| Patents for C07C 263 - Preparation of derivatives of isocyanic acid (3,065) |
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| 11/19/2009 | CA2721357A1 Process for producing isocyanates using diaryl carbonate |
| 11/18/2009 | CN101583594A Method for the production of isocyanates |
| 11/12/2009 | US20090281350 Method for producing isocyanates |
| 11/12/2009 | US20090277356 Cure Accelerators for Anaerobic Curable Compositions |
| 11/11/2009 | CN101578314A Polyurethane rigid foams |
| 11/10/2009 | US7615662 Process for the preparation of isocyanates in the gas phase |
| 11/05/2009 | US20090275776 Process and equipment for the decomposition and recovery of isocyanate compounds |
| 11/05/2009 | US20090275775 Method for producing isocyanates |
| 11/05/2009 | US20090275771 Process for the preparation of urethanes |
| 10/29/2009 | WO2009131546A1 Polyisocyanurates |
| 10/28/2009 | EP2111423A1 Polyurethane rigid foams |
| 10/28/2009 | EP2111392A1 Method for producing isocyanates |
| 10/28/2009 | EP2024278B1 Method for the coupled production of chlorine and isocyanates |
| 10/28/2009 | CN101568519A Process for preparing isocyanates |
| 10/28/2009 | CN100554248C Method for using a carbamoyl fluoride as fluorinating agent |
| 10/22/2009 | WO2009127591A2 Method for treating residues from the production of isocyanates |
| 10/21/2009 | CN101563387A Polyphenylenepolymethylene polyisocyanate and its use for producing polyurethane foams |
| 10/08/2009 | WO2009121881A1 Method for brightening polyisocyanates using ozone-containing gas |
| 10/07/2009 | EP1440054B1 Improved method for producing isocyanates |
| 09/30/2009 | EP1601456B1 Method for producing polyisocyanates |
| 09/29/2009 | US7595422 adding P4S10 to diisocyanate monomers useful for reuse, which contain trialkylphosphine oxides and optionally trialkyldihalophosphoranes, allowing P4H10 to react with the trialkylphosphine oxides and the trialkyldihalophosphoranes, forming a proportional amount of trialkylphosphine sulfide; removal |
| 09/24/2009 | US20090240077 Process for producing diamines and polyamines of the diphenylmethane series |
| 09/24/2009 | US20090240076 Process for preparing methylenediphenyl diisocyanates |
| 09/24/2009 | DE102008015123A1 Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe Process for the preparation of di- and polyamines of the diphenylmethane |
| 09/23/2009 | EP2103595A1 Method for producing di and polyamines of diphenylmethane series |
| 09/23/2009 | CN101538204A Method for producing di and polyamines of diphenylmethane series |
| 09/22/2009 | US7592479 Isocyanates are prepared by reacting primary amines with phosgene in a reactor by a process in which a reaction discharge is present in the form of a suspension containing isocyanate to be prepared, as a liquid, and carbamyl chlorides as a solid, and the suspension is worked up in a film evaporator |
| 09/16/2009 | CN101535242A Method for producing isocyanates |
| 09/16/2009 | CN101531619A Device for preparing isocyanate by pyrolyzing aminoalkyl esters |
| 09/16/2009 | CN101531618A Method for preparing isocyanate |
| 09/16/2009 | CN101530785A Composite catalyst for preparing isocyanate by pyrolyzing aminoalkyl esters |
| 09/16/2009 | CN100540531C Method for the production of isocyanates |
| 09/09/2009 | EP1575905B1 Method for separating isocyanates out from a reaction mixture |
| 09/09/2009 | CN101528678A Process for preparing isocyanates |
| 09/09/2009 | CN100538336C Method and device for determining the isomer composition in isocyanate production processes |
| 09/09/2009 | CN100537526C Polyisocyanates with biuret structure, blocked with secondary amines |
| 09/08/2009 | US7584629 a partial or complete condensation of phosgene, distillation or stripping in a column to remove the hydrogen chloride from the bottom product phosgene, scrub of the top product hydrogen chloride by a process solvent to absorb phosgene in process solvent; with an amine phosgene forms isocyanate |
| 09/03/2009 | WO2009107655A1 Method for producing polyisocyanate |
| 09/03/2009 | US20090221846 Method for producing isocyanates |
| 09/03/2009 | DE102008012037A1 Verfahren zur Herstellung von Methylen-diphenyl-diisocyanaten Diisocyanates, methylene-diphenyl-process for the preparation of |
| 09/02/2009 | EP2096102A1 Method for creating methylene-diphenyl-diisocyanates |
| 09/02/2009 | CN101519366A Process for preparing methylenediphenyl diisocyanates |
| 09/02/2009 | CN100535028C Process for the preparation of polymers |
| 08/27/2009 | US20090216042 Concentrating method, treating method, concentrating system and treating system for polyisocyanate residues |
| 08/27/2009 | DE102008009761A1 Verfahren zur Herstellung von Isocyanaten A process for the preparation of isocyanates |
| 08/27/2009 | CA2656325A1 Prepolymers |
| 08/26/2009 | EP2093215A1 Method for making isocyanates |
| 08/26/2009 | EP2091992A1 Polyphenylenepolymethylene polyisocyanate and its use for producing polyurethane foams |
| 08/26/2009 | EP2091912A1 Method for the production of isocyanates |
| 08/26/2009 | EP2091911A1 Process for the continuous preparation of (cyclo)aliphatic diisocyanates |
| 08/26/2009 | CN101514172A Method for making isocyanates |
| 08/25/2009 | US7579066 Monomers incorporating polyurethane/polyurea functionality and free radical polymer functionality; forming salt of dihydroxyamine and mineral acid, esterifying with carboxylic acid having chlorine substitution, dehydrohalogenation vinylation and converting amine salt to isocyanate |
| 08/20/2009 | US20090209784 Process for the preparation of isocyanates |
| 08/19/2009 | EP2089357A1 Process for preparing isocyanates |
| 08/19/2009 | CN100528354C ZnO/SBA-15 composite nano-catalyst, preparation method and application thereof |
| 08/13/2009 | WO2009098327A1 Method for producing fluorinated carbamates and isocyanates with heterogeneous catalysts |
| 08/12/2009 | EP2088138A1 Process for producing isocyanate |
| 08/12/2009 | EP2088137A1 Method for producing isocyanate |
| 08/06/2009 | WO2009095164A1 Method for producing urethanes |
| 08/05/2009 | EP2084128A1 Process for preparing isocyanates |
| 08/05/2009 | CN100522933C Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series |
| 07/22/2009 | EP2079685A1 Method for producing isocyanates |
| 07/22/2009 | EP2079684A1 Method for producing isocyanates |
| 07/22/2009 | CN101489996A Method for producing isocyanates |
| 07/22/2009 | CN100516031C Organic multiple isocyanate composition |
| 07/15/2009 | CN100513389C Improved process for the production of carbodiimide modifiedorganic isocyanates |
| 07/09/2009 | US20090175121 Process and mixing unit for the preparation of isocyanates by phosgenation of primary amines |
| 07/08/2009 | EP2077150A1 Method and mixing unit for manufacturing isocyanates by phosgenesis of primary amines |
| 07/08/2009 | EP2076488A1 Carbamoylation of amines, thiophenols, mercaptanes and phenols employing organic azides |
| 07/07/2009 | US7557242 Phosgene-free; reacting a cycloaliphatic diamine with a carbonic acid derivative and an alcohol to produce a cycloaliphatic diurethane, distillation, thermally cleaving the cycloaliphatic diurethane to produce a cycloaliphatic diisocyanate, recycling reurethanization product directly into the low-boiler |
| 06/30/2009 | US7553906 Dual cure systems |
| 06/25/2009 | WO2009077795A1 Process for the preparation of polyisocyanates of the diphenylmethane series |
| 06/25/2009 | DE102007061688A1 Verfahren und Mischaggregat zur Herstellung von Isocyanaten durch Phosgenierung primärer Amine The method and the mixing assembly for the production of isocyanates by the phosgenation of primary amines |
| 06/25/2009 | DE102007060791A1 Verfahren zur Herstellung monomerenarmer organischer Polyisocyanate Process for the preparation of organic-monomer polyisocyanates |
| 06/24/2009 | CN101462982A Method and mixing unit for manufacturing isocyanates by phosgenesis of primary amines |
| 06/17/2009 | EP2069292A1 Method for producing isocyanates |
| 06/11/2009 | US20090149672 Process for the production of aromatic discocyanates in the gas |
| 06/11/2009 | US20090149671 Preparation of light-colored isocyanates |
| 06/09/2009 | US7544832 For carrying out chemical reactions, comprising at least one distillation column and/or at least one container and at least one circulation evaporator, these being connected to one another by corresponding connecting elements |
| 06/03/2009 | CN101448783A Method for producing organic isocyanates |
| 06/02/2009 | US7541487 Reacting a primary amine with phosgene in the gas phase above the boiling point of the amine over an average contact time of 0.05 to 15 seconds under adiabatic conditions; avoid temperature control problems; industrial scale with high space/time yields |
| 05/28/2009 | WO2009066616A1 Method for production of isocyanate and aromatic hydroxy compound |
| 05/28/2009 | DE102007056511A1 Verfahren zur Herstellung aromatischer Diisocyanate in der Gasphase A process for the preparation of aromatic diisocyanates in the gas phase |
| 05/28/2009 | CA2705874A1 Process for producing isocyanates and aromatic hydroxy compounds from aromatic polycarbonate resins |
| 05/27/2009 | EP2062877A1 Purification of isocyanate functional polymers |
| 05/27/2009 | EP2062876A1 Method for manufacturing aromatic diisocyanates in the gaseous phase |
| 05/27/2009 | EP2062869A1 Process for the production of di-and polyamines of the diphenylmethane series |
| 05/27/2009 | CN101440047A Method for manufacturing aromatic diisocyanates in the gaseous phase |
| 05/27/2009 | CN101440046A Preparation of tint isocyanate |
| 05/22/2009 | WO2009063862A1 Flash tank, depressurizer, and apparatus for producing polyisocyanate |
| 05/22/2009 | WO2009063828A1 Process for producing polyisocyanate |
| 05/20/2009 | EP2060560A1 Preparation of light-colored isocyanates |
| 05/14/2009 | WO2009059903A1 Method for preparing an isocyanate compound |
| 05/14/2009 | US20090124785 Process for production of isocyanate, isocyanate produced by the process, and use of the isocyanate |
| 05/13/2009 | CN101429140A Process for producing water-soluble closed isocyanic ester monomer |
| 05/13/2009 | CN101429139A Process for producing dicyclohexyl methyl hydride diisocyanate and its midbody |
| 05/13/2009 | CN101429138A Method for producing isocyanic ester in gas-phase |
| 05/12/2009 | US7531084 Reactor for thermally cracking monofunctional and polyfunctional carbamates |
| 04/30/2009 | US20090112018 Reacting the corresponding amines with phosgene in the presence of solvents which form salt melts with hydrogen chloride, such as 1,4-dioxane or other ether solvents such as glyme; improves yield, by-product inhibition |
| 04/30/2009 | US20090112017 Method for producing polyisocyanates |