Patents
Patents for C07C 241 - Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes (2,288)
08/1979
08/14/1979CA1060438A1 Pharmaceutical compositions
08/09/1979WO1979000517A1 New derivates from benzamide
07/1979
07/31/1979US4163024 Nickel catalyst
07/31/1979CA1059534A1 Process for preparing n', n'-disubstituted acid hydrazides
07/24/1979US4162263 Manufacture of aliphatic or cycloaliphatic isocyanates
07/11/1979EP0002800A1 Optically active alpha-phenoxypropionic acid dervatives
07/11/1979EP0002721A2 Process for preparing hydrazines
07/11/1979EP0002708A1 Method for the continuous production of monoisocyanates
07/10/1979US4160784 Process for the production of o-aminophenyl ketone derivatives
07/10/1979CA1058216A1 Production of aluminum salts of n-nitroso-n-alkylhydroxylamines
06/1979
06/19/1979CA1056841A1 Organic compounds which contain uretdione groups and blocked isocyanate end groups
06/13/1979EP0002217A1 Process for the preparation of tetrachloropyrimidine
06/13/1979EP0002182A2 Bis-azido-phthalic acid derivatives and process for their preparation
06/13/1979EP0002181A2 3- and 4-Azidophthalic acid derivatives and process for their preparation
06/12/1979CA1056400A1 Process for the preparation of 1,4-naphthodinitrile
05/1979
05/30/1979EP0002066A1 2-Adamantyl hydrazines and pharmaceutical compositions containing them
05/30/1979EP0002065A1 Methyladamantyl hydrazines, their pharmaceutically acceptable salts and pharmaceutical compositions containing them
05/30/1979EP0002014A1 Alpha-isocyanocarboxylic acid salts, method for their preparation, and their use as plant growth controlling agents
05/29/1979CA1055527A1 Processes for the preparation of benzobicycloalkene amines and related compounds
05/16/1979EP0001804A1 Beta-naphthyl- and beta-tetrahydronaphthylphenyl ethers, process for their preparation and their use as herbicides
05/15/1979US4154850 Certain di-(substituted phenoxy) alkanes and hypolipidaemic use thereof
05/15/1979US4154752 Preparation of partially carbodiimidized methylenebis (phenyl isocyanate)
05/08/1979US4153624 Preparation of organic isocyanates
05/02/1979EP0001603A2 Process for preparing isocyanates
05/01/1979US4152348 Inhibition of color formation on storage
05/01/1979CA1053704A1 Process for the manufacture of organic hydrazines
05/01/1979CA1053697A1 Synthesis of racemic 2-deutero-3-fluoro-alanine and its salts, and intermediates therefor
04/1979
04/24/1979US4151193 Process for the preparation of aliphatic isocyanates
04/24/1979CA1053250A1 Water-insoluble azamethine compounds, process for their preparation and their use as dyeing agents
04/17/1979US4150235 Antibody inhibitors, hypotensive agents, diuretics, vasodilator
04/04/1979EP0001236A1 Process for the continuous indirect diazotization of aromatic amines
04/03/1979CA1051928A1 Process for preparing n,n-dimethylhydrazine
03/1979
03/27/1979US4146550 Process for the preparation of an aliphatic monoisocyanate
03/21/1979EP0001144A1 N-substituted 2-hydrazono-propionic acid derivatives, process for their preparation and pharmaceutical compositions containing them
03/20/1979US4145435 2-aminocycloaliphatic amide compounds
03/20/1979US4145360 From a furoxan and vicinal diketo compound
03/20/1979US4145228 Reacting ferrous compound, a nitro or azo aromatic compound and a hydroxide or carbonate of ammonium, alkali or alkaline earth metals
03/13/1979US4144267 Organic polyisocyanates
03/13/1979US4144260 In the presence of water, an acid and an organic solvent
03/13/1979CA1050565A1 Process for preparing o-(2,6-dichloroanilino) phenylacetic acid and salts thereof
03/07/1979EP0001019A1 Phenylhydrazones, their use in insecticidal compositions and methods for their preparation
03/06/1979US4143063 Organo-arsine-substituted polystyrene
02/1979
02/20/1979US4140861 Renal disfunction, antibody inhibitors
02/20/1979CA1049029A1 Production of isocyanates from lower alkyl esters of mononuclear aromatic carbamic acids
02/13/1979CA1048523A1 Recovery of solvents employed in the production of isocyanates from esters of carbamic acids (urethanes)
02/07/1979EP0000602A1 Process for the preparation of isocyanates from formamides
02/07/1979EP0000519A1 Process for the preparation of 2,2'-dichlorohydrazobenzene
01/1979
01/30/1979US4137386 Preparation of carbodiimide from isocyanate with catalyst comprising organoarsenic derivative of polystyrene
01/30/1979CA1047519A1 Production of isocyanates
01/30/1979CA1047490A1 Ethers
01/24/1979EP0000463A1 Method for separating toluene diisocyanate from fabrication process residues
01/24/1979EP0000390A1 Derivatives of 2-(2,2-Dihalogenvinyl)-3,3-dimethyl-cyclopropane carboxylic acid and process for preparing them
01/24/1979EP0000348A1 Polyuret polyisocyanates, preparation thereof and their use in the preparation of polyurethanes.
01/23/1979US4136196 Hypoglycaemically active 2-(phenylalkyl- or -alkenyl hydrazono)-propionic acid derivatives
01/16/1979US4134753 Herbicidal agents
01/16/1979CA1046527A1 PHARMACEUTICALLY USEFUL 2-AMINOACETAMIDO-.alpha.-PHENYLBENZYLIDENEAMINOALKANOL DERIVATIVES
01/10/1979EP0000144A1 Process for preparing 2-isocyanatoalkyl esters of unsaturated carboxylic acids
01/02/1979US4132843 Blocked polyisocyanates formed from hexamethylene-1,6-diisocyanate and acetoacetic acid C3 -C5 alkyl esters
12/1978
12/26/1978CA1045124A1 Continuous process for aminoazobenzene
12/20/1978EP0000016A1 Process for the preparation of allophanates-substituted polyisocyanates and their use in the manufacture of polyurethane products
12/19/1978US4130586 Process for producing imine compounds
12/19/1978US4130577 Process for preparing α, α-dimethylbenzyl isocyanates
12/19/1978US4130576 Method for preparing isocyanates from halosilyl carbamates
12/19/1978US4130413 Heterocyclic phenyl ethers and herbicides containing same
12/12/1978US4129739 Amidine compounds
11/1978
11/21/1978CA1043036A1 Polyurethane two-component lacquers
11/21/1978CA1042919A1 Alicyclic compounds and process for preparing the same
11/21/1978CA1042915A1 2-iminomethyl-3',4',5'-trimethoxycinnamic acids and esters thereof, and their production
11/21/1978CA1042909A1 Hypolipidemic alkenesulfonamides
11/14/1978US4125625 Troponyl-oxamic acid derivatives
10/1978
10/17/1978US4120884 Storage-stable, liquid polyisocyanates possessing carbodiimide groups, and process for their manufacture
10/17/1978CA1040655A1 Amine derivatives of azidophenols
10/10/1978US4119464 Pre-hardener of complex-forming salt of aluminum, chromium, or zirconium
10/03/1978US4118411 Reacting a diphenylmethane diisocyanate with (polyoxy-) propylene glycol
09/1978
09/19/1978US4115547 Sunscreening compositions
09/19/1978US4115429 Low-temperature storage stable liquid diphenylmethane diisocyanates
09/19/1978CA1038861A1 SECONDARY-ALIPHATIC .alpha.-SUBSTITUTED AZOALKANES
09/12/1978US4113954 Multistage; reacting an alkyl b-alkoxy-b-iminopropionate salt with an aniline
09/12/1978US4113705 Triisocyanates useful for the production of polyurethane resins
09/05/1978US4111976 From isobutyronitrile, hydrogen chloride and methanol
09/05/1978US4111914 Initiators for isocyanate reactions
08/1978
08/22/1978US4108793 Liquid crystal cell
08/15/1978US4107199 Bis(isocyanatopropyl) arylacetonitriles
08/08/1978US4105643 Preparation of carbodiimide in presence of phospholene catalysts
07/1978
07/25/1978US4102910 Miticides, amidines or imidoesters
07/18/1978US4101578 Cycloaliphatic triamines
07/11/1978US4100184 Process for producing 3-cyanomethyl cyclopentanone derivatives
07/11/1978US4100132 Resistance to metal-catalyzed oxidative degradation
07/04/1978US4098973 Compounds and process
06/1978
06/20/1978US4096165 Phosgene, primary aromatic amine
06/13/1978US4094992 Antiepileptic agents
06/13/1978US4094894 Process of purifying aliphatic isocyanates
06/13/1978US4094683 Direct positive silver halide photographic materials
06/06/1978US4093656 Process for making azines
05/1978
05/30/1978US4092343 Polymethylene polyphenyl polyisocyanate
05/16/1978US4089875 ((2-hydroxy or acyloxyphenyl)phenylmethyleneimino)-malonate heated in presence of an imidazole
05/09/1978US4088665 Process for the partial carbodiimidization of organic isocyanates
04/1978
04/18/1978US4085140 From isocyanates in presence of nitrogenous base
04/11/1978US4084057 From an acylamidomalonic acid ester, acrolein and phenyl hydrazine, alkali metal carboxylate catalyst
04/11/1978US4083869 Reacting benzophenone with ammonia in presence of metal oxide
1 ... 12 13 14 15 16 17 18 19 20 21 22 23