| Patents for C07C 265 - Derivatives of isocyanic acid (3,263) |
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| 01/23/1985 | EP0131859A2 Process for the preparation of 2,2-Dialkylpropyl isocyanates substituted in position 3 by heterocycles or by the dialkylamino group |
| 01/22/1985 | US4495107 Process for producing alkali metal cyanates |
| 01/09/1985 | EP0130875A1 Process for the halogenation-nitration fluorination of aromatic compounds |
| 12/19/1984 | EP0128382A1 1-Alkyl-2-isocyanatomethyl-isocyanato-cyclohexanes and/or 1-alkyl-4-isocyanato-methyl-isocyanato-cyclohexanes and the like diamines, processes for their preparation, and use |
| 12/04/1984 | US4486603 Stereospecific, from cyclohexane-1,4-dicarboxylic acid or ester |
| 12/04/1984 | CA1178968A1 Process for the preparation of polyisocyanates |
| 11/28/1984 | EP0126300A1 Multi-step process for the production of 3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanates |
| 11/28/1984 | EP0126299A1 Multi-step process for the preparation of 1,6-hexamethylenediisocyanate and for isomeric aliphatic diisocyanates |
| 11/27/1984 | CA1178604A1 Low temperature storage stable liquid diphenylmethane diisocyanates |
| 11/27/1984 | CA1178603A1 2,2,4,4-tetraalkyl-1,3-cyclobutanediol modified diphenylmethane diisocyanate |
| 11/21/1984 | EP0125726A1 Improved process for preparing alkyl isocyanates |
| 11/21/1984 | EP0125591A1 Trialkyl-substituted aromatic diisocyanates |
| 11/20/1984 | CA1178292A1 Self-granulating reaction product of 4,4'- diphenylmethane diisocyanate and resorcinol |
| 11/20/1984 | CA1178291A1 Process for the continuous thermal cleavage of carbamic acid esters and preparation of isocyanates from the products thereof |
| 11/14/1984 | EP0125169A1 Liquid composition containing diisocyanates with a diphenyl methane structure, and process for its preparation |
| 11/13/1984 | US4482499 Process for the preparation of isocyanates by thermal cleaving of urethanes |
| 10/31/1984 | EP0123412A1 Method for manufacture of diphenylmethane diisocyanates |
| 10/31/1984 | EP0123352A1 Aliphatic diisocyanate |
| 10/23/1984 | US4478757 Process for the manufacture of aromatic isocyanates |
| 10/23/1984 | CA1176647A1 Production of isocyanates from esters of aromatic carbamic acids (urethanes) |
| 10/17/1984 | EP0122031A1 Process for producing alkali metal cyanates |
| 10/16/1984 | US4477389 Polyhalogenated phenyl isocyanate synthesis with excess phosgene and either triethylamine or tetramethylurea |
| 10/03/1984 | EP0120254A1 Process for the preparation of polyisocyanates, polyisocyanates obtained by this process and their use in the preparation of polyurethanes or polyamines |
| 10/03/1984 | EP0120193A1 Aliphatic isocyanate compounds |
| 09/25/1984 | CA1175061A1 N'-phenyl-n-methylurea derivatives, and their production and use |
| 09/11/1984 | US4470930 Preparation of nuclear chlorinated aromatic compounds |
| 08/29/1984 | EP0116847A2 Process for using sediments developed during storage of pure MDI |
| 08/28/1984 | US4468405 Insecticides |
| 08/21/1984 | US4467114 Preparation of trans cyclohexane 1,4-diurea |
| 08/14/1984 | US4465639 Process for polyisocyanates |
| 08/14/1984 | US4465638 Heating in presence of crude mdi |
| 08/08/1984 | EP0115298A2 Process for preparing polyisocyanates containing isocyanurate groups, compounds obtainable by this process, and their use for preparing polyurethanes |
| 08/08/1984 | EP0114970A2 Improved process for the preparation of polymethylene polyphenyl polyisocyanates |
| 07/17/1984 | CA1171193A1 Wax dispersions |
| 07/17/1984 | CA1171097A1 Polyisocyanates of the diphenyl methane series and process for the production thereof |
| 07/11/1984 | EP0113044A2 Diisocyanates or mixtures of diisocyanates, process for their production, as well as their use in the production of polyurethanes |
| 07/11/1984 | EP0113043A1 Diisocyanates or mixtures of diisocyanates, method for their preparation and their use in the prepration of synthetic materials of the polyurethane type |
| 07/10/1984 | US4459236 Preparation of 1-alkenyl isocyanates |
| 07/03/1984 | US4457871 Preparation of trans cyclohexane,1,4-diisocyanate and related compounds |
| 06/19/1984 | US4455260 Preparation of alk-1-enyl isocyanates |
| 06/12/1984 | US4454296 Triisocyanates and their production and use |
| 05/02/1984 | EP0107577A1 Isocyanates having a diphenyl methane structure and a process for their preparation |
| 04/25/1984 | EP0106138A1 Continuous process for the hot phosgenation of amines |
| 04/25/1984 | EP0106038A1 Method for the preparation of isocyanic acid or aliphatic isocyanates by an oxidative dehydratation of formamides |
| 04/24/1984 | CA1166395A1 Composition for polyurethane adhesives |
| 04/04/1984 | EP0104551A1 Cycloaliphatic diisocyanates, possibly in the form of a mixture of isomers, method for their preparation and their use as starting products in the preparation of synthetic products of the polyurethane type |
| 04/04/1984 | EP0104531A1 Cycloaliphatic diisocyanates, possibly in the form of a mixture of isomers, method for their preparation and their use as starting products in the preparation of synthetic products of the polyurethane type |
| 03/27/1984 | US4439616 Tertiary aralkyl urethanes and isocyanates derived therefrom |
| 03/27/1984 | US4439370 Preparation of trans cyclohexane 1,4-diisocyanate |
| 03/27/1984 | US4439369 Halogenated, tertiary diisocyanates and their preparation |
| 03/20/1984 | US4437880 Herbicides |
| 03/07/1984 | EP0101832A1 Tertiary aralkyl urethanes and isocyanates derived therefrom |
| 02/14/1984 | US4431455 Wax dispersions and their use in the manufacture of sheets or moulded bodies |
| 02/08/1984 | EP0100047A1 Process for the preparation of hexamethylene diisocyanate-1,6 and/or of the isomeric diisocyanates with 6 carbon atoms in the alkyl group |
| 02/07/1984 | US4430505 Urea, primary amines, alcohols |
| 02/07/1984 | US4430262 Oxidative conversion of oxamic acids, salts, and oxyanilides |
| 01/24/1984 | US4427438 Herbicides |
| 01/24/1984 | CA1161057A1 1-monohalogenated isocyanates and the preparation of mixtures of 1-monohalogenated isocyanates and 1,2-unsaturated isocyanates |
| 01/04/1984 | EP0097243A1 Process for the separation of technically pure 2,4-diisocyanotoluene, or of mixtures of isomers having an increased content of 2,4-diisocyanotoluene, from mixtures essentially consisting of 2,4- and 2,6-diisocyanotoluene |
| 12/27/1983 | US4422976 Continuous preparation of organic isocyanates |
| 12/20/1983 | CA1159075A1 Preparation of 1-haloalkyl isocyanates and 1-alkenyl isocyanates |
| 12/06/1983 | US4419295 Continuous process for the production of organic isocyanates |
| 11/29/1983 | US4418211 Monomers |
| 11/08/1983 | US4414074 Process for the purification of 4,4'-diisocyanatodiphenylmethane by plural distillations |
| 11/02/1983 | EP0092738A1 Process for the continuous thermal decomposition of carbamic-acid esters |
| 10/26/1983 | EP0092454A1 Halogenated aromatic isocyanates or their mixtures having a diphenyl-methane structure |
| 10/18/1983 | US4410597 Polyurethane resins and polyurethane resin coating compositions |
| 10/12/1983 | EP0091054A1 1-Alkyl-2-isocyanatomethyl-isocyanato phenyl and/or 1-alkyl-4-isocyanatomethyl-isocyanato phenyl, method for their preparation and use |
| 09/20/1983 | US4405527 Process for the preparation of polyisocyanates |
| 09/14/1983 | EP0088223A1 Manufacture of isocyanates |
| 09/14/1983 | EP0088218A1 Preparation of tertiary alkyl isocyanates |
| 08/24/1983 | EP0086424A1 Method for the preparation of 1-alkenylisocyanates |
| 08/16/1983 | US4399074 From the halide, catalyst complex of zinc salt, pyridine and alkali metal cyanate |
| 08/16/1983 | US4399073 From the halide and alkali metal cyanate, water |
| 07/26/1983 | US4395369 Manufacture of isocyanate |
| 07/20/1983 | EP0083685A1 Manufacture of diisocyanates |
| 07/19/1983 | US4394495 Diisocyanates useful as a structural component in the preparation of polyurethane plastics |
| 07/12/1983 | US4393002 ε-Caprolactam blocked diisocyanates |
| 07/05/1983 | US4391758 Process for methyl isocyanate production |
| 06/28/1983 | CA1148972A1 Separating toluene diisocyanate and/or higher boiling solvents from distillation residues of the toluene diisocyanate manufacture using a fluidized bed |
| 06/21/1983 | US4389519 Tris/isocyanatomethyl/benzene or cyclohexane |
| 06/14/1983 | US4388246 Process for the preparation of polyisocyanates |
| 05/31/1983 | US4386033 Boiling, condensation of vapors, circulation; separation |
| 05/31/1983 | US4386032 Liquid polyisocyanate compositions |
| 05/25/1983 | EP0079516A2 Process for making 4,4'-diisocyanatodiphenyl methane |
| 05/24/1983 | US4384999 From an amike hydrohalide and phosgene then reacting with an urea |
| 05/24/1983 | CA1146957A1 Diisocyanates and diisocyanate mixtures based on diphenylmethane, processes for their production and their use as isocyanate component in the production of polyurethane plastics by the isocyanate polyaddition process |
| 05/11/1983 | EP0078729A1 Process for preparing aromatic isocyanates by carbonylation of nitro compounds in the presence of supported catalysts prepared from heteropolymetallic complexes |
| 05/04/1983 | EP0078005A1 Method for the preparation of isocyanates by pyrolysis of urethanes |
| 04/26/1983 | US4381405 Process for the preparation of polymethylene polyphenyl polyisocyanate composition |
| 04/26/1983 | CA1145237A1 Preparation of polymeric isocyanate containing release agent |
| 04/20/1983 | EP0077105A1 Diisocyanate |
| 04/20/1983 | EP0077104A1 Oligomer of a diisocyanate |
| 04/19/1983 | US4380647 2-Aminopyrrolin 5-ones and aminocyclopropyl isocyanates therefrom |
| 04/12/1983 | US4379767 Manufacture of isocyanates |
| 04/12/1983 | CA1144564A1 Process for the preparation of n,o- disubstituted urethanes useful for the preparation of isocyanates |
| 04/12/1983 | CA1144562A1 Process for the production of urethanes useful in the production of isocyanates |
| 04/05/1983 | US4378992 Urea derivatives, and their production and use |
| 03/23/1983 | EP0074561A2 Cyclic ceto-butyraldehydes, process for their preparation and their use in the preparation of cyclic diisocyanates |
| 03/22/1983 | US4377530 From olefin and isocyanic acid |