| Patents for C07C 265 - Derivatives of isocyanic acid (3,263) |
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| 07/19/2006 | CN1806002A Mixtures containing isocyanate stabilisers of the hindered phenol type with a high molecular weight |
| 07/19/2006 | CN1803766A Blocked isocyanate and preparation method thereof |
| 07/13/2006 | WO2006072360A1 Method for the reduction of chlorine-containing components in organic isocyanates |
| 07/12/2006 | CN1263732C Process for preparing gas isocyanate |
| 06/27/2006 | US7067640 pure polymer beads of a chiral support polymerised and cross-linked, preferably into a three-dimensional glycosidic network or obtained as a chiral compound attached to a support via a covalent bond, then polymerised and cross-linked, preferably into a three-dimensional glycosidic network; chromatography |
| 06/22/2006 | US20060135810 residual stream is transported separately from the unvaporizable residue which is contained in part-stream; dividing wall is continued to base and no condensate stream produced by condenser which would contain the residual stream in vapor form is present above feed of stream to the dividing wall column |
| 06/21/2006 | CN1789241A Method for preparing a liquid, storied stably, low-color indexed, carbodiimide and/or uretone imine group-containing organic isocyanic ester |
| 06/20/2006 | US7064233 reacting primary amines with phosgene in inert solvent in presence of dimethyl sulfoxide and/or dimethyl sulfone |
| 06/15/2006 | US20060128957 Fluorous tagging and scavenging reactants and methods of synthesis and use thereof |
| 06/13/2006 | US7060850 Fluorous tagging and scavenging reactants and methods of synthesis and use thereof |
| 06/13/2006 | US7060845 Stabilized activated derivatives of carbamic acid, their process of preparation and their use for the preparation of ureas |
| 06/08/2006 | WO2006058807A1 Aliphatic, cycloaliphatic or (cyclo)aliphatic diisocyanates that are stable in storage |
| 06/08/2006 | DE102004058193A1 Vernetzbare Siloxan-Harnstoff-Copolymere Crosslinkable siloxane-urea copolymers |
| 06/08/2006 | DE102004058173A1 Lagerstabile aliphatische, cycloaliphatische oder (cyclo)aliphatische Diisocyanate Storage-stable aliphatic, cycloaliphatic or (cyclo) aliphatic diisocyanates |
| 06/06/2006 | US7057071 From 2-nitrophenyl(butyronitrile of butyric acid) by cyclization, amination, aromatization, hydrogenation |
| 06/01/2006 | US20060116529 Method for the production of isocyanates |
| 05/31/2006 | EP1660438A1 Process for preparing high purity (meth)acryloyloxyalkyl isocyanate |
| 05/31/2006 | CN1257890C Method for producing isocyanates |
| 05/17/2006 | EP1237847B1 Method for the stereoselective synthesis of cyclic amino acids |
| 05/16/2006 | CA2199913C Heat exchange media for the thermal cracking of carbamidic acid esters |
| 05/11/2006 | WO2006049264A1 Ethylenically unsaturated group-containing isocyanate compound and process for producing the same, and reactive monomer, reactive (meth)acrylate polymer and its use |
| 05/11/2006 | WO2006048171A1 Method for producing polyisocyanates |
| 05/11/2006 | WO2006048141A1 Method for producing polyisocyanates |
| 05/10/2006 | EP1654222A1 Stabilized (meth)acryloyloxyalkyl isocyanate, a process for stabilization thereof and a process for preparation of the same |
| 05/09/2006 | US7041776 Reacting aniline and formaldehyde in hydrogen chloride acid catalyst to produce diphenylmethane polyamine; phosgenation |
| 05/04/2006 | DE102004052370A1 Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe Process for the preparation of di- and polyamines of the diphenylmethane |
| 05/03/2006 | CN1765875A Method for preparing diamine and polyamine of diphenylmethane series |
| 05/02/2006 | US7038002 Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4′-methylenediphenyl diisocyanate and 2,4′-methylenediphenyl diisocyanate |
| 04/27/2006 | US20060089507 Method for separating isocyanates out from a reaction mixture |
| 04/26/2006 | CN1762988A Blocked biuretized isocyanates |
| 04/26/2006 | CN1762987A Biuretized polyisocyanates and blocked biuretized polyisocyanates |
| 04/26/2006 | CN1253483C Isocyanate compositions and their use in preparation of expanded polyurethane materials with flame-resistance property |
| 04/26/2006 | CN1253434C Polyisocyanate with good water dispersiveness |
| 04/26/2006 | CN1253433C New technique for preparing 5-isocyanic ester-isophtyaloyl chlorine |
| 04/26/2006 | CN1253432C Method for preparing (cycle) fatty isocyanate |
| 04/26/2006 | CN1253431C Method for preparing (cycle) fatty isocyanate |
| 04/26/2006 | CN1253427C Method of preparing dinitronaphthalene isomer mixture having high percentage 1,5-dinitronaphthalene |
| 04/20/2006 | WO2006040912A1 Method of purifying crude diphenylmethane diisocyanate |
| 04/20/2006 | US20060084787 Novel cyanate ester compound, flame-retardant resin composition, and cured product thereof |
| 04/19/2006 | EP1189877B1 Method for dehydrogenofluorination of an aromatic carbamoyl fluoride |
| 04/19/2006 | CN1252045C Process for synthesizing omega amine polyoxyvinyl |
| 04/19/2006 | CN1252044C Improving method for preparing (poly) isocyanate by gas phase |
| 04/18/2006 | US7030274 process includes neutralizing acidic impurities in organic isocyanate comprising 90 to 100% by weight of diphenylmethane diisocyanate, partially carbodiimidizing isocyanate groups of neutralized organic isocyanate, and terminating carbodiimidization reaction; stability; requires less catalyst stopper |
| 04/12/2006 | CN1758956A Method for producing polyisocyanates |
| 04/05/2006 | EP0897747B1 Nitration or carboxylation catalysts |
| 04/04/2006 | US7022874 Preparation of biuret-containing polyisocyanates |
| 03/29/2006 | CN1247535C Method for production of isocyanates |
| 03/29/2006 | CN1247534C Method for producing isocyanates |
| 03/28/2006 | US7019164 Heating an amine in vapor form in an inert gas and phosgene to a temperature of 200-600 degrees c |
| 03/23/2006 | DE102004036499A1 Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten Multistage process for continuously preparing cycloaliphatic diisocyanates |
| 03/22/2006 | EP1636306A1 Mixtures containing isocyanate and stabilisers of the hindered phenol type with a high molecular weight |
| 03/16/2006 | DE102004043538A1 Herstellung von neuen strahlenhärtenden Bindemitteln Production of new radiation-curing binders |
| 03/15/2006 | EP1634868A2 Multistep process for the continuous preparation of cycloaliphatic diisocyanates |
| 03/09/2006 | US20060052629 Reprocessing of reaction material discharged from phosgenation reactors |
| 03/09/2006 | DE19781525B4 Verfahren zur Herstellung von Granalien eines thermolabilen Materials und Vorrichtung zur Durchführung dieses Verfahrens A process for producing granules of a thermolabile material and apparatus for carrying out this method |
| 03/01/2006 | EP1317495B1 Isocyanate compositions and their use in the preparation of expanded polyurethane materials with endowed flame-resistance |
| 02/21/2006 | CA2096311C Process for the preparation of alkyl isocyanates |
| 02/16/2006 | US20060035966 Irreversible selective androgen receptor modulators and methods of use thereof |
| 02/16/2006 | DE102004033849A1 Verfahren zur Herstellung flüssiger, lagerstabiler Carbodiimid- und/oder Uretonimingruppen aufweisender organischer Isocyanate mit niedriger Farbzahl Process for the preparation of liquid storable carbodiimide and / or uretonimine containing Direction of organic isocyanates with low color number |
| 02/15/2006 | CN1733709A Method for preparing solid(2,3- dibrompropyl) isocyanurate |
| 02/09/2006 | DE102004032871A1 Verfahren zur Herstellung von Polyisocyanaten durch adiabate Phosgenierung von primären Aminen A process for preparing polyisocyanates by phosgenation of primary amines adiabatic |
| 02/02/2006 | US20060025626 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 |
| 02/02/2006 | US20060025557 Process for the preparation of liquid, storage-stable organic isocyanates of low color number containing carbodiimide and/or uretonimine groups |
