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7615666 Process for production of tertiary amines  
The present invention relates to a process for producing a tertiary amine from its corresponding primary or secondary amine and alcohol as the raw materials by using a film type catalyst. Disclosed...
7601875 Method for producing ethyleneamines  
Preparation of ethyleneamines by reacting monoethanolamine (MEOA) with ammonia in the presence of a catalyst in a reactor (1) and separating the resulting reaction product, where ethylenediamine...
7582583 Shaped body containing a microporous material and at least one silicon-containing binder, method for the production thereof and its use as a catalyst, particularly in a method for producing triethylenediamine (TEDA).  
Process for producing a shaped body comprising a microporous material and at least one silicon-containing binder, which comprises the steps (I) preparing a mixture comprising the microporous...
7563933 Method for producing an ethylamine  
Process for preparing an ethylamine by reacting ethanol with ammonia, a primary amine or a secondary amine in the presence of hydrogen and a heterogeneous catalyst, in which a biochemically...
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...
7518020 Method for controlling the reactor admission temperature during the production of methylamine  
The invention relates to a process for preparing methylamines by gas-phase reaction of methanol and ammonia as starting materials at a pressure in the range from 15 to 30 bar in the presence of...
7514585 Process for producing nitrogen-containing compounds  
The present invention relates to a process for producing an aliphatic amine, including the step of contacting a linear or branched, or cyclic aliphatic alcohol with ammonia and hydrogen in the...
7465835 Synthesis of amines using molecular sieve SSZ-75  
The present invention relates to new crystalline molecular sieve SSZ-75 having STI topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent,...
7442840 Synthesis of severely sterically hindered amino-ether alcohols and diaminopolyalkenyl ethers using a high activity powder catalyst  
The present invention relates to a process for preparing severely sterically hindered secondary amine ether alcohols and diamine polyalkenyl ethers by reacting a primary amino compound with a...
7435855 Process for the continuous synthesis of methylamines  
Process for the continuous synthesis of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the catalyst used is a shaped...
7402702 Process for producing tertiary amine  
The invention relates to a process for producing a tertiary amine, which includes reacting an alcohol with a primary or secondary amine gas in the presence of a catalyst with an agitating vessel...
7351866 Method for manufacturing tertiary amine  
The invention provides a method for manufacturing a tertiary amine, including reacting a tertiary amine with an alcohol and a primary or secondary amine in a reactor loaded with a film type...
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 ZrO 2 , 1 to 30 percent by weight of...
7161038 Process for producing polyoxyalkylene triamine  
The present invention is a process for producing polyoxyalkylene triamine by bringing polyoxyalkylene triol having at its terminal a hydroxyl group into contact with ammonia and hydrogen in the...
7122702 Catalytic hydrogenation of an aliphatically unsaturated group in an organic compound  
Process for the catalytic hydrogenation of an aliphatically unsaturated group in an organic compound in the presence of a catalyst whose preparation has involved precipitation of catalytically...
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...
6924395 Metal modified Pd/Ni catalysts  
This invention relates to improved catalytic compositions suited for use in hydrogenation processes and to an improved process for hydrogenating organic compounds as in amination of alcohols or...
6855776 Amino-terminated polybutadienes  
Improved amine-terminated polybutadienes (ATPBs) having one or two terminal groups of the formula —CHRNH 2 wherein R is C 1 -C 20 alkyl, are prepared by aminating a secondary...
6689914 Preparation of amines  
The preparation of amines of the formula (I): R 1 R 2 CH—N R 3 R 4 (I) in which R 1 , R 2 , R 3 and R 4 , independently of one another, are hydrogen, straight-chain or branched C 1 -C 12...
6525222 Process for preparing amines  
Amines are prepared by reacting aldehydes or ketones at elevated temperature under elevated pressure with nitrogen compounds selected from the group of ammonia, primary and secondary amines, and...
6376713 Process for the preparation of amines  
A single-stage process is described for the preparation of primary aliphatic polyamines of the formula in which R 1 and R 2 independently of one another are hydrogen, methyl, ethyl or...
6365778 Process for the preparation of N-alkypolyhydroxyalkylamines from monoalkylamine and reducing sugar  
Aqueous, alcoholic or aqueous-alcoholic solutions of a monoalkylamine and a reducing sugar are simultaneously injected into a mixing unit and the two solutions are mixed under turbulence in the...
6294633 Catalysts for producing methylamines  
Catalysts for producing methylamines are provided, which comprise mordenite, as the essential component, of spherical fine particles having a crystal diameter of not more than 0.5 μm. When the...
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,...
6232502 Method of making methylamines using chabazite catalysts  
6191310 Diaminoalkane syntheses via selective amination of dihydric alcohols  
Disclosed is a process for selectively producing diaminoalkanes which comprises reacting a dihydric alcohol characterized by two to six carbons, preferably 1,3-propanediol, with excess ammonia and...
6180828 Catalysts for producing methylamines and methods for producing methylamines using the same  
Methylamines are prepared from methanol and ammonia in the presence of modified molecular sieve catalysts obtained by mixing crystalline molecular sieves such as SAPO with modifiers such as...
6057442 Preparation of amines  
Amines are prepared from primary or secondary alcohols and nitrogen compounds selected from the group of ammonia, primary and secondary amines, at from 80 to 250° C. under pressures from 0.1 to 40...
5994585 Amination process  
The present invention relates to an amination process for the manufacture of polyamines. The purpose of the process is to increase the selectivity of linear aminated products and to prevent the...
5952529 Catalyst and process for producing amines  
This invention includes catalysts comprising rhenium (atomic number 75), nickel, cobalt, boron and copper and/or ruthenium impregnated on a support material and a process for preparing said...
5932769 Multi-metallic actalysts for amination of alcohols to form alkylamines  
A process for the production of aliphatic amines by reacting aliphatic alcohols with an amino compound in the presence of a catalyst containing at least two inter-dispersed metals, in a...
5925793 Preparation of tertiary amines  
A process for the preparation of dialkylamines of the general formula I, ##STR1## in which R 1 , R 2 , and R 3 denote C 1 -C 12 alkyl, by the reaction of a dialkylamine of the general formula II...
5917092 Metal exchanged zeolite catalysts for alcohol amination  
A process for the production of predominantly primary and secondary amines and little or no tertiary amines by the reductive amination of aliphatic alcohols using a metal exchanged crystalline...
5910612 Preparation of anhydrous 2-amino-1-methoxypropane  
The process for preparing anhydrous 2-amino-1-methoxypropane proceeds by (a) admixing a 2-amino-1-methoxypropane-containing water-containing reaction mixture, obtainable from the reaction of...
5900510 Process for the preparation of diaminodipropyl ethers and hydroxyaminodipropyl ethers  
Diaminodipropyl ethers and hydroxyaminodipropyl ethers are prepared by catalytic amination of dipropylene glycol.
5891820 Reductive amination processes for the selective production of amino-ethyylethanolamine  
The present invention relates to improved reductive amination processes whereby monoethanolamine and ammonia are reacted in the presence of hydrogen and various reductive amination catalysts to...
5880058 Rare earth supported catalyst useful for preparation of alkanolamines and process for preparing same  
A process is provided which comprises using a catalyst comprises a rare earth element supported on an inorganic heat-resisting carrier, when a monoethanolamine is selectively prepared by reacting...
5808158 Production of primary guerbet amines  
A process for producing primary amines which comprises reacting primary alcohols branched in position 2 with ammonia in the presence of a metal catalyst/co-catalyst.
5696294 Process for producing N,N-dimethyl-N-alkylamine or N,N-dimethyl-N-alkenylamine  
N,N-Dimethyl-N-alkylamine or -alkenylamine is prepared by reacting a higher alcohol and dimethylamine by passing hydrogen gas and dimethylamine into a reactor containing a catalyst for the reaction...
5696293 Catalyst composition for producing polyether polyamine and production method of polyether polyamine by use of the catalysts composition  
The present invention provides a catalyst composition for producing a polyether polyamine, comprising: (a) ruthenium and (b) at least one of metals selected from the group consisting of...
5679862 Amination process  
A process for the amination of aliphatic alkane derivatives such as alcohols (mono and polyhydric) which uses catalytic distillation to take advantage of the condensing distillate within the...
5646235 Reductive alkylation of polyamines  
A method is provided for the preparation of tertiary polyamines by alkylating a polyamine having at least two primary amino groups without the use of excess solvent. More particularly, a tertiary...
5625098 Process for preparing N-alkyl polyhydroxyalkyl amines in aqueous/hydroxy solvents  
Amines such as methyl amine are reacted with materials such as reducing sugars in aqueous/hydroxy solvents such as water and/or methanol to prepare N-alkyl polyhydroxy amines. Accordingly, glucose...
5608113 Process for preparation of diamines by catalytic amination of aminoalcohols  
In a process for preparing diamines from aminoalcohols and nitrogen compounds selected from the group consisting of ammonia and primary and secondary amines at from 80° to 250° C. and pressures...
5554793 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...
5530127 Preparation of amines  
A process for the preparatiion of an amine which comprises reacting a primary or secondary alcohol and a nitrogen compound selected from the group consisting of ammonia and primary and secondary...
5444099 Tertiary aminoalcohol ane process for producing the same, and, polyurethane and process for producing the same  
A tertiary aminoalcohol having a tert-amino group(s) in the main chain and hydroxyl groups at the terminals. The use of this compound for purposes different from that of ordinary amines and amine...
5410086 Selective preparation of diethylenetriamine  
This invention relates to a method for controlling the weight ratio of diethylenetriamine to piperazine in a process in which ethylenediamine, or a mixture of ethylenediamine and monoethanolamine,...
5399769 Preparation of methylamines using shape selective chabazites  
This invention relates to a process for producing a nonequilibrium distribution of methylamines by the catalyzed reaction of methanol and/or dimethyl ether with ammonia and by the catalytic...
5364971 Decolorization of polyethylene polyamines using ruthenium  
The present invention relates to a process for the reduction of the color of polyamines by reacting at elevated temperature, e.g. 120°-170° C., and pressure, e.g. 500 to 6000 psig. the colored...
Matches 1 - 50 out of 235 1 2 3 4 5 >