Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 263 - Preparation of derivatives of isocyanic acid
Patents for C07C 263 - Preparation of derivatives of isocyanic acid (3,065)
10/2012
10/23/2012US8293937 Process for producing low-monomer-content organic polyisocyanates
10/17/2012EP2511259A1 Method for making isocyanates
10/17/2012EP2511258A1 Method for making isocyanates
10/17/2012CN101774949B Method for refining crude toluene diisocynate
10/17/2012CN101774948B Method for continuously preparing toluene diisocynate
10/16/2012US8288584 Process for preparing isocyanates
10/10/2012EP2507206A1 Method for producing isocyanates
10/10/2012EP2507205A1 Method for producing isocyanates by thermally splitting carbamates
10/10/2012CN102718683A Method for preparing low-chromatic number isocyanate and isocyanate prepared by same
10/04/2012WO2012130788A1 Method for producing isocyanates
10/04/2012US20120253063 Process for preparing isocyanates
10/04/2012US20120251435 Process for preparing isocyanates
10/03/2012CN102712580A Method for producing isocyanates by thermally splitting carbamates
10/03/2012CN102712579A Method for producing isocyanates by thermally splitting carbamates
10/03/2012CN102702028A Method for synthesizing methacryloxyethyl isocyanate
09/2012
09/27/2012US20120245377 Process for preparing isocyanates by thermally cleaving carbamates
09/26/2012EP2502904A1 Process for the production of polyisocyanates
09/26/2012CN101817763B Method for preparing dimethylphenyl isocyanate
09/25/2012US8273915 Process for preparing isocyanates
09/19/2012CN102675154A Separation and purification device and method for preparing methylene diphenyl diisocyanate (MDI) complex product by utilizing pyrolysis of carbamate
09/13/2012WO2012121291A1 Pentamethylene diisocyanate, method for producing pentamethylene diisocyanate, polyisocyanate composition, polyurethane resin, and polyurea resin
09/13/2012US20120232307 Two-stage process for cost-efective deposition of homogeneous catalysts in mda synthesis
09/12/2012CN102666479A Method for producing isocyanates
09/12/2012CN102666478A Method for the combined production of diisocyanates and/or polyisocyanates and glycols
09/12/2012CN102659632A Preparation method of aminonorbornane isocyanate
09/12/2012CN102659631A One-step synthesis of ethyl isocyanate
09/05/2012EP2493850A1 Method for the combined production of diisocyanates and/or polyisocyanates and glycols
09/05/2012CN1896052B Process for the preparation of isocyanates
09/05/2012CN102653517A Method for preparing isocyanate from carbamate
09/04/2012US8258337 Method for producing isocyanates
08/2012
08/30/2012WO2012115110A1 Process for producing carbonyl compounds
08/30/2012CA2807548A1 Method for producing carbonyl compound
08/29/2012EP2491011A1 Method for producing urethanes
08/29/2012CN102652124A Method for treatment of isocyanate residue, and method for treatment of carbonate
08/28/2012CA2675114C Process for producing isocyanates
08/23/2012WO2012111750A1 Catalyst for isocyanate compound production and method for producing isocyanate compound using same
08/23/2012WO2012111446A1 Stabilized isocyanate group-containing ethylene-based unsaturated compound
08/23/2012WO2012111445A1 Stabilized isocyanate group-containing ethylene-based unsaturated compound
08/22/2012CN101070292B Method for the coupled production of chlorine and isocyanates
08/16/2012WO2012108453A1 Process for producing isocyanate compound
08/16/2012US20120209024 Process for coproducing di- and/or polyisocyanates and glycols
08/15/2012EP2486975A1 Fast mixing reactor and use thereof
08/15/2012EP2111392B1 Method for producing isocyanates
08/09/2012WO2012106588A2 Isocyanate manufacture
08/09/2012WO2012027162A3 Generation of mixed diisocyanates by phosgenation of soy based methyl amino esters
08/09/2012US20120203022 Method for producing urethanes
08/09/2012US20120202961 Isocyanate manufacture
08/08/2012CN102627582A Method for synthesizing HDI
08/02/2012US20120197038 Process for preparing isocyanates
08/01/2012EP2480525A2 Method for producing isocyanates
08/01/2012CN102617401A Synthesis method for co-producing p-chloroaniline and p-chlorophenol isocyanate
07/2012
07/31/2012US8232421 Bifunctional phenyl ISO (THIO) cyanates, processes and intermediates for their preparation
07/19/2012US20120184704 Method for manufacturing an isocyanate-terminated prepolymer, prepolymer obtained thereby, and polyurethane resin
07/18/2012CN102596900A Method for producing urethanes
07/18/2012CN102584630A Method for synthesizing methacrylic acid isocyanate ethyl ester
07/12/2012US20120178942 Enantio- and stereo-specific syntheses of beta-amino-alpha- hydroxy amides
07/11/2012CN102553642A Catalyst and preparation method for sorafenib intermediate
07/11/2012CN101735110B Method for preparing organic isocyanate by using injection circulation reactor
07/05/2012WO2012088671A1 Fast mixing reactor and use thereof
07/05/2012US20120172621 Process for preparing isocyanates
07/05/2012US20120172620 Process for preparing light-coloured isocyanates of the diphenylmethane series
07/04/2012EP1926707B1 Process for the preparation of isocyanates
07/04/2012CN102548959A Production method for an alkyl isocyanate
07/04/2012CN102527312A Fast mixing reactor and application thereof
07/04/2012CN101531618B Method for preparing isocyanate
07/03/2012US8212069 Process for preparing isocyanates
06/2012
06/27/2012EP2468387A1 Gas treatment apparatus, particularly for polyisocyanate production system.
06/27/2012CN102516126A Preparation method of alkyl substitution diphenylmethane diisocyanate
06/27/2012CN102516125A Preparation method of alkyl substitution diphenylmethane diisocyanate
06/26/2012US8206652 Jet reactor with flow ducts and process for preparing isocyanates using it
06/21/2012US20120157709 Process for preparation and preferably distillative workup of diphenylmethane diisocyanate (mdi)
06/20/2012EP2464625A2 Method for producing diisocyanates by gas-phase phosgenation
06/13/2012EP2463273A1 Method for separating toluene diisocyanate from the post-reaction mixture in the toluene diamine phosgenation process in the gas phase
06/13/2012EP2463272A1 A method of producing toluene diisocyanate (TDI) in the process of the toluene diamine (TDA) phosgenation reaction in the gaseous phase
06/13/2012EP2463271A1 A method for producing toluene diisocyanate (TDI) by means of toluene diamine (TDA) phosgenation reaction in the gaseous phase and a device for obtaining toluene diisocyanate (TDI) by means of toluene diamine (TDA) phosgenation reaction in the gaseous phase
06/13/2012EP2463270A1 A method for separating reaction products after toluene diamine (TDA) phosgenation in the gaseous phase during production of toluene diisocyanate (TDI)
06/13/2012EP2462109A1 Method for producing isocyanates
06/13/2012CN102498093A Method for producing isocyanates
06/13/2012CN102498092A Method for producing isocyanates in the gas phase
06/13/2012CN101258127B Method for producing isocyanates
06/13/2012CN101100447B Process for the continuous preparation of isocyanates
06/13/2012CN101007770B Method for processing diamine and polyamines of diphenylmethane series
06/07/2012US20120142960 Method for purifying mixtures comprising 4,4'-methylenediphenyl diisocyanate
06/07/2012US20120142959 Method for producing diisocyanates by gas-phase phosgenation
06/07/2012US20120142870 Isocyanate- and Aldimine Group- Carrying Compounds with a Low Isocyanate Monomer Content
06/06/2012EP2307356B1 Method for producing isocyanates
06/06/2012CN101489996B Method for producing isocyanates
06/05/2012US8193385 Method for producing isocyanates
05/2012
05/30/2012CN102482205A 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
05/30/2012CN101612547B Column tube type impinging stream reactor and operating system for producing toluene diisocynate
05/24/2012WO2012066001A1 Process for purifying mixtures comprising 4,4'-methylene diphenyl diisocyanate
05/24/2012WO2012065995A1 Process for purifying mixtures comprising 4,4'-methylene diphenyl diisocyanate
05/24/2012WO2012065927A1 Process for preparing methylene diphenyl diisocyanate
05/23/2012EP2454232A1 Method for producing isocyanates in the gaseous phase
05/23/2012EP2454231A2 Process for preparing light-coloured isocyanates of the diphenylmethane series
05/23/2012EP2454193A1 Process for the preparation of light-colored isocyanates of the diphenylmethanediisocyanate series
05/23/2012CN102471244A 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 est
05/23/2012CN102471243A 通过气相光气化制备二异氰酸酯的方法 Method phosgenation diisocyanate by gas
05/23/2012CN102471242A 气相制备异氰酸酯的方法 Gas phase production of isocyanates method
05/23/2012CN102471241A 制备二苯甲烷系列的浅色异氰酸酯的方法 The method for preparing the diphenylmethane series light isocyanate
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