| Patents for C07C 265 - Derivatives of isocyanic acid (3,263) |
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| 03/09/2005 | CN1592736A Production of isocyanates in the gaseous phase |
| 03/09/2005 | CN1590370A Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series |
| 03/09/2005 | CN1590369A Preparation method of isocyanate |
| 03/09/2005 | CN1192013C Rosin amine anti-fouling agents |
| 03/08/2005 | US6864390 Antiepileptic agents; central nervous system disorders; psychological disorders |
| 03/08/2005 | US6863211 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application |
| 03/03/2005 | US20050049430 Diisocyanate of bicyclo[2.2.1]heptane, tricyclo[5.2.1.02,6]decane, bicyclo[4.3.0]nonane-3(4),7(8)-, bicyclo[2.2.2]octane; polyurethane resin with transparency, heat resistance, Abbe number and refractive index; lens |
| 03/02/2005 | EP1509496A1 Method for producing isocyanates |
| 02/24/2005 | US20050043563 Multistage continuous preparation of cycloaliphatic diisocyanates |
| 02/24/2005 | US20050043562 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 |
| 02/24/2005 | US20050043561 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 |
| 02/24/2005 | DE10333929A1 Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat Preparation of mixtures of di- and polyisocyanates of the diphenylmethane series with high contents of 4,4'-methylene diphenyl diisocyanate and 2,4'-methylene diphenyl diisocyanate |
| 02/22/2005 | CA2478743A1 Multistage continuous preparation of (cyclo) aliphatic diisocyanates |
| 02/22/2005 | CA2478723A1 Multistage continuous preparation of (cyclo)aliphatic diisocyanates |
| 02/22/2005 | CA2478300A1 Multistage continuous preparation of (cyclo) aliphatic diisocyanates |
| 02/16/2005 | EP1506957A1 Process for the preparation of mixtures of di- and polyisocyanates of the diphenylmethane series with a high amount of 4,4'-methylenediphenyldiisocyanate and 2,4'-methylenediphenyldiisocyanate |
| 02/16/2005 | EP1506165A1 Tetralin isocyanates |
| 02/10/2005 | WO2005012237A1 Process for preparing high purity (meth)acryloyloxyalkyl isocyanate |
| 02/10/2005 | WO2005012236A1 Stabilized (meth)acryloyloxyalkyl isocyanate, a process for stabilization thereof and a process for preparation of the same |
| 02/02/2005 | CN1575278A Method for producing isocyanates |
| 02/02/2005 | CN1575277A Method for production of isocyanates |
| 02/02/2005 | CN1575276A Method for producing isocyanates |
| 02/02/2005 | CN1572786A Uracil compounds and use thereof |
| 02/02/2005 | CN1187340C Uracil compound and its use |
| 01/27/2005 | US20050020848 Reaction column in a special combination with a natural circulation evaporator |
| 01/27/2005 | US20050020797 Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4'-methylenediphenyl diisocyanate and 2,4'-methylenediphenyl diisocyanate |
| 01/26/2005 | CN1186317C Process for the preparation of organic polyisocyanates |
| 01/20/2005 | US20050014975 Reacting aniline with formaldehyde in presence of acid catalyst; heating controlling temperature; phosphonation if desired |
| 01/19/2005 | EP1497259A1 Reactor for thermally cracking monofunctional and polyfunctional carbamates |
| 01/12/2005 | CN1562965A New technique for preparing 5-isocyanic ester-isophtyaloyl chlorine |
| 01/11/2005 | US6841585 Tetralin isocyanates |
| 01/06/2005 | US20050003553 Evaluating spectrum via chemometric calibration model; online networks |
| 01/05/2005 | CN1560030A Polyisocyanate with good water dispersiveness |
| 01/04/2005 | US6838578 Separately heating phosgene and a diamine or triamine of the formula R-(NH2)n, where R= a (cyclo)aliphatic hydrocarobn having upto 15 carbon atoms, and atleast 2 C-atoms between two nitrogen atoms, continuously reacting the reactants |
| 12/30/2004 | US20040267047 Method for production of isocyanates |
| 12/30/2004 | DE10327009A1 Mischungen enthaltend Isocyanat und Stabilisator Mixtures containing isocyanate and stabilizer |
| 12/29/2004 | CN1182108C Light isocyanates, method for producing them and use thereof |
| 12/23/2004 | WO2004111119A1 Mixtures containing isocyanate and stabilisers of the hindered phenol type with a high molecular weight |
| 12/23/2004 | US20040260117 Phosgenation of a primary amine in the presence of a nontoxic phosphine oxide catalyst; continuous or batch processing; by-product inhibition; high efficiency under mild temperature and pressure conditions |
| 12/21/2004 | US6833476 Fluorinating a dichlorofluoromethyl or methoxy or a trichloromethyl or methoxybenzene isocyanate by reacting with HF to form the carbamoyl fluoride intermediate and forming a trifluoromethyl or methoxybenzene isocyanate |
| 12/21/2004 | US6833469 Method for producing isocynates |
| 12/16/2004 | US20040254327 Bisphenol a derivatives containing one biaryl group and a spacer; monomers for polycarbonates |
| 12/16/2004 | US20040254206 herbicides |
| 12/14/2004 | US6831192 Reacting formaldehyde with aniline in presenc eof acid catalyst |
| 12/09/2004 | US20040249193 Method for producing isocyanates |
| 12/09/2004 | DE10322439A1 Verfahren und Vorrichtung zur Bestimmung der Isomerenzusammensetzung bei Isocyanat-Herstellprozessen Method and apparatus for determination of the isomer composition in isocyanate production processes |
| 12/09/2004 | DE102004001872A1 Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane A process for distillation of a mixture of isomeric diisocyanatodiphenylmethanes |
| 12/08/2004 | EP1483235A1 Process for the preparation of isocyanates |
| 12/01/2004 | CN1550493A Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanes |
| 11/25/2004 | WO2004007407A3 Fluorous tagging and scavenging reactants and methods of synthesis and use thereof |
| 11/25/2004 | US20040236139 divided wall chemical reactor; multistage process |
| 11/24/2004 | EP1480033A1 Method and apparatus for determining the content of isomeres during production of isocyanate |
| 11/19/2004 | CA2467281A1 Method and device for determining the isomer composition in isocyanate production processes |
| 11/17/2004 | EP1476234A2 Reaction column in a special combination with a natural circulation evaporator |
| 11/11/2004 | WO2004080587A8 Method for producing polyisocyanates |
| 11/10/2004 | EP1475367A1 Distillation process for separating diisocyanatodiphenylmethane isomers |
| 11/08/2004 | CA2466464A1 Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanes |
| 10/14/2004 | DE19529631B4 Wäßriges, oberflächenaktives Mittel zur Oberflächenbehandlung von Verstärkungsmaterial, Verstärkungsmaterial mit einer mit dem genannten oberflächenaktiven Mittel behandelten Oberfläche und Vewendung des Verstärkungsmaterials An aqueous, surface active agent for surface treatment of reinforcing material, reinforcing material having a surface treated with the aforementioned surface active agent and surface of the reinforcing material Vewendung |
| 10/12/2004 | US6803483 Process for the purification of mixtures of toluenediisocyanate |
| 10/12/2004 | US6803482 Uniform heating, controlling temperature; homogeneity gas flow; antideposit agents; phosgenating of diamine or triamine |
| 10/05/2004 | US6800781 Injecting quenching liquid into gas mixture continuously flowing out of cylindrical reaction zone into downstream cylindrical quenching zone, with at least two spray nozzles arranged at entrance to quenching zone at equal distances |
| 09/30/2004 | US20040192959 Method for producing isocynates |
| 09/30/2004 | DE10311865A1 Production of polyurethane components e.g. diphenylmethane di-isocyanate, involves making intermediates from simple starting materials and then reacting the intermediates, all in a system of micro-technology components |
