Abstract: This invention relates to a process for making amines by condensing an amino compound in the presence of a metallic polyphosphate condensation catalyst having a condensed structure. This invention also relates to an alkyleneamines producers composition rich in triethylenetetramine (TETA), tetraethylenepentamine (TEPA) and pentatethylenehexamine (PEHA).

Abstract: A mixed oxide catalyst comprising niobium oxide and a member selected from the group consisting of titania, alumina, silica, zirconia and oxides of elements in Groups IIA, VA, VIA, IB, IIB, IIIB, VB, VIB, VIIB and VIII of the Periodic Table. A process for producing an alkylenamine, which comprise reacting ammonia and/or an alkylenamine with an alkanolamine in the presence of such a mixed oxide.

Abstract: A continuously generated alkyleneamines producers composition comprising, based on 100% of the moles of the composition and exclusive of any MEA and water present,(a) about 15 to about 50 mole % AEEA,(b) about 15 to about 55 mole % EDA,(c) about 10 to about 20 mole % DETA,(d) about 5 to about 20 mole % of the combination of PIP, AEP and HEP,(e) about 3 to about 10 mole % of one or more of TETAs and TEPAs,(f) less than about 1 mole % of other polyalkylene polyamines,(g) an DETA to AEEA mole ratio less than 0.77, and(h) an EDA to AEEA mole ratio less than 8;and a process of manufacturing the same, which comprises feeding hydrogen, ammonia and MEA to a reaction zone containing a fixed bed of a reductive amination catalyst, wherein the hydrogen comprises about 20 to about 60 mole percent of the feed in the reaction zone and the mole ratio of ammonia to MEA is about 1 to about 5, the temperature of the reaction zone is about 120.degree. C. to about 300.degree. C.

Abstract: A continuously generated alkyleneamines producers composition comprising, based on 100% of the moles of the composition and exclusive of any MEA and water present,(a) about 50 to about 90 mole % AEEA,(b) less than about 3 mole % EDA but more than 0.01 mole % EDA,(c) less than about 2 mole % DETA but more than 0.01 mole % DETA,(d) about 5 to about 18 mole % of the combination of PIP, AEP and HEP,(e) about 5 to about 20 mole % of one or more of TETAs and TEPAs,(f) less than about 1 mole % of other polyalkylene polyamines,(g) a mole ratio of AEEA to the combination of PIP, AEP, HEP, DETA and EDA is greater than about 2.

Abstract: The present invention provides a novel process for manufacturing N-(polyoxyalkyl)-N-(alkyl) amines. The process is characterized by reacting a polyetheramine in which the amine groups are predominantly primary in character with a low molecular weight, sterically hindered alcohol in the presence of an appropriate catalyst, such as nickel using specific reaction conditions.

Abstract: The present invention is a process for selectively aminating alcohols wherein a mixture of an amine and a primary or secondary alcohol or diol is contacted with a catalytically effective amount of a phosphorus-containing catalyst which has been impregnated or titrated with a metal cation salt composition represented by the formula:M.sub.a.sup.m.spsp.+ X.sub.b.sup.n.spsp.-wherein M.sup.m+ is a cation selected from Group Ia and IIa of the Periodic Table of the elements having a valence m, X.sup.n- is an organic or inorganic anionic species having a valence n, and a and b are integers such that the ratio of a to b provides a neutral salt. A typical reaction includes the amination of ethanol with piperidine to form N-ethylpiperidine.

Abstract: A process for preparing monoalkanolamines from ammonia and alkylene oxide using a catalyst which allows for high selectivity and high productivity which comprises an acid modified montmorillonite clay.

Abstract: A process for the manufacture of amines by reacting at an elevated temperature an olefin selected from a monoolefin, the alcohol corresponding to its hydration, or a mixture of the monoolefin and the alcohol with ammonia or a primary or secondary amine in the presence of a catalyst and a solvent, said catalyst being ammonium sulfate of a double sulfate of ammonium and a transition metal.

Abstract: Preparation of aliphatic N,N-dialkyl-substituted amino alcohols of the general formula I ##STR1## from diols of the general formula IIHO--A--OH (II)and secondary amines of the general formula III ##STR2## where A is an aliphatic chain of at least 2 carbon atoms and R.sup.1 and R.sup.2 are alkyl radicals of from 1 to 6 carbon atoms, which may be joined to form a five-membered or six-membered ring--in the liquid phase at elevated temperature and pressure and in the presence of a hydrogenation/dehydrogenation catalyst, hydrogen, and a basic alkali-metal or alkaline-earth-metal compound, where (a) the temperature is from 150.degree. C. to 250.degree. C.; (b) the total pressure is from 40 bar to 250 bar; (c) the hydrogen partial pressure is from 2 bar to 60 bar; (d) the hydrogenation/dehydrogenation catalyst is based on copper; (e) water is present, the mass being from 1% to 20% of the mass of the reaction mixture.

Abstract: This invention relates to a process for producing ethylene diamine in high selectivity and high conversion by reacting monoethanolamine with ammonia in the presence of a catalyst. The catalyst which permits the production of ethylenediamine in high selectivity and high conversion is a hydrogen mordenite catalyst that has been treated in such a manner as to raise the silicon to aluminum ratio of the mordenite, such treatment, then being referred to as partial dealumination.

Abstract: This invention pertains to an improved process for preparing noncyclic polyalkylene polyamine compounds in high selectivity by reacting an alkanolamine and an alkylene amine in the presence of an acidic catalyst. The improvement resides in effecting the reaction under fixed bed catalytic conditions and maintaining the reaction conditions such that a vapor phase condition exists for the reaction mixture comprising both reactants and products. To accomplish the formation of vapor phase conditions, sufficient alkylenediamine is injected into the feedstream along with alkanolamine, temperature is maintained from 200.degree.-280.degree. C., and pressure ranges from about 0 psig to 150 psig so that the dew point temperature of the reaction product mix is below the reaction temperature at reaction pressure.

Abstract: Enhanced production of predominantly linearly extended polyalkylene polyamines from alkylenediamines reacted with alkylene glycols or alkanolamines using a phosphorus-containing catalyst is achieved by removing water during the reaction.

Abstract: This invention relates to a process for preparing an alkylamine by contacting an alcohol and at least one of ammonia, a primary amine, a secondary amine or a tertiary amine with a non-zeolitic molecular sieve under conditions effective to produce the alkylamine.

Abstract: A process for the preparation of tertiary alkylamines having a total of up to 9 carbon atoms by reacting a dialkylamine with a C.sub.2 -C.sub.4 -alcohol in the presence of a hydrogenation/dehydrogenation catalyst which contains essentially only copper as the hydrogenating/dehydrogenating catalytic metal is proposed, wherein the reactants(a) are present in the liquid phase,(b) contain alkali metal and/or alkaline earth metal oxides and/or hydroxides and(c) are reacted in a molar ratio of dimethylamine to alcohol of from 1:10 to 10:1 and(d) in the presence of the water formed during the reaction.

Abstract: Trialkylamines are prepared by reacting primary alcohols with ammonia or a primary alkylamine in the presence of a hydrogenation/dehydrogenation catalyst and in the presence of hydrogen by(a) operating in liquid phase(b) using the alcohol in a stoichiometric excess of from 1 to 15 moles per mole of ammonia or primary alkylamine,(c) carrying out the reaction in the presence of the water formed in the course of the reaction, and(d) using a hydrogenation/dehydrogenation catalyst which substantially contains only copper as the catalytically hydrogenating/dehydrogenating metal.

Abstract: Process for the improvement of the quality of polyalkylene polyamines prepared by the reaction of (i) ammonia and/or an alkyleneamine compound having at least two amino groups and an alkanolamine compound having at least one amino group in the presence of a catalytically effective amount of a metal acid phosphate and at a temperature and pressure sufficient to form the polyalkylene polyamine.

Abstract: Primary, secondary and tertiary amines are prepared by reacting ammonia or a primary amine with a primary or secondary monohydric or polyhydric alcohol over a copper catalyst such as that which forms of its own accord from copper formate under the reaction conditions.

Abstract: Improved acidic zeolite rho and ZK-5 catalysts for conversion of methanol and ammonia to dimethylamine are disclosed. The acidic zeolite rho catalyst is prepared by calcining zeolite NH.sub.4 -rho or H-rho in the presence of steam. The acidic zeolite ZK-5 catalyst is prepared by calcining zeolite NH.sub.4 -ZK-5 or H-ZK-5 in the presence of steam. An acidic zeolite rho which has been prepared by calcining zeolite NH.sub.4 -rho in a vertical furnace in the presence of ammonia is disclosed. Processes for producing dimethylamine with the specified catalysts are also disclosed.

Abstract: A process is provided for producing dimethylamine, comprising reacting methanol and/or dimethylether and ammonia, in amounts sufficient to provide a carbon/nitrogen (C/N) ratio of from about 0.2 to about 1.5, at a temperature from about 250.degree. C. to about 450.degree. C., in the presence of a catalytic amount of an acidic zeolite rho.

Abstract: The catalytic alkylation of primary and secondary amino groups in linear polyamines using an "activated" copper catalyst.

Abstract: The present invention relates to a process for the reduction of the color of polyamines by reacting at elevated temperature, i.e. 50.degree. to 175.degree. C., and pressure, i.e. 50 to 1500 psig, such colored polyamines, e.g. triethylenetetramine or tetraethylenepentamine, in the presence of a hydrogenation catalyst, e.g. Raney nickel or palladium on carbon, and a hydrogen atmosphere for a period of time sufficient to effectuate the desired reduction in color. In the process of the present invention, the polyamines can either be distilled into a narrow product composition and then hydrogenated or a crude polyamine product can be hydrogenated and then distilled to produce the desired product composition.

Abstract: Selective mono- or di-amination of alkanediols is controllably obtained by catalytic reaction with secondary amines at moderate temperature and autogenous pressure, by selection of the catalyst employed. Ruthenium complexes compounded or admixed with selected organic phosphines, such as triphenylphosphine, favor high yields of alkanolamines, while ruthenium complexes in the absence of organic phosphines favor production of alkylenediamines. Iridium complexes with or without organic phosphines in admixture or chemical combination, also promote production of alkylenediamines.

Abstract: A process is provided for producing dimethylamine, comprising reacting methanol and/or dimethylether and ammonia in amounts sufficient to provide a carbon/nitrogen (C/N) ratio from about 0.2 to about 1.5, at a temperature from about 250.degree. C. to about 450.degree. C., in the presence of a catalytic amount of an acidic zeolite catalyst selected from the group consisting of natural, H-exchanged, and M-exchanged chabazites, each having a geometric selectivity index greater than about 3, wherein M is one or more alkali metal ions selected from the group consisting of Na, K, Rb, and Cs.

Abstract: Piperazine, in solution in methanol may be substantially selectively converted to N,N'-dimethyl piperazine when using a catalyst composed of titania to which from about 0.5 to about 7 wt. % of phosphorous has been thermally chemically bonded in the form of phosphate linkages.

Abstract: This invention pertains to an improved process for preparing noncyclic polyalkylene polyamine compounds in high selectivity by reacting an alkanolamine and an alkylene amine in the presence of an inert gas and an acidic catalyst. The improvement resides in effecting the reaction under fixed bed catalytic conditions and maintaining the reaction conditions such that a vapor phase condition exists for the reaction mixture comprising both reactants and products. To accomplish the formation of vapor phase conditions sufficient inert gas is injected into the feedstream along with alkanolamine and alkylene amine so that the dew point temperature of the reaction product mix is below the reaction temperature at reaction pressure.

Abstract: The present invention comprises a process for the synthesis of hydroxyalkyl amines, hydroxyalkyl piperazines, or alkyl piperazines from alkylene glycols and ammonia or alkyl amines using a substantially soluble transition metal carbonyl complex catalyst precursor.

Abstract: It has been surprisingly discovered in accordance with the present invention that N-methylethanolamine may be converted to N,N'-dimethylpiperazine when using a catalyst composed of titania to which from about 0.5 to about 7 wt. % of phosphorus has been thermally chemically bonded in the form of phosphate linkages.

Abstract: Ethylenediamine and diethanolamine and/or hydroxyethyldiethylenetriamine can be converted to N-aminoethylpiperazine and tetraethylenepenetamine when using a catalyst composed of titania to which from about 0.5 to about 7 wt. % of phosphorus has been thermally chemically bonded in the form of phosphate linkages.

