US2853432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regeneration of used alkaline reagents by oxidizing the same in the presence of a phthalocyanine catalyst
Assignee: Universal Oil Products Co
•
Filing: 1954-12-28
•
Granted: 1958-09-23
•
Expires: 1974-12-28
Abstract
No abstract record available.
Inventors
- 👤 William K T Gleim
- 👤 Urhan Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:44
CPC Classifications
C; C10; C10G; C10G19/00; C10G19/08; C02; C02F; C02F1/00; C02F1/72; C02F1/725
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
THE PROCESS WHICH COMPRISES PURIFYING SOUR GASOLINE BY TREATING WITH AN AQUEOUS ALKALINE SOLUTION, SEPARATING THE USED ALKALINE SOLUTION FROM PURIFIED GASOLINE, REGENERATING THE USED ALKALINE SOLUTION BY OXIDIZING THE SAME IN GHE PRESENCE OF A PHTHALOCYANINE CATALYST, AND SUBSEQUENTLY REUISING THE REGENERATED ALKALINE SOLUTION FOR TREATING AN ADDITIONAL QUANTITY OF SOUR GASOLINE.
References Cited (Backward Citations)
US2659691A
Cited
US2651595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |