US4433190A
Expired / Lapsed
US
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Process to convert linear alkanes
Assignee: BP Corp North America Inc
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Filing: 1982-09-24
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Granted: 1984-02-21
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Expires: 2002-09-24
Abstract
Abstract A process to convert an alkane, such as n-butane, to dehydrogenated and isomerized products comprises contacting such alkane under conversion conditions with an AMS-1B crystalline borosilicate catalyst composition containing an ion or molecule of a catalytically active element, such as a noble metal.
Inventors
- 👤 David L. Sikkenga
- 👤 Thomas D. Nevitt
- 👤 Norman F. Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:25
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/373
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
78 words
A process to convert a substantially linear alkane to dehydrogenated and isomerized products comprising contacting such alkane under conversion conditions comprising a temperature of about 250° to about 650° C., a pressure of about 0.1 to about 50 atmospheres, a hydrogen/hydrocarbon molar ratio of 0 to about 10 and a weight hourly space velocity of about 0.1 to about 40 hr -1 with an AMS-1B crystalline borosilicate-based catalyst composition containing an ion or molecule of a noble metal.
Claim 2
Dependent Claim
78 words
A process to convert a substantially linear alkane to dehydrogenated and isomerized products comprising contacting such alkane under conversion conditions comprising a temperature of about 250° to about 650° C., a pressure of about 0.1 to about 50 atmospheres, a hydrogen/hydrocarbon molar ratio of 0 to about 10 and a weight hourly space velocity of about 0.1 to about 40 hr -1 with an AMS-1B crystalline borosilicate-based catalyst composition containing an ion or molecule of a noble metal.
Claim 3
Dependent Claim
35 words
The process of claim 1 wherein the substantially linear alkane comprises a normal alkane having two to twenty carbon atoms or an organic compound containing a linear alkane segment having three to twenty carbon atoms.
Claim 4
Dependent Claim
32 words
The process of claim 2 wherein the alkane is a normal alkane having two to twenty carbon atoms or an isoalkane containing a linear alkane segment having three to twenty carbon atoms.
Claim 5
Dependent Claim
19 words
The process of claim 1 wherein the alkane is a normal alkane having two to about twenty carbon atoms.
Claim 6
Dependent Claim
16 words
The process of claim 4 wherein the linear alkane is ethane, n-propane, n-butane, n-pentane or n-hexane.
Claim 7
Dependent Claim
11 words
The process of claim 5 wherein the linear alkane is n-butane.
Claim 8
Dependent Claim
23 words
The process of claim 1 wherein the substantially linear alkane comprises from about 10 to 100 wt.% of a feedstream contacting the catalyst.
Claim 9
Dependent Claim
13 words
The process of claim 1 wherein the noble metal is platinum or palladium.
Claim 10
Dependent Claim
11 words
The process of claim 8 wherein the noble metal is platinum.
Claim 11
Dependent Claim
41 words
The process of claim 8 wherein an ion or molecule of a Group IB, IIB IIIB, IVB, VB, VIB, VIIB or VIII metal or a rare earth element is contained in the AMS-1B borosilicate-based composition as an additional catalytically active material.
Claim 12
Dependent Claim
20 words
The process of claim 10 wherein the additional catalytically active material is copper, lanthanum, molybdenum, cobalt, tungsten, nickel or zinc.
Claim 13
Dependent Claim
20 words
The process of claims 8, 9, 10 or 11 wherein the alkane is ethane, n-propane or n-butane, n-pentane or n-hexane.
Claim 14
Dependent Claim
14 words
The process of claims 8, 9, 10 or 11 wherein the alkane is n-butane.
Claim 15
Dependent Claim
21 words
The process of claim 1 wherein the AMS-1B crystalline borosilicate composition is incorporated within an alumina, silica, magnesia or silica-alumina matrix.
Claim 16
Dependent Claim
22 words
The process of claim 14 wherein the AMS-1B crystalline borosilicate content in the matrix ranges from about 10 to about 95 wt.%.
Claim 17
Dependent Claim
22 words
The process of claim 15 wherein the AMS-1B crystalline borosilicate content in the matrix ranges from about 20 to about 80 wt.%.
Claim 18
Dependent Claim
52 words
The process of claim 1 wherein the conversion conditions are a temperature of about 400° to about 600° C., a pressure of about 0.2 to about 20 atmospheres, a hydrogen/hydrocarbon molar ratio of 0 to about 10 and a weight hourly space velocity of about 0.3 to about 25 hr -1 .
Claim 19
Dependent Claim
11 words
The process of claim 1 wherein the alkane is an isoalkane.
Claim 20
Dependent Claim
13 words
The process of claim 18 wherein the isoalkane is isobutane, 2-methylbutane, 2-methylpentane, 2-methylhexane.
Claim 21
Dependent Claim
78 words
A process to convert n-butane to a mixture comprising dehydrogenated and isomerized products comprising contacting n-butane under conversion conditions comprising a temperature of about 400° to about 600° C., a pressure of about 0.2 to about 20 atmospheres, a hydrogen/butane molar ratio of 0 to about 10 and a weight hourly space velocity of about 0.3 to about 25 hr -1 with a catalyst composition comprising AMS-1B crystalline borosilicate containing an ion or molecule of a noble metal.
Claim 22
Dependent Claim
78 words
A process to convert n-butane to a mixture comprising dehydrogenated and isomerized products comprising contacting n-butane under conversion conditions comprising a temperature of about 400° to about 600° C., a pressure of about 0.2 to about 20 atmospheres, a hydrogen/butane molar ratio of 0 to about 10 and a weight hourly space velocity of about 0.3 to about 25 hr -1 with a catalyst composition comprising AMS-1B crystalline borosilicate containing an ion or molecule of a noble metal.
Claim 23
Dependent Claim
52 words
The process of claim 20 wherein n-butane is converted at about 500° to about 600° C. at a pressure of about 0.3 to about 2 atmospheres with a hydrogen/butane molar ratio of about 0.8 to about 6 and a weight hourly space velocity of about 0.5 to about 6 hr -1 .
Claim 24
Dependent Claim
15 words
The process of claims 20, or 21 wherein the noble metal is platinum or palladium.
Claim 25
Dependent Claim
36 words
The process of claims 20, or 21 wherein an ion or molecule of a Group IB, IIB, IIIB, IVB, VB, VIB, VIIB or VIII metal or a rare earth element is contained in the catalyst composition.
Claim 26
Dependent Claim
27 words
The process of claims 20, or 21 wherein an ion or molecule of copper, lanthanum, molybdenum, cobalt, tungsten, nickel or zinc is contained in the catalyst composition.
Claim 27
Dependent Claim
14 words
The process of claim 20 wherein unconverted n-butane is recycled over the catalyst composition.
Claim 28
Dependent Claim
17 words
The process of claim 20 wherein n-butane is converted to a mixture comprising isobutylene, isobutane and butenes.
Claim 29
Dependent Claim
21 words
The process of claims 20, or 21 wherein n-butane comprises about 10 to 100 wt.% of a feedstream contacting the catalyst.
Claim 30
Dependent Claim
21 words
The process of claims 20, or 21 wherein n-butane comprises about 50 to 100 wt.% of a feedstream contacting the catalyst.
References Cited (Backward Citations)
US4268420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-02-20 | 1987-08-22 | 1988-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-20 | 1991-08-22 | 1992-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-20 | 1995-08-22 | 1996-02-21 | $7700.00 | Window Closed / Lapsed |