US2616832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of petroleum distillates with an alkali and an aldehyde
Assignee: Standard Oil Development Co
•
Filing: 1949-10-14
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Granted: 1952-11-04
•
Expires: 1969-10-14
Abstract
No abstract record available.
Inventors
- 👤 John G Browder
- 👤 Alvin R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:33
CPC Classifications
C; C10; C10G; C10G19/00; C10G19/02; C10G19/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A MEHOD FOR TREATING A PETROLEUM DISTILLATE WHICH COMPRISES CONTACTING A SOUR PETROLEUM DISTILLATE CONTAINING MERCAPTANS AND BOILING BELOW 750* F. WITH A CATALYTIC AMOUNT IN THE RANGE BETWEEN 0.1% AND 5% BY VOLUME BASED O THE DISTILLATE OF A SOLUTION OF AN ALKALI METAL HYDROXIDE IN THE PRESENCE OF LESS THAN 1.0% BY VOLUME BASED ON THE DISTILLATE OF AN ALDEHYDE WHILE ADDING A MILD OXIDIZING AGENT IN A SUFFICIENT AMOUNT TO OBTAIN A SWEETENED DISTILLATE.
Claim 2
Dependent Claim
77 words
A MEHOD FOR TREATING A PETROLEUM DISTILLATE WHICH COMPRISES CONTACTING A SOUR PETROLEUM DISTILLATE CONTAINING MERCAPTANS AND BOILING BELOW 750* F. WITH A CATALYTIC AMOUNT IN THE RANGE BETWEEN 0.1% AND 5% BY VOLUME BASED O THE DISTILLATE OF A SOLUTION OF AN ALKALI METAL HYDROXIDE IN THE PRESENCE OF LESS THAN 1.0% BY VOLUME BASED ON THE DISTILLATE OF AN ALDEHYDE WHILE ADDING A MILD OXIDIZING AGENT IN A SUFFICIENT AMOUNT TO OBTAIN A SWEETENED DISTILLATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |