US3098816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of metals from petroleum fractions
Assignee: BP PLC
•
Filing: 1961-10-06
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Granted: 1963-07-23
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Expires: 1981-10-06
Abstract
No abstract record available.
Inventors
- 👤 Dean Ronald Alfred
- 👤 Girdler Ronald Basil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:19
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/02; C10G29/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR REDUCING THE METAL CONTENT OF PETROLEUM FRACTIONS BOILING ABOVE 2550* C., CONSISTING OF DIRECTLY CONTACTING A PETROLEUM FEEDSTOCK HAVING AT LEAST A PROPORTION OF METAL-CONTAINING MATERIAL BOILING ABOVE 250* C. WITH AN ACTIVE RANEY METAL SELECTED FROM THE CLASS CONSISTING OF ACTIVE RANEY NICKEL, ACTIVE RANEY IRON AND ACTIVE RANEY COBALT, AND RECOVERING A PRODUCT OF REDUCED METAL CONTENT.
Claim 2
Dependent Claim
62 words
A PROCESS FOR REDUCING THE METAL CONTENT OF PETROLEUM FRACTIONS BOILING ABOVE 2550* C., CONSISTING OF DIRECTLY CONTACTING A PETROLEUM FEEDSTOCK HAVING AT LEAST A PROPORTION OF METAL-CONTAINING MATERIAL BOILING ABOVE 250* C. WITH AN ACTIVE RANEY METAL SELECTED FROM THE CLASS CONSISTING OF ACTIVE RANEY NICKEL, ACTIVE RANEY IRON AND ACTIVE RANEY COBALT, AND RECOVERING A PRODUCT OF REDUCED METAL CONTENT.
References Cited (Backward Citations)
US2773110A
Cited
US2963423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |