Patents for C07C 265 - Derivatives of isocyanic acid (3,263) |
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10/29/2003 | EP1086075B1 Method for treating distillation residues from the synthesis of toluene diisocyanate |
10/28/2003 | US6639102 Process for producing polyisocyanates of the diphenyl methane series having a reduced color value |
10/28/2003 | US6639101 Isocyanate production procedure |
10/16/2003 | WO2003084921A1 Reactor for thermally cracking monofunctional and polyfunctional carbamates |
10/14/2003 | CA2082786C A process for the production of polyisocyanates |
10/09/2003 | WO2003082803A1 Process for the production of diaminodiphenylmethane and its higher homologues |
10/08/2003 | EP1349831A2 Method for using a carbamoyl fluoride as fluorinating agent |
10/07/2003 | US6630599 Process for preparing derivatives of isopropenyl-α, α-dimethylbenzyl isocyanate |
10/02/2003 | US20030187233 Perfluoroisopropybenzene derivative |
10/01/2003 | EP1073628B1 Method for producing mixtures consisting of diphenylmethane diisocyanates and polyphenylene-polymethylene-polyisocyanates containing a reduced amount of chlorinated secondary products and with a reduced iodine colour index |
10/01/2003 | CN1446237A Isocyanate compositions and their use in preparation of expanded polyurethane materials with endowed flame-resistance |
09/24/2003 | EP1345888A1 Method for the production of 1,5-naphthalenediamine |
09/24/2003 | CN1443796A Preparation method of polyisocyanate of diphenyl methane series with low color value |
09/23/2003 | US6624120 Substituted herbicidal phenyluracils |
09/23/2003 | CA2127110C Carbamates and crop protection agents containing them |
09/18/2003 | US20030176626 Process for producing polyisocyanates of the diphenyl methane series having a reduced color value |
09/17/2003 | EP1344766A2 Process for the preparation of polyisocyanates of the diphenylmethane series having reduced colour |
09/17/2003 | CN1442401A Method of preparing dinitronaphthalene isomer mixture having high percentage 1,5-dinitronaphthalene |
09/13/2003 | CA2421395A1 Process for producing polyisocyanates of the diphenyl methane series having a reduced color value |
09/12/2003 | WO2003074477A1 Method for producing isocyanates |
09/12/2003 | WO2003074473A2 Irreversible selective androgen receptor modulators and methods of use thereof |
09/12/2003 | CA2476651A1 Irreversible selective androgen receptor modulators and methods of use thereof |
09/11/2003 | US20030171627 Naphthalene and/ or 1-nitronaphthalene is reacted with nitric acid in the presence of a zeolite. |
09/10/2003 | EP1342713A1 Method for producing a dinitronaphthalene-isomer mixture having an increased 1,5-dinitronaphthalene proportion |
09/09/2003 | US6617413 With or without blocking, allophanate groups and free-radically polymerizable C=C double bonds in activated form by a carbonyl group attached directly or an oxygen atom in an ether function |
09/04/2003 | US20030166965 Reacting amines with phosgene |
09/04/2003 | US20030166487 Normally liquid, omega-hydrofluoroalkyl ether compounds (and selected mixtures thereof) have a saturated perfluoroaliphatic chain of carbon atoms interrupted by one or more ether oxygen atoms. The compounds can be prepared, by decarboxylation of |
09/02/2003 | US6613458 Benzo(a)perylene derivative dopant |
08/28/2003 | US20030162995 Integrated process for the preparation of aromatic isocyanates and procedures for effecting the relative intermediate phases |
08/21/2003 | WO2003068359A2 Reaction column in a special combination with a natural circulation evaporator |
08/20/2003 | EP1187808B1 Light isocyanates, method for producing them and use thereof |
08/20/2003 | CN1436772A Isocyanate preparing process |
08/13/2003 | CN1117781C Isocyanate compositions for foaming polyurethane plastic foams |
08/06/2003 | CN1434743A Method and device for the continuous production of organic mono of polyisocyanates |
08/06/2003 | CN1434742A Method for reducing byproducts in the mixture of educt trreams |
07/30/2003 | EP1330443A1 Substituted phenyluracils |
07/30/2003 | CN1432563A Prepn process of carbamate and prepn process of isocyanate |
07/29/2003 | CA2096501C Process for the preparation of aromatic diisocyanates |
07/23/2003 | CN1115332C Metal surface treating agent contg. polyoxyethylene alkylphenol ether derivatives |
07/22/2003 | CA2069384C A process for the preparation of liquid storable organic isocyanates containing carbodimide and/or uretone imine groups and their use for the preparation of polyurethane plastics |
07/10/2003 | US20030130124 Uracil compounds and use thereof |
07/08/2003 | US6590005 Isocyanate compositions for blown polyurethane foams |
07/03/2003 | US20030125579 Aliphatic amines, alicyclic amines, and aralkyl aminea are reacted with alkylaryl carbonates to produce carbamates which are thermally decomposed to produce isocyanates |
07/02/2003 | EP1323708A1 Method for producing carbamates and method for producing isocyanates |
06/26/2003 | US20030120108 Preparation of biuret-containing polyisocyanates |
06/25/2003 | CN1425647A Improving method for preparing (poly) isocyanate by gas phase |
06/19/2003 | US20030114705 Process for the production of (poly)isocyanates in the gas phase |
06/18/2003 | EP1319655A2 Improved process for the preparation of (poly-)isocyanates in the gas phase |
06/17/2003 | CA2084957C Process for preparing polyamines for lighter color polyisocyanate based foam |
06/11/2003 | EP1317495A1 Isocyanate compositions and their use in the preparation of expanded polyurethane materials with endowed flame-resistance |
06/10/2003 | US6576788 Method for producing mixtures consisting of diphenylmethane diisocyanates and polyphenylene-polymethylene-polyisocyanates containing a reduced amount of chlorinated secondary products and with a reduced iodine color index |
06/10/2003 | CA2086175C Polytetramethylxylylene carbodiimide |
06/05/2003 | WO2003045900A1 Production of isocyanates in the gaseous phase |
06/04/2003 | CN1110473C Method for removing contaminants from products |
05/22/2003 | WO2003042170A1 Method for production of isocyanates |
05/21/2003 | CN1419538A Integrated process for the preparation of aromatic isocyanates and procedures for effecting the relative intermediate phases |
05/08/2003 | WO2002076928A3 Alkylamine derivatives as antifouling agents |
05/02/2003 | EP1053222B1 Method for the production of methylenedi(phenylamine) and methylenedi(phenyl isocyanate) |
05/01/2003 | WO2003035607A1 Method for producing isocyanates |
05/01/2003 | WO2003035606A1 Improved method for producing isocyanates |
05/01/2003 | US20030082403 Organic electroluminescent elements |
04/24/2003 | US20030078310 Isocyanate compositions for blown polyurethane foams |
04/16/2003 | CN1105710C Substituted diazacyclo hexandi (thi) ones |
04/15/2003 | CA2095188C Process for the production of polyamine mixtures of the poly-amino-polyaryl-polymethylene series |
04/10/2003 | US20030069441 Phosgenation of (cyclo)aliphatic diamines and triamines in the gas phase by accelerating the reactant gas flow |
04/10/2003 | US20030069438 Method for the stereoselective synthesis of cyclic amino acids |
04/03/2003 | US20030065023 Anticancer agents, viricides, psychological disorders |
04/02/2003 | EP1296753A1 Method and device for reducing byproducts in the mixture of educt streams |
04/02/2003 | EP0759908B1 Substituted diazacyclohexandi(thi)ones |
04/02/2003 | CN1407967A Stereoselective synthesis of cyclic amino acids |
04/02/2003 | CN1406925A Production of low color diphenyl methane polyisocyanate |
03/26/2003 | CN1406224A Process for the preparation of organic polyisocyanates |
03/25/2003 | US6538158 Process for preparing 1,4-diaminonaphthalene and/or 1,5-diaminoNaphthalene |
03/20/2003 | US20030055282 Decomposing polycarbamates into alcohols and at least a portion of either diisocyantes or monoisocyanatomonocarbamates are removed during decomposing |
03/12/2003 | EP1289649A1 Method and device for the continuous production of organic mono or polyisocyanates |
03/06/2003 | US20030045745 Reacting aniline and formaldehyde in the presence of an acidic catalyst, neutralizing with a base at a temperature of more than 110 degrees C. and phosgenating; intermediates for polyurethane |
03/05/2003 | EP1288190A2 Process for the preparation of polyisocyanates of the diphenylmethane series having reduced colour |
03/04/2003 | US6528455 Phenoxy-and thiophenoxy acrylic acid compounds as herbicides |
02/25/2003 | CA2110235C At least partially blocked organic polyisocyanates, a process for their preparation and their use in coating compositions |
02/24/2003 | CA2399483A1 Process for the production of polyisocyanates of the diphenylmethane series with a reduced color value |
02/19/2003 | CN1398249A Perfluoroisopropylbenzene derivatives |
02/19/2003 | CN1101808C Method for producing organic diurethanes and/or polyurethanes and their usein prodn. of di-and/or polyisocyanates |
02/18/2003 | US6521707 (poly)ether amine ester isocyanate derivatives that can be reacted with hydroxy and amino compounds to form urethanes or ureas used in the isolation of nucleic acids |
02/12/2003 | CN1396153A Method for preparing (cycle) fatty isocyanate |
02/12/2003 | CN1396152A Method for preparing (cycle) fatty isocyanate |
02/05/2003 | CN1394851A Synthesis mothod of 1,5-naphthalene diisocyanate |
01/30/2003 | US20030023114 Polyisocyanates as coating components for coating means rich in solids |
01/23/2003 | US20030017948 For herbicides |
01/22/2003 | CN1099410C Process for preparing 2,2'-dimethyl-3,3'5,5' triphenyl methane tetraiso-cyanate |
01/16/2003 | US20030013909 Process for preparing (cyclo)aliphatic isocyanates |
01/15/2003 | EP1275640A1 Process for the preparation of (cyclo)aliphatic isocyanates |
01/15/2003 | EP1275639A1 Process for the preparation of (cyclo)aliphatic isocyanates |
01/02/2003 | EP1270544A1 Process for the preparation of methylenedi(phenylamine) and methylenedi(phenylisocyanate) |
01/01/2003 | CN1388116A One kind of 4-cyano phenyl isocyanate and its chemical synthesis |
12/27/2002 | WO2002102763A1 Method for producing isocyanates |
12/26/2002 | US20020198408 Process for preparing 1,4-diaminonaphthalene and/or 1,5-diaminonaphthalene |
12/19/2002 | WO2002100915A1 Process for the continuous production of polyisocyanates |
12/11/2002 | EP1263832A1 Polyisocyanates as coating components for coating means rich in solids |
12/11/2002 | EP0624155B2 Carbamates and plant-protecting agents containing them |
12/10/2002 | US6491983 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application |