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| Number | Title | Issue Date |
| 7547805 | Catalytic preparation of severely sterically hindered amino-ether alcohols using a metal loaded catalyst The present invention relates to a process for the production of severely sterically hindered amino-ether alcohols using a catalyst based on the combination of one or more catalytically active metals supported in a dispersed form on one or more ordered mesoporous ma... | 06/16/2009 |
| 7196033 | Advances in amination catalysis Provided herein are catalysts useful in reductive amination, which include nickel, copper, zirconium and/or chromium, oxygen, and tin. The presence of the tin increases the selectivity of the catalyst in reductive aminations over the catalysts of the prior art. ... | 03/27/2007 |
| 7183438 | Catalysts and method for the production of amines Disclosed are catalysts, the catalytically active mass of which contains 22 to 40 percent by weight of oxygen-containing compounds of zirconium, calculated as ZrO2, 1 to 30 percent by weight of oxygen-containing compounds of copper, calculated as CuO, 15 ... | 02/27/2007 |
| 7034186 | Preparation of an amine Process for preparing an amine by reacting a primary or secondary alcohol, aldehyde or ketone with hydrogen and a nitrogen compound selected from the group consisting of ammonia and primary and secondary amines in the presence of a catalyst whose preparation has inv... | 04/25/2006 |
| 6953866 | Process for preparing ortho substituted phenylamines A process is disclosed for preparing ortho substituted phenylamines comprising contacting phenylhydroxylamine, optionally substituted with at least one inert substituent, with a nucleophilic reagent in the presence of a manganese oxide at a temperature between about... | 10/11/2005 |
| 6737460 | Vinyl monomers having polyenic side chains derived from highly unsaturated fatty acids and derivatives thereof, and polymers of said monomers Vinyl monomers having polyenic side chains derived from highly unsaturated fatty acids represented by the general formula: R1COOH wherein R1 is a C19-24 hydrocarbon having 5 or 6 unsaturated bonds, and the derivatives thereof. Vinyl ... | 05/18/2004 |
| 6706217 | Liquid antiozonants and rubber compositions containing same Liquid antiozonant mixtures obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylenediamine compound with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected... | 03/16/2004 |
| 6706216 | Liquid antiozonants and rubber compositions containing same Liquid antiozonant mixtures obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylenediamine compound with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected... | 03/16/2004 |
| 6403834 | Method for preparing tris(ether-amine) The invention concerns a method for preparing tris(ether-amines) of formula (I): N[A--O--(B--O)n --R]3 wherein R, A, B and n are as defined in Claim 1, comprising the reaction, in liquid phase, of an alkylene-glycol monoether of form... | 06/11/2002 |
| 6281240 | Diarylsulfonylureas for use in treating secretory diarrhea This invention provides methods of treating secretory diarrhea or cystic fibrosis in a mammal which comprises administering to a mammal in need thereof an effective amount of diarylsulfonylurea. This invention also describes specific diarylsulfonylureas f... | 08/28/2001 |
| 6268535 | Synthesis of 3-aryl-1-indanamines The present invention is a method of preparing a 3-aryl-1-indanamine represented by structural formula I: ##STR1## and physiologically acceptable salts thereof. In structure I, phenyl ring A can be unsubstituted or substituted with 1-4 substitutents. R | 07/31/2001 |
| 5986138 | Process for producing alkylated aromatic amines with high selectivity using new catalyst The present invention relates to a process for the preparation of alkylated aromatic amines which comprises reacting an aromatic amine selected from aniline, toludine, xylidine, N-methyl aniline, N-ethyl aniline, m-ethyl aniline, p-ethyl aniline, o-ethyl ... | 11/16/1999 |
| 5925789 | Asymmetric synthesis of benzoxazinones The present invention provides novel methods for the asymmetric synthesis of (S)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1- benzoxazin-2-one of formula (VI-i) ##STR1## which is useful as a human immunodeficiency virus (HIV) re... | 07/20/1999 |
| 5689007 | Process of preparing para substituted phenylamines Processes of preparing para substituted phenylamines, such as, p-phenylenediamines, and particularly, p-aminodiphenylamine. One process involves contacting phenylhydroxylamine with a nucleophilic reagent, such as aniline, in specified proportions and with... | 11/18/1997 |
| 5663438 | Preparation of cyclic amines A process for the preparation of a phenyl amine which may be substituted by alkyl or cycloalkyl in which the corresponding cyolohexylamine is reduced at temperatures of 150° to 300° C. and pressures of 0.01 to 50 bar in the presence of a heterogeneous d... | 09/02/1997 |
| 5574187 | Process of preparing para substituted phenylamines Processes of preparing para substituted phenylamines, such as, p-phenylenediamines, and particularly, p-aminodiphenylamine. One process involves contacting phenylhydroxylamine with a nucleophilic reagent, such as aniline, in specified proportions and with... | 11/12/1996 |
| 5545753 | Process for preparing anilines, catalysts used therefor and process for preparing same The process for preparing anilines by reaction of phenols with an amination agent in accordance with the present invention is disclosed, which process is characterized by carrying out the reaction of phenols with an amination agent in the presence of a lo... | 08/13/1996 |
| 5489710 | Regiospecific processes to make cis-1-amino-2-alkanol from diol A regioselective processes are disclosed for the synthesis of (1R,1S)-amino-(2S,2R)-alkanol, particularly (1R,1S)-amino-(2S,2R)-indanol.... | 02/06/1996 |
| 5449829 | Process for the preparation of diphenylamine A diphenylamine with both the phenyl groups being substituted is prepared by reacting a phenol with ammonia in the presence of a hydrogen transfer catalyst and a cyclohexanone; or by converting a portion of the phenol to the cyclohexanone in the presence ... | 09/12/1995 |
| 5371294 | Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine Cyclohexylamine and dicyclohexylamine can be prepared as a mixture with one another by reaction of phenol with aniline, ammonia or a mixture of aniline and ammonia in the presence of hydrogen over a catalyst, the reaction being carried out according to th... | 12/06/1994 |
| 5371290 | Preparation of N,N-dialkarylamines A process for the preparation of N,N-dialkylarylamines (I) by reacting arylamines (II) with alcohols (IIIa) or dialkyl ethers (IIIb) in the presence of an oxygen acid of phosphorus or in the presence of an ammonium salt thereof as catalyst, comprises reac... | 12/06/1994 |
| 5344984 | Method for preparing "twin-tailed" polyoxyalkylene tertiary amines A method for preparing "twin-tailed" tertiary amines which have two moles of alkoxylated phenol bonded to each nitrogen function of a molecule of methylamine and represented by the formula: ##STR1## wherein x represents zero to about 30 which compris... | 09/06/1994 |
| 5288911 | Preparation of ,ω-aminoalcohols Preparation of ,ω-aminoalcohols of the general formula I HO--CH2 --X--CH2 --NH2 (I), in which x denotes a C1 -C20 -alkylene chain optionally substituted by inert radicals and/or opt... | 02/22/1994 |
| 5288909 | Catalytic reforming of alkyleneamines A process of reforming an alkyleneamine feedstock or a mixture of such feedstocks to an alkyleneamine or a mixture of alkyleneamines which is different from the feedstock or feedstock mixture. The process is catalyzed by one of the following: Group VB met... | 02/22/1994 |
| 5214210 | Catalyst and process for making aniline from phenol Phenolic compounds, particularly phenol, are aminated by reaction with ammonia in the presence of a catalyst made by calcining bayerite.... | 05/25/1993 |
| 5210307 | Catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines A process for reforming alkyleneamines to predominantly linearly-extended polyalkylenepolyamines comprising contacting an alkyleneamine or mixture thereof with a catalyst under conditions such that a mixture of polyalkylenepolyamines enriched in linearly-... | 05/11/1993 |
| 5210306 | Promoted amines catalysis This invention relates to a process for making amines by condensing an amino compound in the presence of a condensation catalyst and a condensation catalyst promoter, wherein said condensation catalyst promoter is present in an amount sufficient to promot... | 05/11/1993 |
| 5202485 | Process for preparing N-alkylaminophenols A process for preparing an N-alkylaminophenol is disclosed, comprising subjecting an aminophenol to reductive alkylation with an aldehyde or a ketone in the presence of an organic solvent and hydrogen, wherein the reductive alkylation is carried out at a ... | 04/13/1993 |
| 5159115 | Catalyzed gas-phase mono N-alkylation of aromatic primary amines Described are processes for the gas-phase mono N-alkylation of an aniline or an aminonaphthalene using a C1 to C5 aliphatic alcohol or ether over certain catalyst compositions based upon crystalline molecular sieves or amorphous sili... | 10/27/1992 |
| 5155271 | Process for the alkylation of aromatic amines The invention relates to a process for the preparation of compounds of the formula ##STR1## in which Q is substituted or unsubstituted C1 -C6 alkyl, A is a direct bond or a bridging member, s is the number 1 or 2, Z is a radical... | 10/13/1992 |
| 5142052 | Cationic effect-driven carbinol/amine reaction Aryl- and heterocyclic-methanamines are prepared by reacting a hydroxy-aryl carbinol or a heterocyclic carbinol with a primary or a secondary amine in the presence of a cationic effect reagent.... | 08/25/1992 |
| 5118851 | Process of preparing mixtures of polyalkylenepolyamines and alkanolpolyamines A process of preparing a mixture of polyalkylenepolyamines and alkanolpolyamines comprising contacting a difunctional aliphatic alcohol with a primary or secondary aliphatic amine in the presence of a metal silicate catalyst wherein the metal is selected ... | 06/02/1992 |
| 5118850 | Catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines A process for reforming alkyleneamines to predominantly linearly-extended polyalkylenepolyamines comprising contacting an alkyleneamine or mixture thereof with a catalyst under conditions such that a mixture of polyalkylenepolyamines enriched in linearly-... | 06/02/1992 |
| 5113018 | Method of producing N-alkylaminophenols N-alkyl amino phenols, such as N-ethyl-m-amino phenol are produced in high yield and with high purity by reacting a divalent phenol, such as resorcinol, with an alkylamine, such as ethylamine, in the absence of catalyst and solvent, at a temperature of 12... | 05/12/1992 |
| 5110928 | Preparation of N-aryl-substituted 2-aminoalkyl-2-hydroxyalkylamines and N-aryl-substituted piperazines N-Aryl-substituted 2-amino-alkyl-2-hydroxyalkylamines and N-aryl-substituted piperazines Ia and Ib respectively ##STR1## (Ar=aryl; R1 =hydrogen, methyl, identical or different, R2 =hydrogen, alkyl) are prepared by reacting an ... | 05/05/1992 |
| 5091579 | Aniline catalyst Amination of phenolic compounds by ammonia is accomplished in the presence of a gamma alumina containing a small amount of fluoride.... | 02/25/1992 |
| 5011999 | Process of preparing non-cyclic polyalkylenepolyamines employing group VB metal catalysts A process for the preparation of predominantly non-cyclic polyalkylenepolyamines comprising contacting a difunctional aliphatic alcohol with ammonia or a primary or secondary aliphatic amine in the presence of a catalyst selected from the group consisting... | 04/30/1991 |
| 4992587 | Process of using a ruthenium-promoted, halogen-containing, nickel and/or cobalt catalyst, to catalyze an amination reaction Process for preparing a ruthenium promoted, halogen-containing, nickel and/or cobalt catalyst includes impregnating, in one or more steps, a porous metal oxide support with a nickel compound and/or a cobalt compound, and a ruthenium compound to form a cat... | 02/12/1991 |
| 4987260 | Preparation of anilines An aniline is prepared by reacting a phenol with an amination agent in the presence of a specific porous γ-alumina catalyst.... | 01/22/1991 |
| 4952731 | Process for producing diphenylamines or N,N'-diphenyl-phenylenediamines Diphenylamines or N,N'-diphenyl-phenylenediamines can be obtained by heat-reacting an aniline or a phenylenediamine with preferably an excess of a phenol in an amount of 4 to 20 moles per mole of the aniline or phenylenediamine in th presence of a hydroge... | 08/28/1990 |
