US3192152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the removal of mercaptans from hydrocarbon oils
Assignee: Shell USA Inc
•
Filing: 1962-07-18
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Granted: 1965-06-29
•
Expires: 1982-07-18
Abstract
No abstract record available.
Inventors
- 👤 Maze Herve
- 👤 Mauborgne Jacques
- 👤 Reinbold Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:37
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/04; C10G27/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A PROCESS FOR SWEETNING MERCAPTAN-CONTAINING HYDROCARBON OILS WHICH COMPRISES CONTACTING THE OIL IN THE PRESENCE OF OXYGEN WITH AN ACTIVE-CARBON-SUPPORTED CUPRIC COMPLEX OF A MEMBER OF THE GROUP CONSISTING OF ALKYL AMINES, ALKANOL AMINES, ALKANOIC ACIDS, AND AMINO ACIDS, AND RECOVERING A HYDROCARBON OIL SUBSTANTIALLY FREE FROM MERCAPTANS AND COPPER.
References Cited (Backward Citations)
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US2539808A
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US2744854A
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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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |