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US2771402A
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Hypochlorite process for the treatment of petroleum distillates
Assignee: BP PLC
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Filing: 1953-05-13
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Granted: 1956-11-20
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Expires: 1973-05-13
Abstract
No abstract record available.
Inventors
- 👤 Birch Stanley Francis
- 👤 Cullum Thomas Vernon
- 👤 Dean Ronald Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:13
CPC Classifications
C; C10; C10G; C10G19/00; C10G27/00; C10G27/02; C10G29/00; C10G29/06; C10G29/12; C10G7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS FOR THE TREATMENT OF A PETROLEUM DISTILLATE BOILING UP TO THE END OF THE GAS OIL RANGE, COMPRISING TREATING THE DISTILLATE WITH A HYPOCHLORITE SOLUTION, CONTACTING THE TREATED DISTILLATE COUNTERCURRENTLY WITH A MIXTURE CONSISTING ESSENTIALLY OF METHANOL AND A CAUSTIC ALKALI SOLUTION, SAID CAUSTIC ALKALI SOLUTION HAVING A STRENGTH OF BETWEEN 0.5% AND 50% W./W., AND THEN TREATING THE DISTILLATE WITH CAUSTIC ALKALI SOLUTION ALONE.
Claim 2
Dependent Claim
67 words
A PROCESS FOR THE TREATMENT OF A PETROLEUM DISTILLATE BOILING UP TO THE END OF THE GAS OIL RANGE, COMPRISING TREATING THE DISTILLATE WITH A HYPOCHLORITE SOLUTION, CONTACTING THE TREATED DISTILLATE COUNTERCURRENTLY WITH A MIXTURE CONSISTING ESSENTIALLY OF METHANOL AND A CAUSTIC ALKALI SOLUTION, SAID CAUSTIC ALKALI SOLUTION HAVING A STRENGTH OF BETWEEN 0.5% AND 50% W./W., AND THEN TREATING THE DISTILLATE WITH CAUSTIC ALKALI SOLUTION ALONE.
References Cited (Backward Citations)
US1796621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |