Patents
Patents for C07C 209 - Preparation of compounds containing amino groups bound to a carbon skeleton (17,459)
06/1994
06/07/1994US5319142 Process for preparing substituted and unsubstituted arylalkylamines
06/04/1994CA2092964A1 Tert-butylamine synthesis over zeolite beta
06/01/1994EP0599704A1 Synthesis path for deactivated anilines
06/01/1994EP0599180A1 Process for the preparation of diamines
05/1994
05/25/1994EP0535033A4 Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts
05/25/1994CN1024667C Process for preparing substituted aminomethytetralins and their heterocyclic analogues
05/24/1994US5315043 Aromatic nucleophilic fluorination
05/24/1994US5315040 Reduction of nitro compounds using ruthenium catalyst
05/18/1994EP0597376A1 3,3'-Dichlorobenzidine-dihydrochloride stable suspension
05/18/1994CN1086739A Carbohydrate-derived surfactants and their precursors
05/17/1994US5313001 Reacting a halogenated aromatic compound with a 1,1-difluoro ethylene compound in presence of palladium catalyst
05/17/1994US5312989 Partly melting crude crystal prepared by reacting aniline and formaldehyde, and removing the melt
05/11/1994WO1994009625A2 Stabilization of fluorocarbon emulsions
05/11/1994EP0596491A1 Method for halogenating an aromatic compound
05/11/1994EP0596358A1 0-Phenylenediamines containing fluoroakyl(ene) groups and their use as intermediates in the preparation of benzimidazoles
05/11/1994EP0596130A1 Production of 2-halo-3,5-difluoroaniline, intermediate for producing the same, and production of said intermediate
05/11/1994CN1024460C Process for wastewater treatment and the recovery of O-phenylenediamine
05/11/1994CA2102749A1 Stable 3,3'-dichlorobenzidine dihydrochloride suspension
05/10/1994US5310769 Reaction of aniline and formaldehyde, phosgenation, polyurethane from that diisocyanate which has a lighter color
05/05/1994CA2102151A1 Method for halogenating an aromatic compound
05/04/1994EP0595332A1 Process for the preparation of diphenylamine or nucleus-substituted derivative thereof
05/04/1994EP0595124A1 Process for the preparation of chlorosubstituted aromatic amines and of catalysts
05/03/1994CA1329213C Process for the production of aziridines
04/1994
04/28/1994WO1994008942A1 Depolymerization of nylon 6,6 (and optionally) nylon 6 to obtain hexamethylene diamine (and caprolactam)
04/27/1994EP0594156A1 Process for the preparation of 4,4'-(phenylenediisopropyl)-bis-(2,6-dialkylanilines)
04/27/1994EP0594100A1 Process for the preparation of hexa-2,4-diin-1,6-diamines
04/27/1994EP0594062A1 Stable dispersible mineral acid slurry of benzidine derivatives
04/27/1994EP0593456A1 Manufacture of aromatic amines.
04/26/1994US5306821 Process for the preparation of tertiary carbinamines
04/22/1994CA2108874A1 4,4'-(phenylenediisopropyl)-bis(2,6-dialkylanilines)
04/20/1994EP0593251A1 Process for the catalytic debromination of halogenated monocyclic aromatic compounds
04/20/1994EP0593086A1 Method for preparing methylamines
04/20/1994EP0592509A1 Activated propenes as colour couplers and a method for their production.
04/19/1994US5304681 Tert-butylamine synthesis over montmorillonite clays
04/19/1994US5304680 Process for the preparation of aromatic amines which are substituted by C1 -C4 -alkoxy in the p-position
04/19/1994US5304525 Palladium supported on graphite or coke; hydrogenation of nitrobenzene
04/14/1994WO1994007841A1 Process for reducing carboxylic acids or carboxylic acid derivatives, and novel compounds
04/14/1994CA2108189A1 Process for the catalytic debromination of halogenated monocyclic aromatic compounds
04/13/1994EP0592052A1 Phosporus containing catalysts and process for the production of linear polyamines
04/13/1994CN1085209A Process for the preparation of isocyanates by the decomposition of N,N,N¨-trisubstituted ureas
04/13/1994CN1024191C Method for purifying 2,3-dichloro-N,N-dimethyl propylamine
04/12/1994US5302756 Yielding hexamethylene diamine, adiponitrile and 5-cyanovaleramide
04/10/1994CA2107699A1 Process for reducing impurity levels in methylene diphenylamines
04/06/1994EP0590419A1 Process for preparing unsaturated amines
04/06/1994CN2160660Y Device for synthesizing methyl amino-formyl chlorine
04/05/1994US5300692 Reacting 3,4-difluorobenzotrifluoride with anhydrous ammonia
03/1994
03/31/1994WO1994006752A1 Method of manufacturing a residue-free 2,4/2,6-diaminotoluene mixture
03/31/1994DE4232505A1 Verfahren zur Reduktion von Carbonsäuren oder Carbonsäurederivaten sowie neue Verbindungen A process for the reduction of carboxylic acids or carboxylic acid derivatives and to novel compounds
03/31/1994CA2142911A1 Method of manufacturing a residue-free 2,4/2,6- diaminotoluene mixture
03/30/1994EP0589341A1 Process for the preparation von endo/exo-8-N,N-dialkylaminoexo-tricyclo(5.2.1.0 2,6) decane
03/29/1994CA2105100A1 Preparation of unsaturated amines
03/23/1994EP0588192A1 Process for preparing tertiary amines
03/23/1994EP0588156A2 Process for the preparation of secondary amines
03/23/1994EP0588060A2 Method for preparing aromatic secondary amino compound
03/22/1994US5296689 Aiming beam system for optical data reading device
03/22/1994US5296633 HMTA preparation of methylated tertiary amines
03/22/1994US5296632 Continuous reduction of a hindered nitro moiety in aliphatic nitro polyamines
03/22/1994US5296631 Process for producing N-alkyl-N-methylamine or N-alkenyl-N-methylamine
03/22/1994US5296612 Process for producing enyne derivatives
03/22/1994US5296154 High molecular weight nitrogen-containing condensates and fuels and lubricants containing same
03/17/1994WO1993017020A3 Therapeutic nucleosides
03/16/1994EP0587534A1 Process for the preparation of amines
03/16/1994EP0587424A1 Alkylamine synthesis over dealuminated y-type zeolites
03/15/1994US5294742 Fluorination, chlorination, denitration, reduction, catalysis, hydrogenation
03/12/1994CA2105812A1 Process for the preparation of amines
03/09/1994CA2086814A1 Tert-butylamine synthesis over dealuminated y-type zeolites
03/08/1994US5292957 From halogenonitrobenzene
03/08/1994US5292893 Catalytic asymmetric and non-asymmetric reduction of times and oximes using metal catalysts
03/08/1994US5292407 Electrodialysis
03/08/1994CA1327610C Ammonium salt useful as modifiers for rubber
03/08/1994CA1327608C Process for preparing new diamines and their use in capillary dyeing
03/01/1994US5290961 Carcinostatic drugs
02/1994
02/23/1994EP0583637A1 Process for the preparation of isocyanes by decomposition of N,N,N'-trisubstituted ureas
02/23/1994CN1082533A A process for making 1-cyclopentylalkyl amines useful for the synthesis of sweeteners
02/22/1994US5288909 Group 5B catalyst, such as niobic acid
02/22/1994US5288908 Process for the preparation of fluorine containing monomers
02/17/1994DE4226752A1 New star-shaped poly:ene cpds. and poly:ene polymers, prepn. and use - useful as electroconductor and in optical and opto-electronic field, with 3 poly:ene chains attached to aromatic or hetero-aromatic ring system.
02/16/1994EP0582895A1 Production of aliphatic primary amines
02/16/1994EP0582863A2 Process for the preparation of isocyanic acid by decomposition of N,N-disubstituted ureas
02/15/1994US5286906 Process for the preparation of 3-aminomethyl-3,5,5-trialkylcyclohexylamine
02/15/1994US5286878 Catalytic reduction of organic carbonyls
02/15/1994US5286760 Process for reducing impurity levels in methylene diphenyamines
02/14/1994CA2100718A1 Process for the preparation of isocyanates by the decomposition of n,n,n'-trisubstituted ureas
02/14/1994CA2100717A1 Process for the preparation of isocyanic acid by the decomposition of n,n-disubstituted ureas
02/08/1994US5284976 Catalytic amination of boronic esters
02/08/1994US5284650 Process for making high solids fabric softeners using low amounts of solvents and eliminating side reactions
02/03/1994WO1994002441A1 A process for making 1-cyclopentylalkyl amines useful for the synthesis of sweeteners
02/02/1994EP0581099A2 Process for the preparation of diphenylamines
02/01/1994US5283378 Process for the dechlorination and/or debromination of fluorine-and chlorine- and/or bromine-containing aromatic compounds
02/01/1994US5283366 Method of preparing 3-aminomethyl-3,5,5-trimethyl cyclohexyl amine
02/01/1994US5283365 Continuous catalyic hydrogenation of nitrobenzene
02/01/1994US5283363 Reacting a halogeno(hetero)aryl compound with aminoalkynyl compounds; catalysts; hydrogenation
01/1994
01/26/1994EP0579668A1 Method of producing high-activity doped metal support catalysts
01/18/1994US5279714 Preparation of fluoroanilines by electrochemical means
01/12/1994EP0578323A2 Process for the preparation of secondary amines and catalyst compositions for use in such process
01/12/1994EP0577836A1 Polyamino-oligomer and polymaleimide compound
01/12/1994EP0577753A1 Bis-naphthalimides containing amino-acid derived linkers as anticancer agents
01/12/1994CN1023477C Method for maintaining activety of zeolite catalyst
01/09/1994CA2099968A1 Process for the preparation of secondary amines and catalyst compositions for use in such process
01/05/1994CN1023400C Process for preparing 4-amino-3-methylphenol