US2816096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of oxygen from streams containing hydrocarbon diolefins and the like
Assignee: Phillips Petroleum Co
•
Filing: 1953-01-16
•
Granted: 1957-12-10
•
Expires: 1973-01-16
Abstract
No abstract record available.
Inventors
- 👤 Sig C Fauske
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:51
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/14875
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
THE REMOVAL OF OXYGEN FROM AN OLEFINIC HYDROCARBON STREAM CONTAINING THE SAME WHICH COMPRISES TREATING SAID STEAM WITH A SODIUM HYDROXIDE SOLUTION CONSISTING ESSENTIALLY OF 5% TO 25% BY WEIGHT SODIUM HYDROXIDE AND 7.5% TO 25% BY WEIGHT OF THE SODIUM SALT OF TERTIARY BUTYLCATECHOL.
Claim 2
Dependent Claim
45 words
THE REMOVAL OF OXYGEN FROM AN OLEFINIC HYDROCARBON STREAM CONTAINING THE SAME WHICH COMPRISES TREATING SAID STEAM WITH A SODIUM HYDROXIDE SOLUTION CONSISTING ESSENTIALLY OF 5% TO 25% BY WEIGHT SODIUM HYDROXIDE AND 7.5% TO 25% BY WEIGHT OF THE SODIUM SALT OF TERTIARY BUTYLCATECHOL.
References Cited (Backward Citations)
US2402113A
Cited
US2631175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |