US2882241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regeneration of platinum catalyst
Assignee: MW Kellogg Co
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Filing: 1954-02-10
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Granted: 1959-04-14
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Expires: 1974-02-10
Abstract
No abstract record available.
Inventors
- 👤 Charles E Slyngstad
- 👤 William P Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:47
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/90; B01J23/96
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
75 words
A PROCESS FOR TREATING A PLANTINUM CATALYST CONTAINING ADSOEBED HYDROGEN AND CARBONACEOUS MATERIAL WHICH COMPRISES CONTACTING SAID CATALYST WITH A REGENERATION GAS CONTAINING ABOUT 0.2 TO ABOUT 2.0% BY VOLUME OF OXYGEN, AT A TEMPERATURE OF ABOUT 400* TO ABOUT 600*F., FOR A PERIOD OF ABOAUT 15 TO ABOUT 360 MINUTES, THEREBY BURNING SELECTIVELY THE HYDROGEN FROM THE CATALYST AND THEN REMOVING THE CARBONACEOUS MATERIAL BY COMBUSTION WITH AN OXYGEN CONTAINING GAS UNDER SUITABLE CONDITIONS,
Claim 2
Dependent Claim
75 words
A PROCESS FOR TREATING A PLANTINUM CATALYST CONTAINING ADSOEBED HYDROGEN AND CARBONACEOUS MATERIAL WHICH COMPRISES CONTACTING SAID CATALYST WITH A REGENERATION GAS CONTAINING ABOUT 0.2 TO ABOUT 2.0% BY VOLUME OF OXYGEN, AT A TEMPERATURE OF ABOUT 400* TO ABOUT 600*F., FOR A PERIOD OF ABOAUT 15 TO ABOUT 360 MINUTES, THEREBY BURNING SELECTIVELY THE HYDROGEN FROM THE CATALYST AND THEN REMOVING THE CARBONACEOUS MATERIAL BY COMBUSTION WITH AN OXYGEN CONTAINING GAS UNDER SUITABLE CONDITIONS,
Claim 3
Dependent Claim
83 words
A PROCESS FOR TREATING A PLANTIUM CATALYST CONTAINING ADSORBED HYDROGEN AND CARBONACEOUS MATERIAL WHICH COMPRISES CONTACTING SAID CATALYST WITH REGENERATION GAS CONTAINING ABOUT 0.2 TO ABOUT 2.0% BY VOLUME OF OXYGEN AND WHICH CONTAINS NOT MORE THAN ABOUT 400* TO VOLUME OF WATER, AT A TEMPERATURE OF ABOUT 400* TO ABOUT 600*F., FOR A PERIOD OF ABOUT 15 TO ABOUT 360 MINUTES, THEREBY BURNING SELECTIVELY THE HYDROGEN FROM THE CATALYST, AND THEN REMOVING THE CARBONACEOUS MATERIAL BY COMBUSTION WITH AN OXYGEN CONTAINING GAS.
Claim 4
Dependent Claim
83 words
A PROCESS FOR TREATING A PLANTIUM CATALYST CONTAINING ADSORBED HYDROGEN AND CARBONACEOUS MATERIAL WHICH COMPRISES CONTACTING SAID CATALYST WITH REGENERATION GAS CONTAINING ABOUT 0.2 TO ABOUT 2.0% BY VOLUME OF OXYGEN AND WHICH CONTAINS NOT MORE THAN ABOUT 400* TO VOLUME OF WATER, AT A TEMPERATURE OF ABOUT 400* TO ABOUT 600*F., FOR A PERIOD OF ABOUT 15 TO ABOUT 360 MINUTES, THEREBY BURNING SELECTIVELY THE HYDROGEN FROM THE CATALYST, AND THEN REMOVING THE CARBONACEOUS MATERIAL BY COMBUSTION WITH AN OXYGEN CONTAINING GAS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |