| Patents for C07C 241 - Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes (2,288) |
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| 09/15/1981 | US4289905 2-Aza-1,3-dienes |
| 09/15/1981 | US4289589 Product from phosgenation of toluenediamines |
| 09/15/1981 | CA1109077A1 2-hydrazonopropionic acid derivatives and the preparation thereof |
| 09/08/1981 | CA1108626A1 3- and 4-azidophthalic acid derivatives |
| 09/08/1981 | CA1108609A1 Process for the production of 1-anthraquinonyl hydrazine |
| 09/01/1981 | US4287210 Microbicidal meta oxy- and thio-substituted phenylanilines |
| 09/01/1981 | CA1108181A1 Process for separating a mixture of an optically active fenylglycine amide and an optically active fenylglycine |
| 09/01/1981 | CA1108168A1 Herbicides |
| 08/27/1981 | EP0020753A4 Skin-equivalent. |
| 08/26/1981 | EP0034285A2 Process for the preparation of 1-alkyl-1-phenyl hydrazines |
| 08/25/1981 | US4286108 Process for preparing hydrazines |
| 08/25/1981 | US4285874 1-Isocyanato-anthraquinones |
| 08/18/1981 | US4284705 Photosensitive diazo salt compositions and lithographic plate comprising same |
| 08/04/1981 | CA1106389A1 2-(phenylalkylhydrazono)-propionic acid derivatives and the preparation thereof |
| 07/29/1981 | EP0032837A1 Zwitterionic surfactant compounds and detergent compositions containing them |
| 07/28/1981 | US4281198 Reacting trimethylanilinium halide with hydrazine or monomethylhydrazine |
| 07/28/1981 | US4281195 In the presence of a catalyst |
| 07/21/1981 | US4279815 Production of high-quality aromatic amino azo compounds by the rearrangement of 1,3-diaryl triazenes |
| 07/15/1981 | EP0032011A1 Modified isocyanate compositions |
| 07/14/1981 | US4278809 Process for preparing 2-isocyanatoalkyl esters of organic carboxylic acids |
| 07/08/1981 | EP0031650A1 Process for preparing liquid polyisocyanate compositions, and their use |
| 07/08/1981 | EP0031645A2 Process for the production of azo compounds |
| 07/07/1981 | US4277621 Substituted 11-amino-undeca-4,8-dienal and 11-amino-undecanal derivatives and processes for their preparation |
| 06/30/1981 | US4276228 1,6,11-Undecane triisocyanate |
| 06/30/1981 | CA1104151A1 Hydrazinium phosphites (fungicides) |
| 06/30/1981 | CA1104148A1 Production of isocyanates |
| 06/23/1981 | US4275223 Preparation of trans-cyclohexane-1,4-diurethanes |
| 06/23/1981 | US4275078 N-Benzoyl-N'-halogenoalkylidenehydrazine derivatives, process for preparing same, and agricultural and horticultural fungicide comprising such derivatives |
| 06/23/1981 | US4275003 Preparation of aromatic azoamines by diazotization/coupling/rearrangement of aromatic amines |
| 06/16/1981 | CA1103275A1 Process for controlling the catalytic cooligomerisation of 1,3-dienes with schiff's bases |
| 05/26/1981 | US4269767 Diazotization of aromatic amines |
| 05/26/1981 | US4269720 N-(2-amino-3-ethyl-alpha-methylbenzylidene)-2,6-diethyl aniline |
| 05/26/1981 | CA1101871A1 Long-chain fatty acid amides and hydrazides and cyclopropano analogues thereof, their production and their use as anti-atherosclerotic agents |
| 05/20/1981 | EP0028781A1 Polyisocyanate mixtures of the diphenylmethane series and their use as additives in adhesives |
| 05/20/1981 | EP0028724A1 Process for preparing aryl isocyanates by thermal decomposition of aryl urethanes |
| 05/20/1981 | EP0028723A1 Process for the preparation of N,N'-diformyl hydrazine |
| 05/19/1981 | US4268437 Continuous diazotization of amines |
| 05/13/1981 | EP0028338A2 Process for preparing aromatic di- and/or polyisocyanates |
| 05/13/1981 | EP0028337A2 Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl-polymethylene polyisocyanates |
| 05/12/1981 | US4267175 For use as an antiemetic, and treatment for gastrointestinal disorders |
| 05/12/1981 | CA1100988A1 Phenoxy-alkane carboxylic acids derivatives |
| 05/06/1981 | EP0028203A1 Process for carrying off the reaction heat from exothermal chemical reactions and apparatus for carrying out the process |
| 05/06/1981 | EP0027953A1 Process for preparing N,O-disubstituted urethanes |
| 05/06/1981 | EP0027943A1 Working-up process for cross-linked isocyanate-distillation residues containing urea groups, and the use of the products thus obtained as starting material in the production of plastics |
| 05/05/1981 | CA1100522A1 Preparation of trans cyclohexane 1,4 diisocyanate and related compounds |
| 04/29/1981 | EP0027645A1 Process for preparing hydrazines |
| 04/29/1981 | EP0027555A1 Process for the preparation of diphenyl ethers |
| 04/21/1981 | CA1099733A1 Process for preparing 2-isocyanatoalkyl esters of unsaturated carboxylic acids |
| 04/14/1981 | US4261731 Alpha-isocyano-carboxylic acid amide compounds and plant growth regulant compositions |
| 04/01/1981 | EP0026040A1 Substituted benzophenone hydrazones, pesticidal compositions containing them and method of combating pests |
| 04/01/1981 | EP0025907A1 Halogenated tertiary alkyl isocyanates and process for their preparation |
| 04/01/1981 | EP0025906A1 1-Monohalogenated isocyanates; process for the preparation of mixtures of 1-monohalogenated isocyanates and 1-2-unsaturated isocyanates |
| 03/31/1981 | US4259255 Isocyanatoaryl sulfonates |
| 03/25/1981 | EP0025552A1 Process for the preparation of 1-haloalkyl isocyanates and 1-alkenyl isocyanates |
| 03/25/1981 | EP0025505A2 N.N'-Bis-salicyloyl hydrazine as metal stabilizer |
| 03/24/1981 | US4258181 Bactericides, amtitumor agents, anticarcinogenic agents |
| 03/24/1981 | US4258169 Heating phosphate and isocyanate |
| 03/24/1981 | US4257995 Storage stability |
| 03/24/1981 | US4257974 Process for the preparation of α,β-dihaloalkyl isocyanates |
| 03/17/1981 | CA1097623A1 Process for the preparation of aromatic aminoazo compounds from aromatic amines via diazotisation, coupling and rearrangement |
| 03/11/1981 | EP0024665A1 Diisocyanates or mixtures of diisocyanates of the diphenyl-methane series, process for their preparation and their use as a synthesis component to produce polyurethane plastics according to the isocyanate-polyaddition process |
| 03/11/1981 | EP0024555A1 Process for the production of diisocyanato toluene mixtures contaning an increased amount of 2,6-diisocyanato toluene and production of polyurethane elastomers using these mixtures |
| 03/03/1981 | US4254128 2-Adamantyl hydrazines and biocidal compositions thereof |
| 03/03/1981 | CA1096876A1 Method for preparing halosilyl carbamates and isocyanates derived therefrom |
| 02/24/1981 | CA1096393A1 Process for the preparation of an aliphatic monoisocyanate |
| 02/17/1981 | US4251401 Suspensions of isocyanate distillation residues in polyols |
| 02/17/1981 | CA1095735A1 Herbicidal compositions |
| 02/11/1981 | EP0023649A1 Process for preparing alicyclic isocyanates |
| 02/10/1981 | US4250096 3- and 4-Azidophthalic acid derivatives |
| 02/03/1981 | US4248800 Manufacture of organic hydrazines |
| 02/03/1981 | CA1095042A1 Heterocyclic phenyl ethers and herbicides containing same |
| 01/28/1981 | EP0023015A2 Separation of 2,4-tolylene diisocyanate from mixtures of 2,4- and 2,6-tolylene diisocyanate |
| 01/28/1981 | EP0022959A1 Process for the preparation of diazoniumtetrafluoroborates in a diluted aqueous solution |
| 01/28/1981 | EP0022942A1 Process for preparing diazoniumtetrafluoroborates with nitrosyltetrafluoroborate, and their use |
| 01/27/1981 | US4247666 Caprolactam-capped xylylene diisocyanate |
| 01/20/1981 | US4246200 Perfluoro intermediates and processes for their preparation |
| 01/20/1981 | US4246187 Separation of 2,4-tolylene diisocyanate from mixtures of 2,4- and 2,6-tolylene diisocyanate |
| 01/20/1981 | CA1094241A1 High molecular weight, insoluble carbodiimidization catalysts |
| 01/20/1981 | CA1094096A1 Process for producing 4-acyl-amido-4,4-dicarboxy- butanal phenyl hydrazone |
| 01/20/1981 | CA1094090A1 No translation available |
| 01/13/1981 | CA1093570A1 Benzophenone hydrazones |
| 01/07/1981 | EP0021314A1 Di- or polyisocyanates partially blocked with alcanolamines and stabilised and process for preparing them |
| 01/07/1981 | EP0021229A1 Arylazo compounds, their preparation and their use |
| 01/07/1981 | EP0021067A1 Triisocyanates, a process for their production, their use for the production of polyurethanes and a coating composition comprising these polyurethanes |
| 01/07/1981 | EP0021039A2 Process for preparing aromatic azomethines |
| 01/07/1981 | EP0020753A1 Skin-equivalent. |
| 01/06/1981 | US4243739 Silver halide photographic light-sensitive material |
| 01/06/1981 | CA1093095A1 Amines |
| 12/23/1980 | US4241164 Highly-sensitive high-contrast photographic materials |
| 12/23/1980 | US4240977 Intermediate for tetrachloropyrimidine |
| 12/16/1980 | CA1091684A1 Low-temperature storage stable liquid diphenylmethane diisocyanates |
| 12/16/1980 | CA1091683A1 Low-temperature storage stable liquid diphenylmethane diisocyanates |
| 12/10/1980 | EP0020138A2 N-(2-amino-3-ethyl-alpha-methylbenzylidene)-2,6-diethylaniline and its preparation; antioxidant additive mixtures including said compound; the use of said compound, said additive mixtures and certain alkylated anilines as antioxidants for organic materials; and organic materials afforded antioxidant protection as aforesaid |
| 12/09/1980 | US4238404 N-chloroamide, tertiary amine |
| 12/09/1980 | CA1091238A1 Isoindol derivatives |
| 11/26/1980 | EP0019517A1 Process for the preparation of organic isocyanates from nitro compounds |
| 11/18/1980 | US4234478 Process and apparatus for the diazotization of amines |
| 11/13/1980 | WO1980002424A1 Substituted 9,10-anthracene-byshydrazones |
| 11/12/1980 | EP0018850A1 Substituted 9,10-anthracene-bis hydrazones and pharmaceutical compositions containing same |
| 11/12/1980 | EP0018510A1 N-acylated alpha-naphthyl amines, their preparation and their use as plant fungicides, and plant-fungicidal agents containing them |