US3113097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactivation of catalysts
Assignee: BP PLC
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Filing: 1960-10-10
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Granted: 1963-12-03
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Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 White Peter Thomas
- 👤 Olive Martin Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:42
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/90; B01J23/94; C; C10; C10G; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A PROCESS FOR THE HYDROGENATION OF STREAM CRACKER GASLINE CONTAINING GUM-FORMING UNSATURATED HYDROCARBONS TO REDUCE THE GUM-FORMING TENDENCY OF SAID UNSATURATED HYDROCARBONS, THE HYDROGENATION BEING CARRIED OUT IN THE PRESENCE OF AN ELEMENTAL NICKEL CATALYST ON A SUPPORT AT A TEMPERATURE OF BETWEEN 0 AND 200*C. AND A PRESSURE OF BETWEEN ABOUT 0 AND 1000 P.S.I.G., THE IMPROVEMENT OF REACTIVATING THE NICKEL CATALYST WHEN EVIDENCE OF CATALYST DEACTIVATION IS APPARENT, WHICH CONSISTS OF PASSING A HYDROGEN-CONTAINING GAS OVER THE CATALYST AT A TEMPERATURE OF FROM 150*C. TO 600*C.
Claim 2
Dependent Claim
89 words
IN A PROCESS FOR THE HYDROGENATION OF STREAM CRACKER GASLINE CONTAINING GUM-FORMING UNSATURATED HYDROCARBONS TO REDUCE THE GUM-FORMING TENDENCY OF SAID UNSATURATED HYDROCARBONS, THE HYDROGENATION BEING CARRIED OUT IN THE PRESENCE OF AN ELEMENTAL NICKEL CATALYST ON A SUPPORT AT A TEMPERATURE OF BETWEEN 0 AND 200*C. AND A PRESSURE OF BETWEEN ABOUT 0 AND 1000 P.S.I.G., THE IMPROVEMENT OF REACTIVATING THE NICKEL CATALYST WHEN EVIDENCE OF CATALYST DEACTIVATION IS APPARENT, WHICH CONSISTS OF PASSING A HYDROGEN-CONTAINING GAS OVER THE CATALYST AT A TEMPERATURE OF FROM 150*C. TO 600*C.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |