US2550668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypochlorite sweetening process
Assignee: Standard Oil Development Co
•
Filing: 1949-04-08
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Granted: 1951-05-01
•
Expires: 1969-04-08
Abstract
No abstract record available.
Inventors
- 👤 Richard C Brandon
- 👤 Minor C K Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:22
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/02; C10G29/00; C10G29/06; C10G29/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
PROCESS FOR THE REMOVAL OF MERCAPTAN COMPOUNDS FROM A PETROLEUM OIL CONTAINING MERCAPTAN COMPOUNDS WHICH COMPRISES CONTACTING SAID PETROLEUM OIL WITH AN ALKALI HYPOCHLORITE SOLUTION WHICH IS CHARACTERIZED BY CONTAINING ABOUT 2 TO 10 GRAMS PER LITER OF THE SAID ALKALI HYPOCHLORITE, SAID SOLUTION FURTHER CONTAINING ABOUT 50 TO 250 GRAMS PER LITER OF ALKALI HYDROXIDE, AND
Claim 2
Dependent Claim
57 words
PROCESS FOR THE REMOVAL OF MERCAPTAN COMPOUNDS FROM A PETROLEUM OIL CONTAINING MERCAPTAN COMPOUNDS WHICH COMPRISES CONTACTING SAID PETROLEUM OIL WITH AN ALKALI HYPOCHLORITE SOLUTION WHICH IS CHARACTERIZED BY CONTAINING ABOUT 2 TO 10 GRAMS PER LITER OF THE SAID ALKALI HYPOCHLORITE, SAID SOLUTION FURTHER CONTAINING ABOUT 50 TO 250 GRAMS PER LITER OF ALKALI HYDROXIDE, AND
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) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |