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| Number | Title | Issue Date |
| 7642383 | Process for preparing alkylamines by reacting olefins with ammonia A process for preparing alkylamines by reacting olefins with ammonia under hydroaminating conditions over a calcined zeolitic catalyst in an adiabatically operated reactor unit, wherein the reaction mixture comprising the starting olefin, ammonia and the correspondi... | 01/05/2010 |
| 7462745 | Method for the production of 2,7-octadienyl derivatives Process for preparing 1-octa-2,7-dienyl derivatives by reacting a 1,3-butadiene-containing hydrocarbon mixture, in particular a C4 fraction from a cracker, with nucleophiles, in which acetylenically unsaturated compounds are removed from the starting hydr... | 12/09/2008 |
| 7361623 | Trimerisation and oligomerisation of olefins using a chromium based catalyst The invention provides a mixed heteroatomic ligand for an oligomerisation of olefins catalyst, which ligand includes at least three heteroatoms, of which at least one heteroatom is nitrogen and at least two heteroatoms are not the same. The invention also provides a... | 04/22/2008 |
| 7326401 | MWW type zeolite substance, precursor substance therefor, and process for producing these substances A process for easily synthesizing a zeolite substance containing an element having a large ionic radius in the framework at a high ratio. This process comprises the following first to fourth steps: First Step: a step... | 02/05/2008 |
| 7258807 | Controlled growth of gallium nitride nanostructures A transition metal substituted, amorphous mesoporous silica framework with a high degree of structural order and a narrow pore diameter distribution (±0.15 nm FWHM) was synthesized and used for the templated growth of GaN nanostructures, such as single wall nanotub... | 08/21/2007 |
| 7253322 | Method for producing ethyldimethylamine and triethylamine The present invention describes a process for the preparation of ethyldimethylamine and triethylamine with the following steps: (i) reaction of a mixture of diethylamine and dimethylamine with ethylene in the presence of a catalyst... | 08/07/2007 |
| 7220884 | Hydroaminomethylation of olefins The present invention relates to a method comprising the step of contacting under hydroaminomethylation conditions, an olefin, an amine, a rhodium-phosphorous ligand, and synthesis gas (syngas). In particular, it has been discovered that, under some circumstances, a... | 05/22/2007 |
| 7161039 | Method and device for producing ethylamine and butylamine A process for preparing ethylamines, butylamines and mixed ethyl/butylamines comprising the following steps: (i) Hydroamination of butadiene and ethylene by means of a monoalkylamine and/or a dialkylamine in which alkyl=ethyl and/o... | 01/09/2007 |
| 7157606 | Process for producing an amino composition The process for producing an amino composition of the present invention by addition reaction of a polyamine with an alkenyl group-containing compound wherein said polyamine is reacted preliminarily with a strongly basic catalyst to produce a reaction mixture compris... | 01/02/2007 |
| 7074964 | Preparation of alkylamines and method of increasing the hydroamination activity of calcined zeolitic catalysts In a process for preparing alkylamines by reacting olefins with ammonia, primary or secondary amines under hydroaminating conditions over a calcined zeolitic catalyst, the calcined zeolitic catalyst is thermally activated at from 100 to 550° C. in a gaseous stream ... | 07/11/2006 |
| 7057075 | Method for producing amines by means of olefin animation in the presence of unstaturated nitrogen compounds In a process for preparing alkylamines (product amines) by reacting alkenes with amines (starting amines) in the presence of a metal hydride or metal as catalyst is carried out in the process of the present invention, the reaction is carried out in the presence of a... | 06/06/2006 |
| 7053246 | Preparation of a symmetrical secondary amine Process for preparing a symmetrical secondary amine by reaction of a primary amine in the presence of hydrogen and a catalyst whose preparation has involved precipitation of catalytically active components onto monoclinic, tetragonal or cubic zirconium dioxide. ... | 05/30/2006 |
| 7026523 | Method for telomerizing non-cyclic olefins The invention provides a process for the telomerization of acyclic olefins having at least two conjugated double bonds (I) or mixtures comprising such olefins by means of nucleophiles (II) using a palladium-carbene complex as catalyst. ... | 04/11/2006 |
| 6909018 | Preparation of polyalkeneamines Polyalkeneamines of the formula (I) where R1, R2, R3, R4, R5 and R6 may have different meanings, are prepared by a process in which a polyalkene epoxide... | 06/21/2005 |
| 6809222 | Process of preparation of aliphatic amines Aliphatic amines are obtained by continuous addition of ammonia to C2- to C8-alkenes in the presence of a heterogeneous or homogeneous catalyst at a pressure of 2 to 8 MPa, a temperature of 220 to 320° C. and a molar ratio of ammonia to the al... | 10/26/2004 |
| 6723880 | Preparation of secondary amines from primary amines A process for producing secondary amines of the formula R1R2N—A—NH—A—NR1R2, where R1 and R2 are linear or branched C1-20-alkyl radicals, optionally substituted with from 1 to 5 phen... | 04/20/2004 |
| 6706923 | Perfluoroalkyl-substituted amines, acids, amino acids and thioether acids Perfluoroalkyl-substituted amines, acids, amino acids and thioether acid compounds containing a perfluoroalkyl-iodoalkyl or perfluoroalkyl-alkene group as well as derivatives thereof, are described. They are useful as surfactants in a variety of applications where l... | 03/16/2004 |
| 6639118 | Isomerization of vinylidene olefins Process technology for selectively isomerizing vinylidene olefin to tri-substituted olefin is described. The vinylidene olefin, normally in admixture with other types of olefins, especially linear 1-olefins, is treated with anhydrous hydrogen bromide unde... | 10/28/2003 |
| 6576796 | Process for the preparation of alkylamines Preparation of alkylamines, where, in a first process stage, an olefin is reacted with ammonia, a primary amine and/or a secondary amine under hydroaminating conditions, and then, in a second process stage, the resulting hydroamination product(s) is/are r... | 06/10/2003 |
| 6492558 | Preparation of n-butylamines Process for the preparation of n-butylamines where n-butenylamines are firstly prepared by reacting 1,3-butadiene in the form of a 1,3-butadiene containing mixture obtained during the cracking of petroleum fractions or during the dehydrogenation of LPG or... | 12/10/2002 |
| 6486353 | Process for producing optically active 3,7-dimethyl-6-octenol and process for producing intermediate therefor Cis-3,7-dimethyl-2,7-octadienylamine containing from 2 to 10% by weight cis-3,7-dimethyl-2,7-octadienylamine is prepared by subjecting a mixture of an alkylamine and isoprene in a molar ratio of 1:4 to 1:4.5 to telomerization at 80 to 100° C. for from 2.... | 11/26/2002 |
| 6414207 | Preparation of a basic catalyst avoiding high temperatures A catalyst comprising at least one alkali metal and at least one metallic or semimetallic promoter selected from the group consisting of Ca, Sr, Ba, Ag, Au, Zn, Cd, Hg, In, Tl, Sn, As, Sb and Bi, on a support which may be doped with one or more compounds ... | 07/02/2002 |
| 6384282 | Transition metal-catalyzed process for addition of amines to carbon-carbon double bonds The present invention is directed to a process for addition of amines to carbon-carbon double bonds in a substrate, comprising: reacting an amine with a compound containing at least one carbon-carbon double bond in the presence a transition metal catalyst... | 05/07/2002 |
| 6350914 | Preparation of amines from olefins over zeolites having an NES structure In a process for preparing amines of the general formula I ##STR1## where R1,R2,R3,R4,R5,R6 are hydrogen, C1 -C20 -alkyl, C2 -C20 -alkenyl, C2 | 02/26/2002 |
| 6281387 | Process and catalyst for synthesizing aliphatic, cyclic and aromatic alkanolamines and alkyleneamines The invention provides a process for synthesizing alkanolamines and/or alkyleneamines by reacting either an alkane, an alkene, or both with a source of oxygen and a source of nitrogen and, optionally, additional hydrogen to convert the alkane and/or alken... | 08/28/2001 |
| 6153780 | Process for the preparation of octa-2,7-dienyl-1-amine from butadiene and ammonia in the presence of palladium complex catalyst Process for the preparation of octa-2,7-dienyl-1-amine by telomerization of butadiene with ammonia in a two-phase system in the presence of hydrophilic palladium complexes, characterized in that octa-2,7-dienyl-1-amine and octa-1,7-dienyl-3-amine are isol... | 11/28/2000 |