Abstract: A process for producing dimethylamine is provided, comprising reacting methanol and/or dimethylether and ammonia, in amounts sufficient to provide a carbon/nitrogen (C/N) ratio from about 0.2 to about 1.5, and at a temperature from about 250.degree. C. to about 450.degree. C., in the presence of a catalytic amount of a modified acidic zeolite selected from the group consisting of chabazite, erionite, ZK-5, and rho, the zeolite having been modified by treatment with one or more compounds containing at least one element selected from the group consisting of silicon, aluminum, phosphorus, and boron, to deposit thereon at least 0.05 weight percent of the element.

Abstract: Disclosed is a process for producing di-amino-polyalkenyl ethers by reacting (a) one or more acyclic or heterocyclic amino compounds with (b) one or more polyalkenyl ether glycols or polyalkenyl amino ether alcohols, in the presence of a hydrogenation catalyst, at elevated temperatures and pressures.

Abstract: Alkanols, e.g., octanol, are reacted in gas mixtures with excess ammonia and preferably hydrogen at temperatures from 180.degree. to 340.degree. C. over supported catalytic oxides of copper, manganese, antimony and tin at atmospheric to moderate pressures. Depending on the selected catalyst and selected temperature, yields of 40% to 98% of monoalkyl amines or nitriles are produced. Other organic substrates, such as aromatic alcohols and aldehydes, aliphatic aldehydes, esters and primary and secondary amines can also be converted to nitriles at yields greater than 90%. The process is readily adaptable for continuous flow processing.

Abstract: Ethyleneamines are recovered from an aqueous solution of carbonates of ethyleneamines by distilling an aqueous solution of carbonates of ethyleneamines including ethylenediamine, in which the molar ratio of the carbon dioxide component to the ethyleneamines including ethylenediamine is 0.01 to 0.5, whereby ethylenediamine is distilled out together with water. The aqueous solution to be distilled is advantageously prepared by heating an aqueous solution of carbonates of ethyleneamines including ethylenediamine to effect decarboxylation.

Abstract: Ethanolamine is subjected to reductive amination in a continuous process to produce diethylenetriamine with less than 10 weight percent piperazine contained in the reaction products. The reductive amination conditions include the use of a catalyst, an ethanolamine feed rate of at least about 400 kilograms of ethanolamine per hour per cubic meter of catalyst, and a temperature sufficient to react between about 35 and 60 percent of the ethanolamine fed.

Abstract: The present invention is directed to the use of a reaction product of an alkynediol and a polyalkylene polyamine to control corrosion of metallic surfaces in contact with a substantially anhydrous elevated temperature mixture of a hydrocarbon and propionic acid. The method is particularly useful in controlling the corrosion of overheads in a crude unit of a refinery where problems of this nature are prevalent.

Abstract: N-alkylmorpholines are prepared by passing a reaction mixture over a catalyst composed of titania to which from about 0.5 to about 7 wt. % of phosphorus has been thermally chemically bonded in the form of phosphate linkages, the reaction mixture being composed of a C.sub.1 -C.sub.4 primary alkyl alcohol and a feedstock selected from the class consisting of morpholine, diethanolamine and bis-aminoethylether.

Abstract: The present invention concerns a potentiated nickel catalyst and its use for the catalytic amination of lower aliphatic alkane derivatives.

Abstract: 1,3-Diamino-2,2-dialkylpropanes whose alkyl substituents are each of 1 to 4 carbon atoms are prepared by reacting the corresponding 2,2-dialkylpropane-1,3-diols with ammonia in the presence of hydrogen under superatmospheric pressure by a process in which the reaction is carried out in solution and in the presence of a cobalt-containing catalyst.

Abstract: A method for making amines by reacting alcohols and/or aldehydes with primary and/or secondary amines or with ammonia in the presence of a catalyst at elevated temperature, and optionally at elevated pressure, in the liquid phase, the catalyst being an unsupported catalyst consisting of a combination of copper and tin compounds.

Abstract: This invention pertains to an improved process for preparing noncyclic polyalkylene polyamine compounds in high selectivity by reacting ammonia, an alkanolamine and an alkylene amine in the presence of an acidic catalyst. The improvement resides in effecting the reaction under fixed bed catalytic conditions and maintaining the reaction conditions such that a vapor phase condition exists for the reaction mixture comprising both reactants and products. To accomplish the formation of vapor phase conditions, sufficient ammonia is injected into the feedstream along with alkanolamine and alkylene amine so that the dew point temperature of the reaction product mix is below the reaction temperature at reaction pressure.

Abstract: A method for the separation of bis-(2-aminoethyl)ether from N-(2-methoxyethyl)morpholine via azeotropic distillation using an entrainer such as monoethanolamine is described. The N-(2-methoxyethyl)morpholine is selectively removed by the monoethanolamine. The N-(2-methoxyethyl)morpholine is then separated from the monoethanolamine by liquid-liquid extraction using a non polar hydrocarbon or aromatic extraction solvent and distillation.The N-(2-methoxyethyl)morpholine-monoethanolamine stream previously had no economic use. The separation is now economically effected and the N-(2-methoxyethyl)morpholine used as a polyurethane catalyst.

Abstract: This invention is directed to thermally activated pelletted catalyst compositions comprising titania having phosphorous derived from a diaminohydrogen phosphate deposited thereon and to their preparation and their use in the production of predominantly linear polyethylenepolyamines from ethylenediamine and monoethanolamine.

Abstract: This invention is directed to pelletted thermally activated catalyst compositions comprising titania having phosphorous derived from a trialkyl phosphate or phosphite deposited thereon and to their use in the production of predominantly linear polyethylenepolyamines from ethylenediamine and monoethanolamine.

Abstract: A process for preparing predominantly noncyclic polyalkylene polyamine compounds is disclosed wherein an alkanolamine compound and an alkyleneamine compound in a molar ratio of alkanolamine compound:alkyleneamine compound of 1:5 to 3:1, preferably less than 1, is reacted in the presence of a catalytically effective amount of a Group IIA or Group IIIB metal acid phosphate at a temperature from about 200.degree. to 400.degree. C. under a pressure sufficient to maintain the reaction mixture substantially in liquid phase.

Abstract: A process is provided for producing dimethylamine comprising reacting methanol and/or dimethylether and ammonia in amounts sufficient to provide a carbon/nitrogen (C/N) ratio from about 0.2 to about 1.5, at a temperature from about 250.degree. C. to about 450.degree. C., in the presence of a catalytic amount of an acidic H-ZK-5 zeolite catalyst.

Abstract: A liquid phase catalytic alkylation of methylamine by long chain fatty alcohols, using as catalyst a mixture of compounds containing nickel, copper, and Group IIA metal, to provide mixtures of monoalkyl, dialkyl and trialkyl amines of preselected ratios, which, upon quaternization with methyl chloride, produce commercial mixtures of monoalkyl, dialkyl and trialkyl quaternary ammonium salts.

Abstract: This invention is directed to thermally activated pelletted catalyst compositions comprising phosphorous compounds deposited on group IVb transition metal oxides and their use in the production of predominately linear polyethylenepolyamines from ethylenediamine and monoethanolamine.

Abstract: This invention is directed to pelletted catalyst compositions supported on group IVb transition metal oxides that contain phosphorous derived from phosphoryl chloride or phosphorous bromide and their use in the production of predominantly linear polyethylenepolyamines from ethylenediamine and monoethanolamine.

Abstract: This invention is directed to activated carbon and chemically treated activated carbon catalysts and to their use in the production of predominantly linear polyethylenepolyamines from ethylenediamine and monoethanolamine.

Abstract: Synthesis of organic amines by condensation of organic hydroxy compound with ammonia or a primary or secondary amine in the presence of a rare earth metal hydrogen phosphate catalyst.

Abstract: A process for the selective production of dimethylamine in preference to mono- and trimethylamines by a catalytic vapor phase reaction of ammonia and methanol over a zeolite selected from mordenite, clinoptilolite and erionite is disclosed, wherein the improvement is characterized by the fact that the zeolite used has been contacted with steam at a temperature of 250.degree. to 700.degree. C.