Patents
Patents for C07C 241 - Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes (2,288)
11/1980
11/11/1980US4233213 Analyzing
11/04/1980US4231952 Decomposition of aliphatic carbamoyl chloride in the presence of a high-boiling mono- or diisocyanate
11/04/1980CA1088946A1 Stabilized polyolefin composition
10/1980
10/29/1980EP0017972A1 Fluidised-bed recovery of tolylene diisocyanate and/or high boiling solvents from distillation residues of the production of tolylene diisocyanate
10/28/1980CA1088530A1 Blocked isocyanate
10/28/1980CA1088528A1 Method of producing 2-halomethyl-1,4-benzodiazepines
10/21/1980CA1088097A1 Process for preparing n'-methyl acethydrazide
10/14/1980US4228186 Method for the control of manure-breeding insects
10/14/1980US4228105 Chemical intermediate for the production of phenylbutenones
10/07/1980US4226958 Process for preparing organo-arsenic derivatives of polystyrene and related polymers
10/07/1980US4226763 2-[2-Hydroxy-3,5-di-(.alpha.,α-dimethylbenzyl)-phenyl]-2H-benzotriazole and stabilized compositions
10/01/1980EP0016388A1 Process for the preparation of diazonium salt solutions
09/1980
09/30/1980US4225510 Chlorination of (dimethylamino) acetonitrile
09/23/1980US4224238 Process for preparing tertiary alkyl isocyanates
09/23/1980US4224190 Indium dispersed in a carrier
09/23/1980CA1086327A1 Methyl isocyanate process
09/16/1980US4223145 Thermal decomposition of hydrochloride of trisubstituted urea
09/02/1980US4220749 Process for the production of modified polyisocyanates
08/1980
08/20/1980EP0014264A1 Process for the production of Schiff bases by reaction of aromatic amines with aliphatic ketones in the presence of catalysts
08/20/1980EP0014263A2 Method of improving the solubility of biologically active agents in water and in lower aliphatic alcohols, and compounds having an improved solubility
08/12/1980US4217307 Process for the preparation of 2,2'-dichloro-hydrazobenzene
08/05/1980US4216332 Preparation of chlorinated N-methyl-imidazoles and N-methyl-imidazolines
08/05/1980US4216162 Novel derivatives of cyclopropanecarboxylic acid useful as intermediates for the preparation of insecticides
08/05/1980US4216063 Evaporation from distillation residues
07/1980
07/29/1980US4215041 Diazo substituted amino-benzene salts and lithographic plate comprising same
07/29/1980CA1082728A1 Process for preparation of aromatic isocyanates
07/23/1980EP0013643A1 Production of high-quality aromatic amino azo compounds by the rearrangement of 1,3-diaryl triazenes
07/23/1980EP0013608A1 Substituted bicyclo (2,2,1)heptanes and hept-2-enes and their pharmaceutical compositions
07/23/1980EP0013391A1 Process for the preparation of modified polyisocyanates, polyisocyanates obtained by this process and their use as reaction components in the preparation of polyurethane plastics
07/22/1980CA1082181A1 Benzamide derivatives
07/15/1980US4212868 Certain fungicidal pyridinecarbaldehyde phenylhydrazones
07/10/1980WO1980001382A1 Substituted (2,2,1) heptanes and hept-2-enes and their pharmaceutical compositions as inhibitors of thromboxane activity
07/10/1980WO1980001350A1 Skin-equivalent
07/08/1980US4211869 Chlorination of 2-cyanoethyl isocyanide dichloride
07/08/1980US4211699 Isocyanate adduct diols
07/08/1980CA1081250A1 Process for the separation of azines
06/1980
06/11/1980EP0011702A1 TDI destillation residues dispersed in polyols and their use in a process for preparing polyurethane plastics
06/10/1980US4207338 Microbicidal composition
06/10/1980US4207251 Catalytic oxidation of formamides to form isocyanates
06/03/1980US4206231 Hypoglycaemically active 2-alkyl- or -alkenyl-hydrazono propionic acid derivatives
06/03/1980US4206136 Process for the production of methylisocyanate
06/03/1980CA1078870A1 N-trichloroacetyl-n'-chlorobenzoylhydrazine derivatives
06/03/1980CA1078861A1 Method of manufacturing aromatic isocyanates
06/03/1980CA1078854A1 Process for the production of polyisocyanates which contain carbodiimide groups and which are stable in storage
05/1980
05/28/1980EP0011599A1 Substituted 1,11-diamino undecanes, processes for their preparation and their use
05/28/1980EP0011266A1 2-Cyano-ethylisocyanide dichloride and a process for its preparation
05/20/1980US4203916 Preparation of trans cyclohexane 1,4 diisocyanate
05/14/1980EP0010675A2 Working-up process of toluylen diisocyanate-distillation residues and use of the products thus obtained as mouldable material or as active fillers, in particular in the production of panels and shaped articles
05/14/1980EP0010587A1 Adamantylalkyloxy-carbonyl derivatives, their preparation and their use for the production of peptides
05/13/1980US4202892 Fungicides, viricides, antiprotozoa agents, parkinson's disease
05/13/1980US4202827 Process for the production of 1-anthraquinonyl hydrazine
04/1980
04/30/1980EP0010520A1 Substituted derivatives of 11-amino-undeca-4,8 dienals and 11-amino undecanals and process for their preparation
04/30/1980EP0010281A2 Process for preparing alpha, beta-dihalogeno-alkyl isocyanates
04/16/1980EP0009710A1 Alpha-isocyano-cyclopropyl amides, process for their preparation, and their application as plant growth regulants
04/16/1980EP0009700A1 Process for the preparation 1-isocyanato-anthraquinones
04/16/1980EP0009487A1 New derivates from benzamide.
04/15/1980CA1075712A1 X-ray contrast media
04/15/1980CA1075682A1 Control of chemical reaction
04/08/1980US4197410 N-[(N-Nitrosoalkylamino)methyl]carbamic acid esters for generating diazoalkanes
04/08/1980CA1075258A1 Cyclopane derivatives
03/1980
03/25/1980US4195032 Process for continuously working up solutions of the type accumulating in the phosgenation of monoamines
03/25/1980US4195031 Thermal decomposition of n-alkyl carbamic acid aryl ester
03/18/1980US4194054 Preparation of substituted fluorobenzenes
03/18/1980US4193932 From amines and phosgene, purification of product with hydrogen chloride, degassing
03/04/1980CA1072958A1 Amide compounds
02/1980
02/26/1980US4190592 Ion exchanging
02/20/1980EP0007972A1 Process for the preparation of dichloro-hydrazobenzenes by catalytic hydrogenation of monochloro-nitrobenzenes
02/19/1980CA1072112A1 Benzylidene derivatives
02/12/1980US4188381 Fungicides hydrazinium phosphites
02/12/1980CA1071649A1 Substituted phenylguanidines and processes for their preparation and use
02/05/1980CA1071202A1 Initiators for isocyanate reactions
02/05/1980CA1071197A1 Finely divided blocked isocyanates prepared in the presence of surfactants
01/1980
01/09/1980EP0006190A1 Process for continuously diazotising amines
01/08/1980CA1069368A1 Incorporated carbodiimide to harden photographic layers containing protein
12/1979
12/25/1979US4180656 Azomethine compounds
12/25/1979US4180649 Homopolymerizable acetylene-terminated tetraimines and process for making same
12/11/1979US4178430 Polyacetylenes
12/04/1979US4177342 From carbamate(urethane)-containing alcohols and polyisocyanates
11/1979
11/27/1979CA1067091A1 Polyisocyanates which contain carbodiimide groups and which are stable in storage
11/14/1979EP0005233A1 Process for the preparation of liquid, storage-stable, partly carbodiimidated diisocyanate diphenyl methane and its application as isocyanate component in the isocyanate-polyaddition process
11/14/1979EP0005211A2 Process for the preparation of 2,2'-dichlorohydrazobenzene
11/06/1979US4173544 Novel alkylsubstituted N-benzylideneanilines and liquid crystal compositions containing same
10/1979
10/30/1979US4172846 Process for separating a mixture of an optically active phenylglycine amide and an optically active phenylglycine
10/23/1979US4172096 Process for the preparation of asymmetric dimethylhydrazine in the presence of hydrazine
10/16/1979US4171305 Blocked isocyanate
09/1979
09/25/1979CA1063120A1 Cyclic polymethylene phenoxy aminopropanols and related compounds
09/19/1979EP0004247A1 Process for producing aryldiazonium salts from nitrogenous gases rich in nitrogen oxide, aqueous solutions of these salts and their use for the preparation of aminoazoaromatic compounds
09/19/1979EP0004224A1 Process for the preparation of isocyanates from nitro compounds
09/11/1979US4167489 Liquid crystalline compounds
09/11/1979CA1062274A1 Triisocyanates and the use thereof
09/11/1979CA1062260A1 N,n-disubstituted alanine derivatives
09/05/1979EP0003913A1 Pesticidally active benzophenone hydrazone derivatives, methods for their production and pesticidal compositions and methods
09/04/1979US4166742 Contrasty light-sensitive silver halide material containing a hydrazine derivative and a heterocyclic mercaptan
08/1979
08/28/1979US4166067 Process for the preparation of alkoxymethyl-isocyanates
08/22/1979EP0003666A1 Oxabicyclo 3.1.0 hexanes useful in the production of cyclopropanecarboxylate insecticides and intermediate compounds
08/22/1979EP0003656A2 Process for the diazotisation of amines
08/22/1979EP0003586A1 Phenoxyacetic acid derivatives, process for their preparation and their application as herbicides
08/22/1979EP0003584A1 Phenoxypropanoic acid derivatives, process for their preparation and their use as herbicides
08/22/1979EP0003570A1 Process for continuously working up solutions produced by phosgenating monoamines
08/14/1979CA1060473A1 Bis-naphthoyl hydrazine derivatives
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