| 09/29/2004 | CN1532189A Process for preparing polyisocyanate ester |
| 09/23/2004 | WO2004080587A1 Method for producing polyisocyanates |
| 09/23/2004 | DE10310888A1 Production of polyisocyanates useful for polyurethane production comprises reacting an amine with phosgene in a tubular reactor and passing the reactor effluent to a distillation column |
| 09/22/2004 | CN1530361A Preparation of (poly) isocyanic ester in gas phase |
| 09/21/2004 | CA2047989C Multilayer reverse osmosis membrane of polyamide-urea |
| 09/14/2004 | CA2085495C Isoxyanatocarboxylic acids, a process for their preparation and their use in coating compositions as cross-linking agents |
| 09/08/2004 | CN1165520C Method for treating distillation residues from synthesis of toluene diisocyanate |
| 09/02/2004 | US20040171869 Method for producing mdi, especially 2,4'-mdi |
| 09/02/2004 | DE10307141A1 Verfahren zur Herstellung von (Poly)isocyanaten in der Gasphase A process for the preparation of (poly) isocyanates in the gas phase |
| 09/01/2004 | EP1451150A1 Production of isocyanates in the gaseous phase |
| 08/26/2004 | US20040167354 Process for the manufacture of (poly-)isocyanates in the gas phase |
| 08/25/2004 | EP1449826A1 Process for the production of (poly)isocyanates in the gas phase |
| 08/25/2004 | CN1163470C Tolylenediamine and water mixture and use in preparation of toluene diisocyanate thereof |
| 08/24/2004 | US6780821 Substituted phenyl uracils |
| 08/18/2004 | CN1521162A Process for the synthesis of p-methyl cyclohexyl isocyanate |
| 08/11/2004 | EP1244615B1 Method for producing n-substituted 2,4-diamino-5-fluoro benzonitriles and novel intermediates |
| 08/05/2004 | US20040150123 Method for carrying out the distillation or reactive distillation of a mixture containing at least one toxic constituent |
| 08/04/2004 | EP1443040A1 Process for preparing 3-chloro-5-nitrotoluene |
| 08/04/2004 | EP1005450B1 Method of utilizing isocyanate linkages for forming multi-tier cascade polymers |
| 08/04/2004 | CN1160320C Storage-stabled methylne bis (phenyl isocyanate) compositions |
| 08/04/2004 | CN1160319C Method for producing mixtures consisting of diphenylmethane diisocyanates and polyphenylene-polymethylene-polyisocyanates containing reduced amout of chlorinated secondary products |
| 07/29/2004 | US20040147776 Multistage reaction of chlorination and deamination 2-methyl-5-nitro aniline to get 3-chloro-5-nitrotoluene |
| 07/28/2004 | EP1440990A1 Process for decreasing the acidic content of polymethylene-poly-phenyl-polyisocyanates mixtures |
| 07/28/2004 | EP1440056A1 Method for producing isocyanates |
| 07/28/2004 | EP1440055A1 Method for production of isocyanates |
| 07/28/2004 | EP1440054A1 Improved method for producing isocyanates |
| 07/28/2004 | CN1516688A Method for producing isocyanates |
| 07/22/2004 | WO2004037879A3 Monomers containing at least one biaryl unit and polymers and derivatives prepared therefrom |
| 07/22/2004 | US20040143029 Produced by reacting tetralindiamine with phosgene |
| 07/15/2004 | WO2004058689A1 Method for the production of isocyanates |
| 07/08/2004 | WO2004056760A1 Method for producing (cyclo)aliphatic isocyanates |
| 07/08/2004 | WO2004056759A1 Method for the purification of isocyanates |
| 07/08/2004 | WO2004056757A1 Method for separating isocyanates out from a reaction mixture |
| 07/08/2004 | WO2004056756A1 Method for the continuous production of isocyanates |
| 07/08/2004 | DE10261191A1 Production of isocyanates by reacting amines with phosgene comprises using phosgene with a low hydrogen chloride content |
| 07/08/2004 | DE10261187A1 Verfahren zur Herstellung von Isocyanaten A process for the preparation of isocyanates |
| 07/01/2004 | DE10260094A1 Verfahren zur Herstellung von (cyclo)aliphatischen Isocyanaten Process for preparing (cyclo) aliphatic isocyanates |