Patents
Patents for C07C 209 - Preparation of compounds containing amino groups bound to a carbon skeleton (17,459)
04/1992
04/22/1992CN1016337B Method for preparing fatty primary amine
04/21/1992US5107028 Contacting with an alkanal to prevent pink discoloration when exposed to acid
04/21/1992US5107027 Tert-butylamine synthesis over montmorillonite clays
04/21/1992US5107024 Diphenylamine purification
04/21/1992US5106981 Skin disorders
04/21/1992US5106866 Skin disorders
04/17/1992CA2052992A1 Process for the preparation of arylalkylamines and substituted arylalkylamines
04/16/1992WO1992006067A1 Method for aniline obtaining
04/15/1992EP0480493A2 Processes for the preparation of nitrogen-containing compounds
04/15/1992EP0479877A1 Method of preparing n-alkyl-haloanilines.
04/15/1992CN1060284A Process for preparing 4-amino-3-methylphenol
04/15/1992CN1016245B Process for n.n.-dimethyl-1-(1-4-chlorobenzene) cyclobutyl)-3-methyl butyl hydrochloric acid salt-hydrate
04/14/1992US5105015 Synthesis of non-cyclic aliphatic polyamines
04/14/1992US5105014 Synthesis of vicinal diamines
04/14/1992US5105013 Two step; reduction of gas flow rate between first and second methylation
04/14/1992US5105012 To form nitroanilines useful as chemical intermediates for herbicides and dyes
04/14/1992US5105011 Catalytic hydrogenation using nickel, cobalt or iron with metal iodide yields aromatic haloamines
04/14/1992US5104503 Photochemical dimerization of organic compounds
04/14/1992US5104034 Soldering, immersion, fluid flow, withdrawal; circuit boards
04/08/1992EP0479384A1 Process for treating dinitroanilines with sulfite to reduce impurities and to reduce the ability to produce nitrosamines
04/07/1992US5103062 Modified normally liquid, water-soluble polyoxyalkylene polyamines
04/07/1992US5103061 Synthesis of hydrocarbyl amines
04/07/1992US5103059 Process for alkylation of aromatic diamines
04/07/1992US5103058 Catalytic dehydrogenation to aldehyde; refluxing with primary aliphatic amine
04/07/1992US5103053 Process for treating tert-amines
04/07/1992US5103052 Reacting with acetylalkylcarbinol deactivates acid-activated color body precusor, so prevents to form pink coloration when exposed to acidic conditions
04/02/1992WO1992005142A1 Process for preparing tertiary perfluoroamines
04/01/1992EP0477853A1 Process and novel intermediate for the preparation of 3,4'-diaminodiphenyl ether
03/1992
03/31/1992US5101075 Process for the preparation of bis-and tris-(3-dimethylaminopropyl)amine
03/31/1992US5101074 Vicinal di(hetro) alkylene organometalates and processes for the production of amines therewith
03/25/1992EP0476578A1 Process for producing ethylenamines
03/25/1992EP0476404A2 Process for preparing high-purity aniline
03/25/1992EP0476359A1 Process for the production of di-(4-aminocyclohexyl)-methane with a proportion of 15-25% by weight of trans-trans isomers
03/24/1992US5099070 Method of producing neopentyldiamine
03/21/1992CA2051594A1 Processes for the preparation of nitrogen-containing compounds
03/18/1992EP0475512A1 Process for preparing quaternary ammonium carbonate esters
03/18/1992CA2051476A1 Process for producing an ethylenamine
03/17/1992US5097073 Production of aliphatic primary of secondary amine
03/17/1992US5097072 Preparation of polyamines
03/17/1992US5097071 Supported copper catalyst, process for its preparation and process for the preparation of n-alkylated aromatic amines using this copper catalyst
03/17/1992US5097043 Reaction of 3-acetylthio-2-methylpropionic acid with an optically active benzylamine
03/17/1992US5097029 Process for preparing 2,3-dihydro-1,3-dialkyl-2,3-dialkyl perimidines and N,N-'-dialkyl-1,8-naphthalene diamines
03/15/1992CA2051050A1 Process for preparing quaternary ammonium carbonate esters
03/11/1992EP0245244B1 A process for continuously preparing aromatic polyamines with ion exchange resin catalysts
03/10/1992US5095147 2,2-difluorocyclopropyl derivatives
03/10/1992US5095144 Process for dimerizing aromatic halogen compound
03/10/1992US5094685 Substituted benzoyl derivatives and selective herbicides
03/05/1992WO1992003406A1 Reduction of the residual content of free alkylation agents in aqueous solutions
03/04/1992EP0473552A1 Process for the preparation of halogenated aromatic primary amines
03/03/1992US5093527 Process for preparing methyl- and ethyl-substituted primary anilines
03/03/1992US5093432 Perfluorination of esters or ethers
03/03/1992US5093370 Useful prior to insertion of tracheotomy tube or discission
03/03/1992CA1296729C Fungicidal cyclohexylamines
03/01/1992CA2050191A1 Process for the preparation of halogenated aromatic primary amines
02/1992
02/26/1992EP0471729A1 Corrin mediated degradation of organic nitrogen compounds.
02/25/1992US5091585 Continuous preparatin of tertiary aliphatic methyl amines
02/25/1992US5091584 Process of preparing formaldehyde/amine adducts
02/25/1992US5091580 Process for the preparation of 2,6-difluoroaniline
02/25/1992US5091579 Amination of phenols with ammonia in presence of gamma alumina catalyst containing fluoride and low alkali metal
02/25/1992US5091576 Antipsoriasis, insecticides
02/25/1992US5091526 Process for the enantiospecific synthesis of intermediates for hexahydro-benzo[d]-naphtho[2,1-b]azepines
02/25/1992US5091429 Derivatives of 4-amino-1-trifluoromethyltetralines their preparation and their therapeutic application
02/25/1992US5090997 Atomizing liquid alloy with water or water and gas, cooling, drying
02/25/1992CA1296362C 4-trans-substituted cyclohexylamine derivatives, fungicides containing these and a method of controlling fungi
02/25/1992CA1296342C Anti-inflammatory agents, pharmaceutical compositions and methods for reducing inflammation
02/20/1992WO1992002486A1 Processes for preparing secondary and tertiary amines
02/20/1992WO1992002283A1 Chiral separation media
02/20/1992DE4026184A1 Verfahren zur verminderung des restgehaltes an freiem alkylierungsmittel in waessrigen loesungen kationischer tenside A process for reducing the residual content of free alkylating agent in aqueous solutions of cationic surfactants
02/19/1992EP0471498A2 Optical resolution method
02/18/1992US5089653 Having amine-protecting groups, such as diacetanilide or succinimide; palladium catalyst; hydrolyzing to deprotect
02/18/1992US5089640 Fungicides, plant growth regulators
02/18/1992US5089639 N-cycloalkylalkylamines, process for their preparation, their use as a medicament and their synthesis intermediates
02/12/1992EP0470375A1 Process for the preparation of aromatic amines substituted in the p position by C1-4 alkoxy
02/11/1992US5087790 Method for olefination of carbonyl compounds using titanocene derivatives
02/11/1992US5087756 Intermediates for squaric acid
02/11/1992US5087755 Process for producing aromatic amines by reduction of aromatic nitro compounds
02/11/1992US5087754 Process for the preparation of n,n-dialkylaniline
02/11/1992US5087700 Method of producing primary amines in high yields
02/07/1992CA2048286A1 Optical resolution method
02/05/1992EP0470000A1 Allylation reagent and method of synthesis using it
02/05/1992EP0469719A1 Alkylamine synthesis over montmorillonite clays
02/04/1992US5086059 Bis-naphthalimides as anticancer agents
02/04/1992US5085666 Nitroanilines and hair-dyeing compositions in which they are present
01/1992
01/30/1992DE4023652A1 Ring-alkylated aniline derivs. prodn. - by isomerisation of N-alkyl-aniline derivs., on zeolite catalyst
01/29/1992EP0468638A1 A continuous process for preparing quaternary ammonium salts
01/29/1992CN1058195A Zeolites
01/28/1992CA1294985C Preparation of substituted aromatic amines
01/24/1992CA2043611A1 Continuous process for preparing quaternary ammonium salts
01/21/1992US5082972 Catalyst and phosphorus compound
01/21/1992US5082971 Trifluoromethylaminobenzenes containing fluorine and/or chlorine and their preparation
01/21/1992US5082970 Trans to cis isomer
01/21/1992CA2046749A1 Process for the preparation of aromatic amines which are substituted by c1-c4-alkoxy in the p-position
01/15/1992CN1057831A Method of preparing aliphatic amine from c2-c9 fatty alcohol
01/14/1992US5081303 Co-production of an aromatic monoamine and an aromatic diamine directly from benzene or a benzene derivative through controlled nitration and reduction
01/14/1992US5081302 Ring alkylation, zeolite type Y
01/14/1992US5081288 Process for the preparation of substituted 3,5-dichloro-2,4-difluoro-benzenes
01/09/1992DE4021726A1 2,2-Di:substd. pentane-1,5-di:amine(s) prodn.
01/08/1992EP0464539A2 Method for preparation of beta-fluoro-tert. alkyl amine hydrochlorides and beta-fluoro-tert. alkylamides
01/07/1992US5079245 2-trifluoromethyl-7-substitute-6,7,8,9-tetrahydro-[5H]-benzocycloheptenes
01/07/1992CA1293968C Process for preparation of a hydrogenation and/or dehydrogenation catalyst