Patents
Patents for C07C 265 - Derivatives of isocyanic acid (3,263)
03/1996
03/06/1996EP0699659A2 Process and device for separating a solid residue from its solution in stirred material bed
03/06/1996EP0699658A1 Process for preparing liquid diphenylmethane diisocyanate
03/06/1996EP0699657A1 Process for the preparation of aromatic polyisocyanate compounds in gas phase
03/01/1996CA2157099A1 Process and a device for separating a solid residue from its solution in a stirred bed of material
02/1996
02/22/1996WO1996005171A1 4,4'-methylen-bis-(3-chloro-2,6-dialkylphenylisocyanates) and polyurethane systems containing the same
02/22/1996CA2197560A1 4,4'-methylene-bis-(3-chloro-2,6-dialkylphenyl isocyanates) and polyurethane systems containing same
02/15/1996DE19529631A1 Surface treatment for reinforcing materials for composites
02/06/1996US5489623 Applying polymer to surface, exposing to incident photonicradiation to render portions less soluble or dispersible
02/01/1996WO1996002518A1 Substituted cinnamic oxime and hydroxamide derivatives
02/01/1996CA2195021A1 Substituted cinnamic oxime and cinnamic hydroxamide derivatives
01/1996
01/18/1996DE4424791A1 Substituierte Zimtoxim- und Zimthydroxamid-Derivate Substituted cinnamic hydroxamide Zimtoxim- and derivatives
01/16/1996US5484916 Catalytic dimerization
01/16/1996US5484819 Acidifying polymethylenepolyphenylenepolyamine before phosgenation to produce polymethylenepolyphenylamine polyisocyanate
12/1995
12/19/1995US5476644 Cyclic triamine chelating agents
11/1995
11/30/1995WO1995032174A1 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application
11/30/1995CA2190116A1 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application
11/23/1995WO1995031440A1 Substituted diazacyclohexandi(thi)ones
11/23/1995DE19500118A1 Substituierte Diazacyclohexandi(thi)one Substituted diazacyclohexanedi (thi) ones
11/23/1995CA2190504A1 Substituted diazacyclohexandi(thi)ones
11/22/1995EP0683154A1 Diisocyanates, process for their preparation and their use
11/21/1995US5468783 Modified aromatic polyisocyanates and their use for the production of rigid foamed materials
11/18/1995CA2149275A1 Diisocyanates and processes for their production and use
11/08/1995EP0680984A1 Isocyanates blocked with hydroxyaromatic compounds
11/08/1995EP0680466A1 Process for preparing isocyanates.
11/07/1995US5464921 Polyisocyanate mixtures, a process for their production and their use for the production of polyurethanes
10/1995
10/26/1995WO1995028380A1 Cyclic triamine chelating agents
10/26/1995CA2186600A1 Cyclic triamine chelating agents
10/17/1995CA1337353C Coreactive photoinitiators
10/12/1995CA2146522A1 Process for the production of diisocyanates
10/11/1995EP0676392A1 Process for the preparation of diisocyanates
10/11/1995EP0676391A1 Process for the preparation of isocyanates or isocyanate mixtures and their use for the manufacture of light coloured foams
10/11/1995EP0676062A1 Photodefinable polymers containing perfluorocyclobutane groups
10/10/1995US5457134 Controlling nematodes, insects, acarids on plants
10/08/1995CA2146512A1 Process for the production of isocyanates and for the production of light colored foams therefrom
10/05/1995WO1995026332A1 Obtaining toluene 2,6-diisocyanate from a mixture containing toluene 2,6-diisocyanate and toluene 2,4-diisocyanate
09/1995
09/26/1995US5453536 By pyrolysis under mild conditions in the absence of solvent and catalyst; preparation of polyurethanes
09/20/1995EP0672653A1 Process for producing isocyanates
09/19/1995US5451697 Carbon dioxide and primary amine
09/14/1995WO1995024384A1 Polycarbamates, process for preparing polycarbamates, and process for preparing polyisocyanates
09/13/1995EP0671426A1 Modified blends of (cyclo)aliphatic polyisocyanates, process for their preparation and their use
09/12/1995US5449818 Reaction of diamine with phosgene to form diisocyanate
09/12/1995US5449817 Process for the preparation of organic isocyanates
08/1995
08/29/1995US5446196 Process for the production of isocyanates and for the continuous working-up of the residue
08/18/1995CA2139535A1 Modified (cyclo)aliphatic polyisocyanate mixtures, preparation thereof and use thereof
07/1995
07/06/1995WO1995018098A1 Process for preparing isocyanates
07/05/1995EP0661278A1 Blocked polyisocyanates
07/01/1995CA2139365A1 Masked polyisocyanates; process for preparing the same and process for preparing polymers from said masked polyisocyanates
06/1995
06/20/1995US5426164 Photodefinable polymers containing perfluorocyclobutane groups
06/20/1995CA1335992C Process for the production of polyisocyanates containing isocyanurate groups and their use
06/14/1995EP0657420A1 Process for the preparation of diurethanes and their use in the preparation of diisocyanates
06/14/1995CA2137713A1 Process for the production of diurethanes and their use for the production of diisocyanates