| 6147238 | Process for the preparation of octa-2,7-dienyl-1-amine from butadiene and ammonia in the presence of palladium complex catalyst Process for the preparation of octa-2,7-dienyl-1-amine by telomerization of butadiene with ammonia in a two-phase system in the presence of hydrophilic palladium complexes, characterized in that octa-2,7-dienyl-1-amine and octa-1,7-dienyl-3-amine are isol... | 11/14/2000 |
| 6143934 | Preparation of amines from olefins over boron beta-zeolites In a process for preparing amines of the general formula I ##STR1## where R1, R2, R3, R4, R5, R6 are hydrogen, C1 -C20 -alkyl, C2 -C20 -alkenyl, ... | 11/07/2000 |
| 6140541 | Process for preparing polyalkene amines Polyalkeneamines of the formula (I) ##STR1## where R1, R2, R3, R4, R5 and R6 may have different meanings, are prepared by a process in which a polyalkene epoxide is reacted with an ami... | 10/31/2000 |
| 6087535 | Process for chloroalkynes and alkynyl amines This invention provides an improved process for the preparation of chloroalkynes from alkynyl alcohols. The chloroalkynes can be employed to prepare alkynyl amines which are useful for the manufacture of biologically active materials. The present inventio... | 07/11/2000 |
| 6051738 | Process for the preparation of octa-2,7-dienyl-1-amine from butadiene and ammonia in the presence of palladium complex catalyst Process for the preparation of octa-2,7-dienyl-1-amine by telomerization of butadiene with ammonia in a two-phase system in the presence of hydrophilic palladium complexes, characterized in that octa-2,7-dienyl-1-amine and octa-1,7-dienyl-3-amine are isol... | 04/18/2000 |
| 6008393 | Iridium-diphospine complexes and process for the hydrogenation of imines Compounds of formulae I: (DIP)IrXq Yr (Z), Ia: (DIP)IrXs Yt (Z)2 and Ib: (DIP)Ir(Z)3 or mixtures of at least two of those compounds, wherein DIP is a ditertiary diphosphine, the two phosphi... | 12/28/1999 |
| 6005144 | Reaction products of polyisobutenes and oxides of nitrogen or mixtures of oxides of nitrogen and oxygen and their use as fuel and lubricant additives Reaction products of polyisobutenes having an average degree of polymerization P of from 10 to 100 and a content E of from 60 to 90% of double bonds which can react with maleic anhydride, E=100% corresponding to the theoretical value for the case where ea... | 12/21/1999 |
| 5900508 | Preparation of amines from olefins over zeolites of the type PSH-3, MCM-22, SSZ-25 or mixtures thereof A process for the preparation of amines by reacting an olefin with ammonia or a primary or secondary amine at a temperature of from 200 to 350° C. and a pressure of from 100 to 300 bar in the presence of at least one zeolite having the specific structure... | 05/04/1999 |
| 5886226 | Process for producing amines from olefins on zeolites of types SSZ-33, CIT-1 or mixtures thereof A process for preparing amines of the general formula I ##STR1## where R1, R2, R3, R4, R5 and R6 are each hydrogen, C1 -C20 -alkyl, C2 -C20 -alke... | 03/23/1999 |
| 5877352 | Preparation of amines from olefins on boron-MCM-22 or ERB-1 zeolites A process for preparing amines of the formula I ##STR1## where R1,R2,R3,R4,R5,R6 are hydrogen, C1 - to C20 -alkyl, C2 - to C20 -alkenyl, C2 | 03/02/1999 |
| 5874621 | Preparation of amines from olefins over NU-85 zeolites Amines of the general formula I ##STR1## where R1, R2, R3, R4, R5 and R6 : are each hydrogen, C1 -C20 -alkyl, C2 -C20 -alkenyl, C2 ... | 02/23/1999 |
| 5840988 | Preparation of amines from olefins on zeolites of the MCM-49 or MCM-56 type A process for preparing amines of the formula I ##STR1## where R1,R2,R3,R4,R5,R6 are hydrogen, C1 - to C20 -alkyl, C2 - to C20 -alkenyl, C2 | 11/24/1998 |
| 5834611 | Complexes containing tris-(hydroxyalkyl)-phosphines as ligands for telomerizations, as catalysts and new complexes containing tris-(hydroxyalkyl)-phosphines In a process for the telomerization of dienes with nucleophiles in a liquid two-phase system, use is made as catalysts of complexes comprising a transition metal as central atom and at least one tris-(hydroxyalkyl)-phosphine or -phosphine oxide as ligand.... | 11/10/1998 |
| 5831129 | Preparation, with heterogeneous catalysis, of N-hydroxyalkyl-substituted aminoalkynes N-Hydroxyalkyl-substituted aminoalkynes of the formula I ##STR1## are prepared by reacting an alkyne with a 1-oxa-3-azaheterocyclo-alkane in a reaction with heterogeneous catalysis by a catalyst which comprises a compound of a metal of the first or s... | 11/03/1998 |
