Patents
Patents for C07C 263 - Preparation of derivatives of isocyanic acid (3,065)
11/2013
11/14/2013US20130303740 Method for producing urethanes
11/13/2013CN103391813A Catalyst for isocyanate compound production and method for producing isocyanate compound using same
11/06/2013CN103382182A Phenylurea coupling quinazoline compound, and preparation method, pharmaceutical composition and pharmaceutical use thereof
11/06/2013CN103382167A Device for refining hexamethylene diisocyanate and method thereof
11/06/2013CN102702028B Method for synthesizing methacryloxyethyl isocyanate
11/06/2013CN102675154B Separation and purification device and method for preparing methylene diphenyl diisocyanate (MDI) complex product by utilizing pyrolysis of carbamate
11/06/2013CN102260193B Method and reaction device for preparing isocyanate through thermal decomposition of carbamate by molecular distillation technology
10/2013
10/30/2013CN103380106A Stabilized isocyanate group-containing ethylene-based unsaturated compound
10/30/2013CN101302174B Method for producing isocyanate
10/29/2013CA2705874C Process for producing isocyanates and aromatic hydroxy compounds from aromatic polycarbonate resins
10/23/2013CN103370303A Stabilized isocyanate group-containing ethylene-based unsaturated compound
10/23/2013CN103360282A Device and method for continuously preparing hexamethylene diisocyanate
10/23/2013CN103357363A Photochemical kettle for refluxing phosgene at bottom and method for preparing hexamethylene diisocyanate
10/22/2013US8563768 Process for the preparation of isocyanates
10/22/2013US8563767 Method for producing isocyanates in the gas phase
10/16/2013CN103351313A Preparation process for xylylene diisocyanate
10/16/2013CN103351312A Preparation process for 1,4-phenylene diisocyanate
10/16/2013CN102249944B Compound containing staggered biphenyl center and preparation method thereof
10/15/2013US8558026 Method for producing isocyanates
10/10/2013WO2013151139A1 Method for producing 1,5-pentamethylenediamine, method for producing 1,5-pentamethylenediisocyanate, method for producing polyisocyanate composition, and method for storing catalyst cell
10/09/2013CN103347852A Pentamethylene diisocyanate, method for producing pentamethylene diisocyanate, polyisocyanate composition, polyurethane resin, and polyurea resin
10/09/2013CN103347851A Process for producing isocyanate compound
10/08/2013US8552217 Isocyanate manufacture
10/02/2013CN103339106A Process for purifying mixtures comprising 4,4'-methylene diphenyl diisocyanate
10/02/2013CN103339105A Method for producing isocyanates
10/01/2013US8546606 Reacting primary amines with phosgene in a tube reactor; high selectivity and a high space-time yield, so that the process can be designed in a compact fashion, prevent blockages
09/2013
09/26/2013WO2013139703A1 Method for producing isocyanates
09/25/2013EP2641896A1 Separation method
09/25/2013EP2640696A1 Process for purifying mixtures comprising 4,4'-methylene diphenyl diisocyanate
09/25/2013EP2640695A1 Process for purifying mixtures comprising 4,4'-methylene diphenyl diisocyanate
09/25/2013EP2640694A1 Process for preparing methylene diphenyl diisocyanate
09/25/2013CN203209050U Reaction and separation integrated cracker
09/25/2013CN103319372A Method for producing light colored dicyclohexyl methane diisocyanate
09/19/2013US20130245314 Process for the production of aliphatic isocyanates
09/18/2013CN103313967A Process for purifying mixtures comprising 4,4'-methylene diphenyl diisocyanate
09/18/2013CN101440046B Preparation of tint isocyanate
09/17/2013US8536370 Low chlorine, multi-staged method for producing cycloaliphatic disocyanates
09/11/2013CN103298781A Process for preparing methylene diphenyl diisocyanate
09/11/2013CN102224132B Apparatus, systems, and methods for purification of isocyanate mixtures
09/11/2013CN101805271B Alicyclic diisocyanate and preparation method and purposes thereof
09/11/2013CN101805270B Aliphatic diisocyanate and preparation method and purposes thereof
09/11/2013CN101679222B System and process for production of toluene diisocyanate
09/10/2013US8530693 Liquid cyanate esters
09/04/2013CN103274966A Method for preparing 1, 5-Naphthalene diisocyanate by solid state phosgenation method
09/04/2013CN102527312B Fast mixing reactor and application thereof
08/2013
08/28/2013CN101805272B Method for preparing isocyanate by interface phosgenation reaction
08/27/2013US8519190 Concentrating method, treating method, concentrating system and treating system for polyisocyanate residues
08/27/2013US8519179 Method of measuring entry of water into phosgene-conducting plants
08/21/2013EP2627629A1 Method for producing isocyanates
08/20/2013US8513453 Process for preparing aromatic carbamates
08/15/2013US20130211034 Method For Making Over-Indexed Thermoplastic Polyurethane Elastomer Precursor And Thermoplastic Polyurethane Elastomer Made From The Precursor
08/15/2013US20130209729 Generation of mixed diisocyanates by phosgenation of soy based methyl amino esters
08/14/2013EP2626345A1 Separation method and method for producing isocyanate
08/14/2013CN103242199A Method for preparing dimer fatty acid diisocyanate by using dimer fatty acid diamine
08/14/2013CN101589022B Method for producing isocyanate
08/13/2013CA2509861C Improved process for the production of carbodiimide modified organic isocyanates
08/07/2013EP2621620A1 Reactive flow static mixer with cross-flow obstructions
08/07/2013CN103237787A Generation of mixed diisocyanates by phosgenation of soy based methyl amino esters
08/01/2013WO2013111353A1 Separation method
07/2013
07/31/2013EP2619176A1 Process for the production of methylene diphenyl diisocyanate isomer mixtures with specific isomer distributions and new products derived therefrom
07/25/2013WO2013108860A1 Production method for 1,5-pentamethylenediamine, production method for 1,5-pentamethylene diisocyanate, and production method for polyisocyanate composition
07/25/2013WO2013108859A1 Production method for 1,5-pentamethylenediamine, production method for mutant lysine decarboxylase and 1,5-pentamethylene diisocyanate, and production method for polyisocyanate composition
07/24/2013CN103214397A Method for continuously preparing 1,5-naphthalene diisocyanate
07/24/2013CN101790510B Method for the production of isocyanates
07/23/2013US8492580 Process for preparing isocyanates
07/23/2013CA2707336C 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
07/18/2013WO2012163894A3 Process for preparing polyisocyanates
07/18/2013US20130184488 Separation Method and Method for Producing Isocyanate
07/17/2013CN101374802B Method for producing isocyanates
07/17/2013CN101263109B Process for the preparation of isocyanates
07/17/2013CN101238096B Method for producing diisocyanates
07/16/2013US8487127 Process for preparing isocyanates in the gas phase
07/11/2013US20130178645 Method for Producing Carbonyl Compund
07/11/2013US20130178596 High-speed mixing reactor and application thereof
07/10/2013CN103201035A Method for producing urethanes
07/10/2013CN103193675A Method for preparing ethyl methacrylate isocyanate
07/10/2013CN101801920B Process for preparing isocyanates
07/10/2013CN101622226B Method for producing isocyanates
07/10/2013CN101535242B Method for producing isocyanates
07/10/2013CN101024616B Method for manufacturing aniline
07/04/2013US20130172604 Process for the production of methylene diphenyl diisocyanate isomer mixtures with specific isomer distributions and new products derived
07/03/2013EP2609074A2 Generation of mixed diisocyanates by phosgenation of soy based methyl amino esters
06/2013
06/26/2013CN103180292A Process for the production of methylene diphenyl diisocyanate isomer mixtures with specific isomer distributions and new products derived therefrom
06/20/2013WO2013089381A1 Method for preparing aliphatic diisocyanate
06/20/2013US20130158291 Process for preparing polyurethane prepolymers containing isocyanate groups
06/19/2013EP2603319A1 Method for producing urethanes
06/19/2013CN101850232B First tower for removing orthodichlorobenzene
06/19/2013CN101663234B Condensation-adsorption process for removing organic components from a gaseous stream containing hydrogen chloride
06/19/2013CN101583594B Method for the production of isocyanates
06/19/2013CN101356153B Method for producing liquid, storage-stable organic isocyanates comprising carbodiimide and/or uretonimine groups
06/19/2013CN101085750B Process for the production of the toluene diisocyanate
06/12/2013CN103145586A Synthetic method of isophorone diisocyanate
06/06/2013WO2013081873A1 Process for the production of methylene diphenyl diisocyanate isomer mixtures with high 2,4'- methylene diphenyl diisocyanate purity
06/06/2013WO2013079517A1 Method for the production of isocyanates by means of phosgenation of the respective amines in the gaseous phase
06/06/2013WO2013079514A1 Sulphur-free transition metal-isocyanate-based ionic liquids
06/06/2013US20130144081 Process for the preparation of isocyanates
06/06/2013DE102011087654A1 Verfahren zur Herstellung von Isocyanaten A process for the preparation of isocyanates
06/05/2013EP2599770A1 Method for producing isocyanates
06/05/2013CN103140473A Separation method and method for producing isocyanate
06/05/2013CN103140280A Reactive flow static mixer with cross-flow obstructions
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