US2778779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of arsenic in hydrocarbon oils by use of a readily reducible metal oxide and water
Assignee: Universal Oil Products Co
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Filing: 1952-06-14
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Granted: 1957-01-22
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Expires: 1972-06-14
Abstract
No abstract record available.
Inventors
- 👤 George R Donaldson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:09
CPC Classifications
C; C10; C10G; C10G61/00; C10G61/02; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
THE PRECESS OF PRODUCTING GASOLINE FROM AN ARSENIC-CONTAINING HYDROCARBON CHARGE WHICH COMPRISES TREATING THE CHARGE WITH A READILY REDUCIBLE METAL OXIDE AND WATER, SEPARATING THEREFROM A GASOLINE FRACTION HAVING AN ARSENIC CONTENT OF LESS THAN ABOUT 0.015 PART PER MILLION AND LESS THAN THAT OF SAID CHARGE, AND REFORMING SAID GASOLINE FRACTION IN THE PRESENCE OF A CATALYST COMPRISING ALUMINA AND PLATINUM.
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) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |