 制备甲苯二异氰酸酯的混合式反应器 Preparation of hybrid reactor tolylene diisocyanate |
| 02/01/2012 | CN102341369A Method and device for producing isocyanates |
| 02/01/2012 | CN101563387B 多亚苯基多亚甲基多异氰酸酯及其在制备聚氨酯泡沫中的用途 Poly-polyphenyl polymethylene polyisocyanates and their use in the preparation of polyurethane foam |
| 01/25/2012 | EP2408738A2 Method and device for producing isocyanates |
| 01/25/2012 | EP2408737A1 Process for perparing aromatic carbamates |
| 01/24/2012 | CA2669650C A process for producing isocyanates |
| 01/19/2012 | US20120016154 Process for preparing isocyanates |
| 01/18/2012 | EP2407449A1 One-pot production of carbamates using solid catalysts |
| 01/18/2012 | CN101811019B Dynamic hole jet reactor and method for preparing isocyanate by adopting dynamic hole jet reactor |
| 01/18/2012 | CN101578314B Polyurethane rigid foams |
| 01/17/2012 | US8097751 Process for preparing polyisocyanates by the adiabatic phosgenation of primary amines |
| 01/12/2012 | WO2012005059A1 Method of producing toluene dicarbamate, method of producing toluene diisocyanate, and toluene dicarbamate |
| 01/12/2012 | US20120010427 Urethane compound and method for producing the same, and isocyanate and method for producing the same |
| 01/11/2012 | EP2403826A1 Method and device for producing isocyanates |
| 01/11/2012 | CN1966489B Method for producing 4,4'-methylene (diphenyldiisocyanate) |
| 01/11/2012 | CN102317255A Process for manufacturing isocyanates |
| 01/11/2012 | CN102317254A Method for producing isocyanates |
| 01/11/2012 | CN101811017B Stirring and grinding reactor and method for preparing isocyanate with same |
| 01/11/2012 | CN101553517B Process for preparing modified polyisocyanate |
| 01/11/2012 | CN101184727B Process for the preparation of polyisocyanates of the diphenylmethane series |
| 01/11/2012 | CN101003495B Method for producing light-coloured isocyanates |
| 01/05/2012 | US20120004446 Process and apparatus for preparing isocyanates |
| 01/05/2012 | US20120004445 Process for preparing isocyanates |
| 01/04/2012 | EP1342713B1 Method for producing a dinitronaphthalene-isomer mixture having an increased 1,5-dinitronaphthalene proportion |
| 01/03/2012 | US8088944 Method for the purification of isocyanates |
| 12/29/2011 | WO2011161029A1 Heterogeneously catalysed carbamate dissociation for synthesis of isocyanates over solid lewis acids |
| 12/28/2011 | EP2398767A1 Process for crystallizing and separating different diisocyanate isomers |
| 12/28/2011 | EP1506165B1 Tetralin isocyanates |
| 12/28/2011 | CN101708438B 一种混合器及制备有机异氰酸酯的方法 Organic isocyanates and a process for the preparation of a mixer |
| 12/28/2011 | CN101671277B 一种甲苯二异氰酸酯连续生产中热集成的溶剂回收方法 Toluene diisocyanate in the continuous production of heat integration of the solvent recovery method |
| 12/28/2011 | CN101429138B 一种在气相中制备异氰酸酯的方法 A process for preparing isocyanates in the gas phase |
| 12/28/2011 | CN101370767B 同时制备4,4'-二苯基甲烷二胺、二苯基甲烷二异氰酸酯、多亚苯基多亚甲基多异氰酸酯的方法 Simultaneous preparation of 4,4'-diphenylmethane diamine, diphenylmethane diisocyanate, polymethylene polyphenyl polymethylene polyisocyanates of |
| 12/22/2011 | WO2011158598A1 Carbamate production method, isocyanate production method, carbamate production device and isocyanate production device |
| 12/22/2011 | WO2011006807A3 Process for preparing light-coloured isocyanates of the diphenylmethane series |
| 12/22/2011 | US20110313192 Heterogeneously catalyzed carbamate dissociation for synthesis of isocyanates over solid lewis acids |
| 12/21/2011 | CN1939899B 一种1，5-萘二异氰酸酯的合成方法 A method of synthesis of 1,5-naphthalene diisocyanate |
| 12/15/2011 | US20110306786 Use of a piston reactor to implement a phosgenation process |
| 12/14/2011 | CN102282127A 制备异氰酸酯的方法 Isocyanates prepared |
| 12/14/2011 | CN102276501A 一种由芳(烷)基氨基甲酸酯催化分解制备异氰酸酯的方法 A decomposition of aryl (alkyl) carbamate catalytic method for preparing an isocyanate |
| 12/14/2011 | CN101735111B 反式-1,4-环己烷二异氰酸酯的合成方法 Synthesis of trans-1,4-cyclohexane diisocyanate method of |
| 12/14/2011 | CN101203488B 异氰酸酯的制造方法、由该方法得到的异氰酸酯及其用途 Method for producing isocyanates, obtained by the method of the isocyanate and its use |
| 12/08/2011 | US20110301380 Process and apparatus for preparing isocyanates |
| 12/07/2011 | CN102272095A 制备异氰酸酯的方法 Isocyanates prepared |
| 12/07/2011 | CN101367935B 一种烷基二苯醚型氰酸酯树脂及其制备方法和应用 An alkyl ether type cyanate resin and its preparation method and application |
| 11/30/2011 | EP2390245A1 Enantiomerically pure amines |
| 11/30/2011 | CN102260194A 生产二异氰酸酯的方法 Production method of a diisocyanate |