| 02/02/2006 | DE102004032416A1 Verfahren zur Herstellung von Polyaminen der Diphenylmethanreihe bei niedriger Protonierung A process for the production of polyamines of the diphenylmethane series at low protonation |
| 02/01/2006 | CN1729168A Method for the continuous production of isocyanates |
| 02/01/2006 | CN1729167A Method for the production of isocyanates |
| 02/01/2006 | CN1729166A Method for separating isocyanates out from a reaction mixture |
| 02/01/2006 | CN1729165A Method for the purification of isocyanates |
| 02/01/2006 | CN1239475C Process for the purification of mixtures of toluenediisocyanate |
| 02/01/2006 | CN1239474C Process for preparing urea-dione polyisocyanate with improved monomer stability |
| 01/31/2006 | US6992214 Integrated process for the preparation of aromatic isocyanates and procedures for effecting the relative intermediate phases |
| 01/31/2006 | US6992044 Substituted phenyluracils |
| 01/31/2006 | CA2186991C Process for the preparation of acyl isocyanates |
| 01/28/2006 | CA2514375A1 Multistage continuous preparation of cycloaliphatic diisocyanates |
| 01/19/2006 | DE102004030164A1 Verfahren zur Herstellung von Isocyanaten A process for the preparation of isocyanates |
| 01/18/2006 | EP1616890A1 Method for producing of polyamines of the diphenylmethane series with low degree of protonation |
| 01/18/2006 | EP1616858A1 Process for the preparation of fluid and storage stable organic isocyanates containing carbodiimide and/or uretonimino groups with low colour index |
| 01/18/2006 | EP1616857A1 Method for producing polyisocyanates by adiabatic phosgenation of primary amines |
| 01/18/2006 | CN1721395A Method for preparing stable storing liquid organic isocyanate with low color number, carbodiimide and/or uretonimine group |
| 01/18/2006 | CN1721060A Ultrafine oxide catalyst for preparing diphenylmethane diisocyanates by decomposition of diphenylmethane dicarbamic acid ester |
| 01/11/2006 | CN1235874C Chemical synthesis method of aryl isocyanate |
| 01/11/2006 | CN1235873C Chemical synthesis method of isopropyl isocyanate |
| 12/29/2005 | WO2005123665A1 Method for producing isocyanates |
| 12/22/2005 | US20050282993 process includes neutralizing acidic impurities in organic isocyanate comprising 90 to 100% by weight of diphenylmethane diisocyanate, partially carbodiimidizing isocyanate groups of neutralized organic isocyanate, and terminating carbodiimidization reaction; stability; requires less catalyst stopper |
| 12/21/2005 | EP1607425A1 Process for the production of carboiimide modified organic isocyanates |
| 12/21/2005 | CN1709863A Improved process for the production of carbodiimide modifiedorganic isocyanates |
| 12/21/2005 | CN1232499C Production of low color diphenyl methane polyisocyanate |
| 12/17/2005 | CA2509861A1 Improved process for the production of carbodiimide modified organic isocyanates |
| 12/15/2005 | DE102004026451A1 Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten Multistage process for continuously preparing cycloaliphatic diisocyanates |
| 12/15/2005 | DE102004026095A1 Verfahren zur Herstellung von Isocyanaten A process for the preparation of isocyanates |
| 12/15/2005 | DE102004022626A1 Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten Multistage process for continuously preparing cycloaliphatic diisocyanates |
| 12/13/2005 | US6974880 Heating phosgene and vaporous diamine separately and feeding into tube reactor thru nozzles to produce corresponding diisocyanate |
| 12/08/2005 | WO2005115974A1 Isocyanate production method |
| 12/08/2005 | US20050272910 Moderate-pressure gas phase phosgenation |
| 12/07/2005 | EP1602643A1 Multi-step process for the continuous preparation of cycloaliphatic diisocyanates |
| 12/07/2005 | EP1601456A1 Method for producing polyisocyanates |
| 12/07/2005 | CN1230457C Compound with isocyanate group, coating composite containing same, and preparation and use thereof |
| 12/06/2005 | US6972111 Rosin amine anti-fouling agents |
| 12/01/2005 | WO2005092842A8 Method for producing (meth)acrylate derivative having isocyanate group |
| 12/01/2005 | US20050267310 Multistage continuous preparation of cycloaliphatic diisocyanates |