06/13/1995US5424386 Modified aromatic polyisocyanates and their use for the production of rigid foamed materials
05/1995
05/23/1995US5418312 Difunctional cyclobutabenzene monomers
05/17/1995CN1102642A N-cyanoaryl-nitrogen heterocycles
05/10/1995EP0425596B1 A process for distillation of crude isocyanate concentrates
04/1995
04/19/1995EP0648749A2 N-cynanoaryl nitrogencontaining heterocycles
03/1995
03/29/1995EP0645372A1 Stable polyisocyanate mixtures prepared by phosgen-free processes and a process for their preparation
03/28/1995US5401819 Thermally decomposing an azidofumarate ester in the presence of an isomerization catalyst and removing isocyanatoacrylate ester product from solution
03/21/1995US5399736 Process for the preparation of highly pure aromatic diurethanes and/or polyurethanes
03/15/1995EP0643042A1 Storage-stable polyisocyanate mixtures prepared by phosgen-free processes, a process for their preparation and their use
03/14/1995CA2130685A1 Stable polyisocyanate compositions obtainable by phosgene-free methods and their preparation
03/14/1995CA2130684A1 Polyisocyanate compositions having a long shelf life and obtainable by phosgene-free methods, their preparation and their use
03/02/1995WO1993015596A3 Functionalized merocyanine dyes and polymers incorporating such dyes
03/01/1995EP0640071A1 Use of liquid esters as solvents for isocyanates
03/01/1995EP0640069A1 Fluoroalkenyl compounds and their use as pest repellents
03/01/1995CN1099384A Process for preparing isocyanates
02/1995
02/23/1995DE4412079A1 N-Cyanoaryl-nitrogen-heterocycles
02/22/1995CN1099026A A process for the production of isocyanates and for the continuous working-up of the residue
02/21/1995US5391807 Methods of preparing fluorobenzene derivatives and related compounds
02/21/1995US5391683 Preparation of aromatic polyisocyanates
02/14/1995US5389680 Fluoroalkenyl compounds and their use as pest repellents
01/1995
01/31/1995US5386059 Process for preparing polyamines for lighter color polyisocyanate based foam
01/31/1995US5386057 Process for the preparation of acyl isocyanates
01/31/1995US5386054 Process for the purification of polyisocyanates, the polyisocyanates thus purified and use thereof
01/31/1995US5386053 Multistep, continuous preparation of organic polyisocyanates
01/31/1995CA1334232C Process for the production of polyisocyanates containing allophanate groups
11/1994
11/30/1994EP0626368A1 Process for preparing isocyanates and continuous treatment of the residue
11/28/1994CA2124287A1 Process for the production of isocyanates and for the continuous working-up of the residue
11/23/1994EP0625506A2 Amide group-containing diisocyanates and amide group-containing epoxy resins
11/17/1994EP0624567A2 Derivatives of 3-fluorophenol, process for their preparation and their use
11/17/1994EP0624155A1 Carbamates and plant-protecting agents containing them
11/12/1994CA2123242A1 Derivatives of 3-fluorophenol, processes for preparing them, and the use of these compounds
11/09/1994EP0623591A1 Olefinically unsaturated isocyanates and their use as binder in coating materials
11/02/1994EP0621962A1 Functionalized merocyanine dyes and polymers incorporating such dyes
11/02/1994CN1094395A Preparation of aromatic isocyanate type composition in gas phase
11/01/1994US5360933 Tetramethylxylylene carbodiimide
11/01/1994US5360931 Condensation of urea with diamine in alcohol solvent to give bisurea and reaction with alcohol to form bis carbamate, distillation and cleavage in rectification column
10/1994
10/31/1994CA2122177A1 Olefinically unsaturated isocyanates, a method for their production and their use in one-component coating compositions
10/25/1994US5359129 Stabilizing with hindered amine
10/11/1994US5354901 Perfluoro(cycloaliphatic methyleneoxyalkylene) carbonyl fluorides and derivatives thereof
10/11/1994US5354432 Recovering diisocyanate from residues by distilling in high boiling bitumens
10/11/1994CA1332488C Blocked isocyanates and method of making and using the same
09/1994
09/27/1994US5350825 At least partially blocked organic polyisocyanates, a process for their preparation and their use in coating compositions
09/20/1994US5349081 Dehydration, primary amine and carbon dioxide
09/13/1994US5347044 Useful as adhesives for living tissues of plants and animals and matrices of structures
09/13/1994US5347034 Process for the production of poly(O-alkylurethanes) of the diphenyl methane series
09/06/1994US5344965 Preparation of a novel diisocyanate from norbornadiene
09/06/1994US5344953 Carbonates as intermesiates for herbicidal oxazolidinedione derivatives
08/1994
08/31/1994EP0612722A2 Isocyanate-substituted isophthaloyl chlorides
08/31/1994CN1091421A Novel di- and polyamino compounds for use in the preparation of polyurethanes
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