| Patents for C07C 265 - Derivatives of isocyanic acid (3,263) |
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| 08/30/1994 | US5342881 Process for the standardization and stabilization of organic polyisocyanates and the stable products of this process |
| 08/23/1994 | US5340912 Cyanate resins |
| 08/17/1994 | EP0611243A1 Process for the preparation of organic isocyanates |
| 08/17/1994 | EP0611050A1 Novel di- and polyamino compounds for use in the preparation of polyurethanes |
| 08/09/1994 | US5336749 Alicyclic diamines, alicyclic diisocyanates and polyisocyanato-isocyanurates and method for the preparation thereof |
| 08/09/1994 | CA2114577A1 Di- and polyamino compounds for use in the preparation of polyurethanes |
| 08/04/1994 | WO1994017032A1 Process for preparing isocyanates |
| 08/02/1994 | US5334752 Cyclobutabenzene monomers |
| 08/02/1994 | US5334637 Isocyanatocarboxylic acids, a process for their preparation and their use in coating compositions as cross-linking agents |
| 07/13/1994 | EP0323514B1 Process for preparing isocyanate compounds |
| 07/07/1994 | WO1994015258A1 Photodefinable polymers containing perfluorocyclobutane groups |
| 07/07/1994 | CA2151151A1 Photodefineable polymers containing perfluorocyclobutane groups |
| 07/06/1994 | EP0604491A1 Substituted 3-phenyluracils as herbicides |
| 06/29/1994 | EP0603700A1 Method for preventing coloration of diphenylmethane diisocyanate compound |
| 06/25/1994 | CA2111928A1 Method for preventing coloration of diphenylmethane diisocyanate compound |
| 06/08/1994 | EP0600774A1 Polyisocyanate mixture for the preparation of flexible highly elastic polyurethane foams |
| 06/08/1994 | EP0600314A1 Organic polyisocyanates having at least partially blocked isocyanate groups |
| 06/08/1994 | EP0600310A1 Polyisocyanate mixtures, method for their preparation and their use |
| 06/07/1994 | US5319133 Isocyanates and their preparation using hypochlorous acid |
| 06/02/1994 | CA2110236A1 Polyisocyanate mixtures, a process for their production and their use for the production of polyurethanes |
| 05/24/1994 | US5315034 Procedure for the preparation of alkyl isocyanates |
| 05/24/1994 | US5314588 Reaction with a diphenylmethane diisocyanate |
| 05/18/1994 | EP0597382A1 Bis-(4-substituted-2,6-diisopropylphenyl)-carbodiimides, process for their preparation and their use and the intermediates for their preparation 4-substituted-2,6-diisopropyl phenylisocyanate |
| 05/17/1994 | US5312971 Phosgenating corresponding polyamines in solution in inert solvent, removing excess phosgene, stripping solvent; adding reducing agent to polyamines at any time prior to stripping |
| 05/17/1994 | CA1329610C 3-aminobenzoylphenylureas |
| 05/10/1994 | US5310849 Reaction of aminoalkylureas with isocyanates followed by thermal decomposition |
| 05/10/1994 | US5310769 Reaction of aniline and formaldehyde, phosgenation, polyurethane from that diisocyanate which has a lighter color |
| 04/20/1994 | EP0593334A1 Process for the preparation of aromatic isocyanate compounds in gazeous phase |
| 04/13/1994 | CN1085209A Process for the preparation of isocyanates by the decomposition of N,N,N¨-trisubstituted ureas |
| 04/05/1994 | US5300616 Process for isolating polyisocyanate isomers from polyisocyanate mixtures |
| 03/31/1994 | DE4232769A1 Crude di:phenyl-methane di:isocyanate mixt prodn with light colour - by phosgenating amine mixt in inert organic solvent and adding amine and/or urea cpd before thermal treatment, useful in resin and foam mfr |
| 03/22/1994 | US5296160 Aqueous dispersions of blocked polyisocyanates |
| 03/03/1994 | WO1994004193A1 Novel attachment of polyalkylene oxides to bio-effecting substances |
| 03/02/1994 | EP0585165A1 Process for the preparation of acyl isocyanates |
| 02/23/1994 | EP0583637A1 Process for the preparation of isocyanes by decomposition of N,N,N'-trisubstituted ureas |
| 02/14/1994 | CA2100718A1 Process for the preparation of isocyanates by the decomposition of n,n,n'-trisubstituted ureas |
| 02/10/1994 | DE4302084C1 Prodn. of isocyanato-substd. ester intermediates for polymers - comprises pyrolysis of carbamate-substd. ester in presence of organo-tin catalyst |
| 02/08/1994 | US5284969 Process for the production of polyisocyanates |
| 02/02/1994 | EP0581100A1 Color reduction of polymethylene polyphenyl polyisocyanates |
| 01/25/1994 | US5281742 Bis(fluorophenyl) carbonate derivatives |
| 01/24/1994 | CA2098949A1 Color reduction of polymethylene polyphenyl polyisocyanates |
| 01/20/1994 | WO1994001388A1 Cyclobutabenzene monomers and methods of making and using same |
| 01/04/1994 | US5276008 Substituted 4,5-diamino-1,2,4-triazol-3-(thi)ones |
| 12/08/1993 | EP0572994A1 Process for the preparation of urethdione groups-containing polyisocyanates |
| 12/01/1993 | EP0571845A2 Process for standardizing and stabilising of organic polyisocyanates and their use |
| 11/25/1993 | WO1993023367A1 Use of liquid esters as solvents for isocyanates |
| 11/24/1993 | EP0570799A1 Process for the preparation of aromatic diisocyanates |
| 11/23/1993 | US5264632 Fungicide intermediate |
| 11/18/1993 | EP0570071A1 Procedure for the preparation of alkyl isocyanates |
| 11/18/1993 | DE4215873A1 Verwendung von flüssigen Estern als Lösungsmittel für Isocyanate Use of liquid esters as solvents for isocyanates |
| 11/18/1993 | DE4215761A1 Prepn. of crude phenyl methane or methylene isocyanate(s) mixts. - where obtd. mixt. are useful for prepn. of e.g. urethane] foams and polyurethane prods., having a reduced iodine number |
| 11/10/1993 | EP0568782A2 Continuous and multistep process for the preparation of (cyclo)-aliphatic diisocyanates |
| 11/09/1993 | US5260481 Process for the conditioning and/or purification of organic isocyanates |
| 11/09/1993 | CA1324135C Perfluoro(cycloaliphatic methyleneoxyalkylene) carbonyl fluorides and derivatives thereof |
| 11/06/1993 | CA2095417A1 Continuous multi-stage process for the preparation of (cyclo)aliphatic diisocyanates |
| 11/03/1993 | EP0567881A2 Process for the preparation of polyamine mixtures of the polyamino-polyaryl-polymethylene series |
| 11/02/1993 | US5258548 Method for preventing coloration of aromatic isocyanate compounds |
| 10/27/1993 | EP0566925A2 Multi-step method for the continuous preparation of organic polyisocyanates |
| 10/26/1993 | US5256784 Merocyanine dyes |
| 10/20/1993 | EP0566555A2 Process for preparing isocyanates |
| 10/20/1993 | EP0565931A1 Modified aromatic polyisocyanates and their use in the production of hardened urethane foams |
| 10/19/1993 | US5254660 Polyurethanes, fluoropolymers |
| 10/09/1993 | CA2093368A1 Modified aromatic polyisocyanates and their use for the production of rigid foamed materials |
| 09/22/1993 | EP0561225A2 Process for the preparation of isocyanates or isocyanate mixtures and their use in the preparation of polyurethane foams |
| 09/17/1993 | CA2092623A1 Process for the preparation of isocyanates or isocyanate mixtures useful for the preparation of polyurethane foams |
| 09/14/1993 | US5245076 Herbicides |
| 08/05/1993 | WO1993015596A2 Functionalized merocyanine dyes and polymers incorporating such dyes |
| 08/05/1993 | WO1993015046A1 Carbamates and plant-protecting agents containing them |
| 08/05/1993 | CA2128218A1 Functionalized merocyanine dyes and polymers incorporating such dyes |
| 08/03/1993 | US5233079 Trans configuration isomers |
| 07/31/1993 | CA2088091A1 3-quinuclidinol catalyst compositions for making polyurethane foams |
| 07/27/1993 | CA1320784C Process for the production of modified polyisocyanates, the polyisocyanates obtainable by this process and their use as binders or as a binder component |
| 07/14/1993 | EP0550908A2 Process for the insulation of polyisocyanate isomers from poly-isocyanate mixtures |
| 07/13/1993 | CA1320213C2 Benzoylurea derivative and its production and use |
| 07/08/1993 | CA2086651A1 Process for isolating polyisocyanate isomers from polyisocyanate mixtures |
| 06/30/1993 | EP0548815A2 Tetramethylxylylene carbodiimides |
| 06/30/1993 | EP0548685A2 Method for preparing isocyanates and treatment of residue |
| 06/30/1993 | EP0548669A2 Isocyanato carboxylic acids, a method for their preparation and their use |
| 06/24/1993 | CA2085947A1 Process for the production of isocyanates and for working up the residue |
| 06/23/1993 | EP0547444A1 Process for the preparation of high-purity aromatic di- and/or polyurethanes |
| 06/17/1993 | CA2085284A1 A process for the preparation of highly pure aromatic diurethanes and/or polyurethanes |
| 06/16/1993 | EP0546398A2 A process for preparing polyamines for lighter color polyisocyanate based foam |
| 06/15/1993 | US5220069 Catalytic decarboxylation of carbamates to produce amines |
| 06/01/1993 | CA1318683C Circulation process for the production of aliphatic and cycloaliphatic diisocyanates |
| 06/01/1993 | CA1318682C Disubstituted benzylamines, their preparation process, their use medicine and their synthesising agents |
| 05/19/1993 | EP0542106A2 Process for the preparation of polyisocyanates |
| 05/18/1993 | CA1317966C Preparation of substituted benzotrichlorides |
| 05/18/1993 | CA1317949C Isocyanates derived from dienes and process and their preparation |
| 05/12/1993 | EP0540976A1 Use of polyisocyanate solutions for the impregnation of mineral substrates |
| 05/11/1993 | US5210286 Hydrogenation of corresponding aromatic compound, reaction with phosgene |
| 05/11/1993 | US5210285 Chlorination of tert-alkyl isocyanates under irradiation or in the presence of catalysts |
| 05/11/1993 | US5210284 Boiling, solvents, evaporation, recovering |
| 05/09/1993 | CA2082366A1 Polyisocyanate solutions useful for impregnating porous inorganic substrates |
| 05/04/1993 | US5208388 Chemical intermediates for heterocyclic fungicides |
| 05/04/1993 | US5208368 Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates of reduced iodine color number |
| 05/04/1993 | US5207942 Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number |
| 05/04/1993 | CA1317311C Liquid diphenylmethane diisocyanate compositions |
| 05/04/1993 | CA1317306C Process for the continuous preparation of monoisocyanates or polyisocyanates |
| 04/20/1993 | US5204441 Polyfluorinated, branched-chain diols and diisocyanantes and fluorinated polyurethanes prepared therefrom |
| 04/14/1993 | EP0536605A2 Free-flowing solids based on 4,4'-diisocyanato dicyclohexylmethane |