| Patents for C07C 263 - Preparation of derivatives of isocyanic acid (3,065) |
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| 03/25/1980 | US4195032 Process for continuously working up solutions of the type accumulating in the phosgenation of monoamines |
| 03/25/1980 | US4195031 Thermal decomposition of n-alkyl carbamic acid aryl ester |
| 03/18/1980 | US4194052 Method of preparing novel sulfonic acid salts of acyloxyalkylamines and polymers and compounds therefrom |
| 03/18/1980 | US4193932 From amines and phosgene, purification of product with hydrogen chloride, degassing |
| 03/11/1980 | US4192815 Method of preparing isocyanates |
| 11/27/1979 | US4176232 Isocyanate intermediates |
| 11/27/1979 | US4176132 Using a solvent mixture of an acetyl or alkyl derivative of a di-or monoethylene glycol and trimethyl- and/or triethyl phosphate |
| 09/11/1979 | CA1062274A1 Triisocyanates and the use thereof |
| 08/28/1979 | US4166067 Process for the preparation of alkoxymethyl-isocyanates |
| 08/22/1979 | EP0003570A1 Process for continuously working up solutions produced by phosgenating monoamines |
| 07/31/1979 | US4163019 Formaldehyde condensed with an n-phenol alkylcarbamate, reaction with phenyl isocyanate to effect an exchange reaction |
| 07/24/1979 | US4162263 Manufacture of aliphatic or cycloaliphatic isocyanates |
| 07/11/1979 | EP0002708A1 Method for the continuous production of monoisocyanates |
| 05/08/1979 | US4153624 Preparation of organic isocyanates |
| 05/02/1979 | EP0001603A2 Process for preparing isocyanates |
| 05/01/1979 | US4152348 Inhibition of color formation on storage |
| 04/24/1979 | US4151193 Process for the preparation of aliphatic isocyanates |
| 03/27/1979 | US4146550 Process for the preparation of an aliphatic monoisocyanate |
| 02/27/1979 | US4141913 Method of generating lower alkyl and cycloalkyl isocyanates |
| 02/20/1979 | CA1049029A1 Production of isocyanates from lower alkyl esters of mononuclear aromatic carbamic acids |
| 02/13/1979 | CA1048523A1 Recovery of solvents employed in the production of isocyanates from esters of carbamic acids (urethanes) |
| 02/07/1979 | EP0000602A1 Process for the preparation of isocyanates from formamides |
| 01/30/1979 | CA1047519A1 Production of isocyanates |
| 01/24/1979 | EP0000463A1 Method for separating toluene diisocyanate from fabrication process residues |
| 01/10/1979 | EP0000144A1 Process for preparing 2-isocyanatoalkyl esters of unsaturated carboxylic acids |
| 01/09/1979 | US4133868 Reacting an acyl fluoride with a metal salt of an organic carbamic acid |
| 12/19/1978 | US4130577 Process for preparing α, α-dimethylbenzyl isocyanates |
| 12/19/1978 | US4130576 Method for preparing isocyanates from halosilyl carbamates |
| 12/05/1978 | US4128569 Continuous manufacture of organic isocyanates |
| 10/31/1978 | US4123450 Process for preparing alkyl isocyanates |
| 06/20/1978 | US4096165 Phosgene, primary aromatic amine |
| 05/09/1978 | US4088674 Novel ester isocyanates |
| 04/04/1978 | US4082787 Thermal dehydrochlorination of methyl carbamyl chloride |
| 03/28/1978 | US4081472 Process for preparation of aromatic isocyanates |
| 02/28/1978 | US4076577 Process for the separation of residues of toluenediisocyanate production |
| 01/24/1978 | US4070391 Process for producing isocyanate from nitro compounds and carbon monoxide using rhodium oxide catalysts |
| 01/17/1978 | US4069238 Manufacture of aliphatic isocyanates |
| 12/27/1977 | US4065362 Purification of organic isocyanates |
| 12/20/1977 | US4064151 Isocyanate intermediates |
| 11/22/1977 | US4059610 Process for preparing isocyanic acid derivatives |
| 11/01/1977 | US4056547 Process for the preparation of organic isocyanate compounds |
| 08/30/1977 | US4045462 Bicyclic triisocyanates |
| 07/12/1977 | US4035404 Cyanoformamidyl isocyanates and synthesis thereof |
| 06/14/1977 | US4029686 Production of isocyanates |
| 01/18/1977 | US4003938 Thermal decomposition of beta-naphthyl carbamates |
| 01/04/1977 | US4001290 Lacquers, coatings, adhesives, telomers, foam plastics |
| 11/16/1976 | US3992430 Process for preparing aromatic isocyanates |
| 11/09/1976 | US3991094 Thermal decomposition |
| 09/07/1976 | US3979427 Rhodium trichloride and cobalt iodide catalyst |
| 09/07/1976 | US3979421 Ketimines, polyisocyanates |
| 08/31/1976 | US3978105 Manufacture of organic isocyanates |
| 08/03/1976 | US3972910 Multistage, chlorination of 2,4 or 2,6-toluenediamine, phosgene |
| 07/13/1976 | US3969389 Manufacture of aliphatic isocyanates |
| 07/13/1976 | US3969388 Manufacture of alkylisocyanates |
| 06/08/1976 | US3962302 Production of isocyanates from esters of carbamic acids (urethanes) |
| 06/08/1976 | US3962301 Heating, dephosgenation |
| 06/01/1976 | US3960916 From primary amines, hydrochloric acid, phosgene, thermal decomposition |
| 06/01/1976 | US3960915 Pyrolysis of 5-isopropenyl-1,3,4-dioxazolinone-2 |
| 06/01/1976 | US3960914 Ruthenium, palladium, platinum dehydrogenation catalysts |
| 05/11/1976 | US3956468 Process for the preparation of carbonyldiisocyanate |
| 04/20/1976 | US3952042 From an arylamine and formaldehyde |
| 04/06/1976 | US3948966 Process for preparing benzene derivatives having isocyanatomethyl group |
| 03/30/1976 | US3947484 Continuous prephosgenation process for the production of organic isocyanates |
| 03/02/1976 | US3941822 Process for the preparation of methylene-bridged diaryl isocyanates |
| 02/03/1976 | US3936484 Production of isocyanates from substituted ureas |