Patent US4459270A successfully refreshed from Google Patents.
US4459270A
Expired / Lapsed
US
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Process for the removal of hydrogen from gases
Assignee: UOP Ltd
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Filing: 1983-03-11
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Granted: 1984-07-10
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Expires: 2003-03-11
Abstract
Abstract A process for the removal of hydrogen from a gas which also contains oxygen, which process comprises contacting the said gas at ambient temperature with a catalyst comprising a carrier of tin oxide and alumina impregnated with from 0.25 to 2.5% by weight of platinum and from 0.25 to 2.5% by weight of palladium.
Inventors
- 👤 Colin J. Leppard
- 👤 Andrew Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:03
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/89; B01J23/8933; B01J23/8966; B01J23/38; B01J23/54; B01J23/56; B01J23/62; B01J23/622; B01J23/626; C; C01; C01B; C01B5/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
56 words
A process for the removal of hydrogen from a gas which also contains oxygen, which process consists essentially of contacting the said gas at ambient temperature with a catalyst comprising a carrier of tim oxide and alumina impregnated with from 0.25 to 2.5% by weight of platinum and from 0.25 to 2.5% by weight of palladium.
Claim 2
Dependent Claim
56 words
A process for the removal of hydrogen from a gas which also contains oxygen, which process consists essentially of contacting the said gas at ambient temperature with a catalyst comprising a carrier of tim oxide and alumina impregnated with from 0.25 to 2.5% by weight of platinum and from 0.25 to 2.5% by weight of palladium.
Claim 3
Dependent Claim
14 words
Process according to claim 1 wherein the gas to be treated is wet air.
Claim 4
Dependent Claim
21 words
Process according to claim 2 wherein the wet air has a relative humidity in the range of from 20 to 100%.
Claim 5
Dependent Claim
21 words
Process according to claim 1 wherein the gas is at a temperature in the range of from 10° to 30° C.
Claim 6
Dependent Claim
15 words
Process according to claim 4 wherein the gas is at a temperature of 20° C.
Claim 7
Dependent Claim
23 words
Process according to claim 1 wherein the catalyst carrier comprises tin oxide blended with from 10 to 50% by weight of alumina trihydrate.
Claim 8
Dependent Claim
20 words
Process according to claim 6 wherein the catalyst carrier comprises tin oxide blended with 20% by weight of alumina trihydrate.
Claim 9
Dependent Claim
23 words
Process according to claim 1 wherein the catalyst carrier is impregnated with 0.5% by weight of platinum and 2% by weight of palladium.
Claim 10
Dependent Claim
27 words
Process according to claim 1 wherein the catalyst carrier is additionally impregnated with from 0.25 to 2.5% by weight of one or more other group VIII metals.
References Cited (Backward Citations)
US2582885A
Cited
US2826480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-10 | 1988-01-09 | 1988-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-10 | 1992-01-09 | 1992-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-10 | 1996-01-09 | 1996-07-10 | $7700.00 | Window Closed / Lapsed |