| 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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| 08/23/1983 | US4400536 Benzylidene derivatives |
| 08/23/1983 | US4400394 Benzylidene derivatives |
| 08/16/1983 | US4399148 Hydroxyarylalkyleneaminoaryl carbamates and derivatives thereof useful as insecticidal compositions |
| 08/16/1983 | CA1152081A1 Acylated naphthylamines, processes for their manufacture and their use as plant fungicides |
| 08/16/1983 | CA1151934A1 Light-sensitive mixture including an o- or p-quinone diazide or acid cleavable compound and a phenol derivative with methylene oxy groups |
| 08/10/1983 | EP0085529A2 Cyclohexane dione derivatives, their use as herbicides, herbicidal compositions containing them, and methods of preparing them |
| 08/09/1983 | CA1151673A1 Benzylidene derivatives, their preparation and compositions containing them |
| 08/03/1983 | EP0084783A1 Process for preparing N-isopropylidene amines |
| 08/02/1983 | CA1151192A1 Microbicidal composition |
| 07/27/1983 | EP0084147A2 Phenyl hydrazones and their use |
| 07/20/1983 | EP0083685A1 Manufacture of diisocyanates |
| 07/19/1983 | US4394521 Process for the production of the Schiff's bases of 2,6-dichloro-5-hydroxy-aniline |
| 07/19/1983 | US4394495 Diisocyanates useful as a structural component in the preparation of polyurethane plastics |
| 07/19/1983 | US4394387 Compositions and method of combatting pest employing substituted benzophenone hydrozones or semicarbazones |
| 07/19/1983 | US4394309 Deacylation, bromination |
| 07/19/1983 | CA1150294A1 Herbicidal trifluoromethylphenoxyphenoxy propionic acid derivatives |
| 07/12/1983 | US4393002 ε-Caprolactam blocked diisocyanates |
| 07/05/1983 | US4391958 Aldimines and ketimines of 1,3,5-(aminomethyl)benzene or cyclohexane and their use as curing agents for epoxy and poylurethane resins |
| 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 |
| 06/21/1983 | US4389236 Herbicidal 3-phenoxymethylene-anilines |
| 06/21/1983 | CA1148530A1 Amine antioxidant |
| 06/14/1983 | US4388246 Process for the preparation of polyisocyanates |
| 06/14/1983 | CA1148173A1 Preparation of aromatic azomethines |
| 06/07/1983 | US4387152 Light-sensitive mixture and copying material prepared therefrom, and process for the preparation of a printing form from the copying material |
| 06/07/1983 | US4387104 Hypoglycemic agents |
| 06/07/1983 | US4387005 Process and apparatus for carrying out the first stage of separation of constituents of a reaction mixture obtained during synthesis of asymmetric dimethylhydrazine by the Raschig method |
| 06/01/1983 | EP0080276A1 Azocarboxylic esters useful as polymerisation initiators |
| 06/01/1983 | EP0080275A1 Preparation of azoiminoether hydrochlorides from azonitriles and their hydrolysis to azocarboxylic esters |
| 05/31/1983 | US4386099 Imidazolylphenyl amidines, pharmaceutical compositions containing same and use thereof |
| 05/31/1983 | US4386033 Boiling, condensation of vapors, circulation; separation |
| 05/25/1983 | EP0079516A2 Process for making 4,4'-diisocyanatodiphenyl methane |
| 05/24/1983 | CA1146974A1 Process for the preparation of n,n'- diformylhydrazine |
| 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 |
| 05/24/1983 | CA1146948A1 2-¬2-HYDROXY-3,5-DI-(.alpha.,.alpha.-DI-METHYLBENZYL) PHENYL|- 2H-BENZOTRIAZOLES AND STABILIZED COMPOSITIONS |
| 05/17/1983 | US4383948 Hydrazone derivatives containing a quaternary ammonium group useful as UV absorbers |
| 05/11/1983 | WO1983001617A1 Acrylamidoacylated oligomers |
| 05/11/1983 | EP0078729A1 Process for preparing aromatic isocyanates by carbonylation of nitro compounds in the presence of supported catalysts prepared from heteropolymetallic complexes |
| 05/03/1983 | CA1145760A1 Benzylidene derivatives, their preparation and compositions containing them |
| 05/03/1983 | CA1145745A1 Process for the preparation of n,n-dimethyl-n-(2- bromo-4-methyl-phenyl)-triazene |
| 04/26/1983 | US4381405 Process for the preparation of polymethylene polyphenyl polyisocyanate composition |
| 04/26/1983 | US4381398 Amino-alcohol derivatives |
| 04/26/1983 | CA1145237A1 Preparation of polymeric isocyanate containing release agent |
| 04/20/1983 | EP0077105A1 Diisocyanate |
| 04/20/1983 | EP0077104A1 Oligomer of a diisocyanate |
| 04/12/1983 | US4379767 Manufacture of isocyanates |
| 04/12/1983 | CA1144564A1 Process for the preparation of n,o- disubstituted urethanes useful for the preparation of isocyanates |
| 04/06/1983 | EP0003666B1 Oxabicyclo 3.1.0 hexanes useful in the production of cyclopropanecarboxylate insecticides and intermediate compounds |
| 03/23/1983 | EP0074561A2 Cyclic ceto-butyraldehydes, process for their preparation and their use in the preparation of cyclic diisocyanates |
| 03/23/1983 | EP0074488A1 2-Azido-3-benzyloxy-propionic-acid benzyl ester, process for its preparation and its use |
| 03/22/1983 | US4377530 From olefin and isocyanic acid |
| 03/09/1983 | EP0073404A1 Process for making arylisocyanide dichlorides |
| 03/08/1983 | CA1142545A1 Benzamide derivatives |
| 02/16/1983 | EP0071901A1 Process for the production of 1,3-diaryl triazenes |
| 02/16/1983 | EP0071839A1 Aromatic diisocyanates having N,N-disubstituted sulfonamido groups, their method of preparation and their use in the preparation of polyurethanes |
| 02/09/1983 | EP0071500A1 Process for the preparation of 4-aminobutyramide |
| 02/09/1983 | EP0071279A1 Substituted N-aroyl N'-phenyl urea compounds |
| 02/09/1983 | EP0071080A2 Process for preparing polyisocyanates |
| 02/08/1983 | US4372776 Compounds for the loosening of fruit and/or leaves on plants |
| 02/01/1983 | CA1140583A1 Separation of 2,4-tolylene diisocyanate from mixtures of 2,4- and 2,6-tolylene diisocyanate |
| 01/25/1983 | US4370502 Process for producing p-nitroaniline |
| 01/25/1983 | US4370499 Chemical intermediates for color photography |
| 01/19/1983 | EP0070155A1 Process of preparing a ketazine from a ketone |
| 01/18/1983 | CA1139768A1 Mixed salts of essential or semi-essential amino acids and nitrogen-free analogues thereof and uses in treatment of renal and hepatic disorders |
| 01/05/1983 | EP0068506A1 Process for the preparation of enamines or imines |
| 01/05/1983 | EP0068220A1 Low temperature storage stable liquid diphenylmethane diisocyanates |
| 12/22/1982 | EP0067503A1 Hydroxyaryliminoaryl carbamates, imine bisphenols and derivatives thereof useful as insecticidal compositions |
| 12/22/1982 | EP0067463A1 A process for the preparation of isocyanates and/or derivatives thereof |
| 12/21/1982 | US4364875 Process for the preparation of certain diphenyl ethers |
| 12/14/1982 | CA1137513A1 Process for the preparation of schiff's bases by the reaction of aromatic amines with ketones |
| 12/14/1982 | CA1137512A1 Process for preparation of hydrazobenzenes by catalytic hydrogenation of nitrobenzenes |
| 12/08/1982 | EP0066130A1 2,2,4,4-Tetraalkyl-1,3-cyclobutanediol modified diphenylmethane diisocyanate |
| 12/07/1982 | CA1137109A1 N,n'-diphenylhydrazine derivative |
| 12/07/1982 | CA1137097A1 Diphenyl ether derivatives and herbicides containing same |
| 12/01/1982 | EP0065727A1 Process for the continuous production of organic mono or polyisocyanates |
| 11/30/1982 | US4361518 Reaction of tert-benzyl halides with isocyanic acid |
| 11/23/1982 | US4360669 Crude ribose, dimethyl aniline and boric acid followed by hydrogenation |
| 11/23/1982 | US4360531 Substituted cycloalkanes |
| 11/16/1982 | US4359476 N-(2-amino(oxy or thio group)substituted cycloaliphatic) phenylacetamide or benzamide compounds |
| 11/16/1982 | CA1135690A1 Substituted 9,10-anthracene-bis-hydrazones |
| 11/02/1982 | CA1134838A1 Acylaniline derivatives useful as pesticides |
| 10/19/1982 | US4355177 Substituted 11-amino-undeca-4,8-dienal and 11-amino-undecanal derivatives and processes for their preparation |
| 10/19/1982 | US4354979 Decomposition of n,n'-disubstituted allophanic esters in an organic carbonate |
| 10/19/1982 | US4354976 Process for the preparation of azidobenzal compounds |
| 10/05/1982 | US4352941 Process for purification of phenylhydrazine |
| 09/29/1982 | EP0061013A1 Process for the preparation of polyisocyanates |
| 09/28/1982 | CA1132598A1 Phenylether compounds and a process for the preparation thereof |
| 09/14/1982 | US4349484 Process for the manufacture of mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates |
| 09/07/1982 | US4348538 Imines, glyocylic acids, benzoyl cyanides |
| 09/01/1982 | EP0058896A1 Method for the preparation of isocyanates of carboxylic esters |
| 08/25/1982 | EP0058368A1 Mixtures of homologues and isomers of diisocyanates and their use as starting components for the manufacture of polyurethane plastics |
| 08/25/1982 | EP0058296A1 Method of controlling batchwise conducted diazotization reactions |
| 08/24/1982 | CA1130305A1 Process for the preparation of n,n'-disubstituted 2-naphthaleneethanimidamide and intermediates used therein |
| 08/18/1982 | EP0057862A1 Partially carbodiimidised methylene bis (phenylisocyanate) having low temperature storage stability, a process for its preparation and its application as a starting material for the diisocyanate-polyaddition reaction |
| 08/18/1982 | EP0057772A2 Halogenated, tertiary diisocyanates and process for their preparation |
| 08/17/1982 | US4344893 Substituted benzophenone hydrazones |
| 08/17/1982 | US4344891 Halogenated tertiary alkyl isocyanates and their preparation |
| 08/17/1982 | US4344855 Process for the production of polyisocyanates which contain carbodiimide groups and which are stable in storage |
| 08/03/1982 | CA1128932A1 Process for the preparation of aryl-diazonium salts from nitrous fumes containing high nitric oxide |
| 07/27/1982 | CA1128522A1 Substituted 11-amino-undeca-4,8-dienal and 11-amino-undecanal-aldehyde derivatives and processes for their preparation |