US4698145A — Supported transition metal sulfide promoted molyb…

Claim 1

Independent Claim 147 words

A hydrocracking process comprising contacting a hydrocarbon feed at a temperature of at least about 100° C. and in the presence of hydrogen, with a catalyst obtained by compositing a quantity of inorganic refractory oxide support material with one or more precursor salts and heating said composite at elevated temperature of at least about 150°, in the presence of sulfur or sulfur bearing compound and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand L, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to hydrocrack at least a portion of said feed.

Claim 2

Dependent Claim 147 words

A hydrocracking process comprising contacting a hydrocarbon feed at a temperature of at least about 100° C. and in the presence of hydrogen, with a catalyst obtained by compositing a quantity of inorganic refractory oxide support material with one or more precursor salts and heating said composite at elevated temperature of at least about 150°, in the presence of sulfur or sulfur bearing compound and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand L, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to hydrocrack at least a portion of said feed.

Claim 3

Dependent Claim 74 words

The process of claim 1 wherein said precursor salt is of the general formula (ML) (Mo y W 1-y S 4 ) wherein M comprises one or more promoter metals selected from the group consisting of divalent Ni, Zn, Cu, Co and mixture thereof, wherein y is any value ranging from 0 to 1 and wherein L is one or more neutral, nitrogen-containing ligands, at least one of which is a chelating polydentate ligand.

Claim 4

Dependent Claim 22 words

The process of claim 2 wherein said precursor salt is formed in the presence of a slurry of particles of support material.

Claim 5

Dependent Claim 29 words

The process of any of claims 1, 2 or 3 wherein ligand L is selected from the group consisting of alkyl amines, aryl amines, nitrogen heterocycles and mixtures thereof.

Claim 6

Dependent Claim 12 words

The process of claim 4 wherein ligand L comprises an alkyl amine.

Claim 7

Dependent Claim 16 words

The process of claim 5 wherein said catalyst is formed in the presence of excess sulfur.

Claim 8

Dependent Claim 14 words

The process of claim 6 wherein said catalyst contains at least two promoter metals.

Claim 9

Dependent Claim 14 words

The process of claim 1 wherein said catalyst contains at least two promoter metals.

Claim 10

Dependent Claim 148 words

A process for hydrotreating a hydrocarbon feed which comprises contacting said feed at a temperature of at least about 150° C. and in the presence of hydrogen with a catalyst obtained by compositing a quantity of inorganic refractory oxide support material with one or more precursor salts and heating said composite at elevated temperature of at least about 150° C., in the presence of sulfur and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand L, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to hydrotreat at least a portion of said feed.

Claim 11

Dependent Claim 148 words

A process for hydrotreating a hydrocarbon feed which comprises contacting said feed at a temperature of at least about 150° C. and in the presence of hydrogen with a catalyst obtained by compositing a quantity of inorganic refractory oxide support material with one or more precursor salts and heating said composite at elevated temperature of at least about 150° C., in the presence of sulfur and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand L, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to hydrotreat at least a portion of said feed.

Claim 12

Dependent Claim 74 words

The process of claim 9 wherein said tetrathiometallate salt is of the general formula (ML) (Mo y W 1-y S 4 ) wherein M comprises one or more promoter metals selected from the group consisting of divalent Ni, Zn, Cu, Co and mixture thereof, wherein y is any value ranging from 0 to 1 and wherein L is one or more neutral, nitrogen-containing ligands, at least one of which is a chelating polydentate ligand.

Claim 13

Dependent Claim 22 words

The process of claim 9 wherein said precursor salt is formed in the presence of a slurry of particles of support material.

Claim 14

Dependent Claim 30 words

The process of any of claims 9, 10 or 11 wherein said ligand L is selected from the group consisting of alkyl amines, aryl amines, nitrogen heterocycles and mixtures thereof.

Claim 15

Dependent Claim 12 words

The process of claim 12 wherein ligand L comprises an alkyl amine.

Claim 16

Dependent Claim 16 words

The process of claim 13 wherein said catalyst is formed in the presence of excess sulfur.

Claim 17

Dependent Claim 14 words

The process of claim 13 wherein said catalyst contains at least two promoter metals.

Claim 18

Dependent Claim 13 words

The process of claim 9 wherein said feed is a lube oil fraction.

Claim 19

Dependent Claim 13 words

The process of claim 12 wherein said feed is a lube oil fraction.

Claim 20

Dependent Claim 13 words

The process of claim 15 wherein said feed is a lube oil fraction.

Claim 21

Dependent Claim 14 words

The process of claim 16 wherein said catalyst contains at least two promoter metals.

Claim 22

Dependent Claim 163 words

A process for removing nitrogen from a nitrogen-containing hydrocarbon feed which comprises contacting said feed at a temperature of at least about 150° C. and in the presence of hydrogen with a catalyst obtained by compositing a quantity of inorganic refractory oxide support material with one or more precursor salts and heating said composite at elevated temperature of at least about 150° C., in the presence of excess sulfur in the form of one or more sulfur-bearing compounds and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand L, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to remove at least a portion of nitrogen from said feed.

Claim 23

Dependent Claim 163 words

A process for removing nitrogen from a nitrogen-containing hydrocarbon feed which comprises contacting said feed at a temperature of at least about 150° C. and in the presence of hydrogen with a catalyst obtained by compositing a quantity of inorganic refractory oxide support material with one or more precursor salts and heating said composite at elevated temperature of at least about 150° C., in the presence of excess sulfur in the form of one or more sulfur-bearing compounds and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand L, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to remove at least a portion of nitrogen from said feed.

Claim 24

Dependent Claim 74 words

The process of claim 20 wherein said tetrathiometallate salt is of the general formula (ML) (Mo y W 1-y S 4 ) wherein M comprises one or more promoter metals selected from the group consisting of divalent Ni, Zn, Cu, Co and mixture thereof, wherein y is any value ranging from 0 to 1 and wherein L is one or more neutral, nitrogen-containing ligands, at least one of which is a chelating polydentate ligand.

Claim 25

Dependent Claim 22 words

The process of claim 21 wherein said precursor salt is formed in the presence of a slurry or particles of support material.

Claim 26

Dependent Claim 29 words

The process of either of claims 20, 21 or 22 wherein ligand L is selected from the group consisting of alkyl amines, aryl amines, nitrogen heterocycles and mixtures thereof.

Claim 27

Dependent Claim 19 words

The process of claim 23 wherein M is selected from the group consisting of Co, Ni and mixtures thereof.

Claim 28

Dependent Claim 24 words

The process of claim 24 wherein said ligand L has a denticity of six and is either three bidentate or two tridentate chelating ligands.

Claim 29

Dependent Claim 12 words

The process of claim 4 wherein said ligand comprises an alkyl amine.

Claim 30

Dependent Claim 13 words

The process of claim 26 wherein said feed is a lube oil fraction.

Claim 31

Dependent Claim 13 words

The process of claim 20 wherein said feed is a lube oil fraction.

Claim 32

Dependent Claim 13 words

The process of claim 23 wherein said feed is a lube oil fraction.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1990-10-05	1991-04-06	1991-10-06	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1994-10-05	1995-04-06	1995-10-06	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1998-10-05	1999-04-06	1999-10-06	$7700.00	Window Closed / Lapsed

Supported transition metal sulfide promoted molybdenum or tungsten sulfide catalysts and their uses for hydroprocessing

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