US2915460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refining mineral oil
Assignee: Sunoco Inc
•
Filing: 1954-12-30
•
Granted: 1959-12-01
•
Expires: 1974-12-30
Abstract
No abstract record available.
Inventors
- 👤 Ivor W Mills
- 👤 Peter B Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:36
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
PROCESS FOR REDUCING THE MERCAPTAN CONTENT OF HYDROCARBONS WHICH COMPRISES CONTACTING HYDROCARBONS CONTAINING MERCAPTANS IN LIQUID PHASE IN THE PRESENCE OF OXYGEN WITH A POROUS SOLID ADSORBENT TREATING AGENT WHICH 1400*F., SAID TREATING HAVING BEEN PREPARED BY CONTACTING A POROUS SOLID ADSORBENT MATERIAL CONTAINING IRON COMPOUNDS WITH AN ALKALI AND REMOVING EXCESS ALKALI AND ANY EXCESS MOISTURE FROM THE ADSORBENT BY PROCEDURE COMPRISING HEATING TO A TEMPERATURE ABOVE THE VOLATILIZATION TEMPERATURE OF WATER UNDER THE PREVAILING CONDITIONS BUT NOT SUBSTANTIALLY ABOVE 600*F., SAID TREATING AGENT CONTAINING COMBINED WATER REMAINING AFTER SAID HEATING.
Claim 2
Dependent Claim
92 words
PROCESS FOR REDUCING THE MERCAPTAN CONTENT OF HYDROCARBONS WHICH COMPRISES CONTACTING HYDROCARBONS CONTAINING MERCAPTANS IN LIQUID PHASE IN THE PRESENCE OF OXYGEN WITH A POROUS SOLID ADSORBENT TREATING AGENT WHICH 1400*F., SAID TREATING HAVING BEEN PREPARED BY CONTACTING A POROUS SOLID ADSORBENT MATERIAL CONTAINING IRON COMPOUNDS WITH AN ALKALI AND REMOVING EXCESS ALKALI AND ANY EXCESS MOISTURE FROM THE ADSORBENT BY PROCEDURE COMPRISING HEATING TO A TEMPERATURE ABOVE THE VOLATILIZATION TEMPERATURE OF WATER UNDER THE PREVAILING CONDITIONS BUT NOT SUBSTANTIALLY ABOVE 600*F., SAID TREATING AGENT CONTAINING COMBINED WATER REMAINING AFTER SAID HEATING.
References Cited (Backward Citations)
US962841A
Cited
US1098764A
Cited
US1687992A
Cited
US1957794A
Cited
US2042053A
Cited
US2154424A
Cited
US2250915A
Cited
US2322674A
Cited
US2326369A
Cited
US2422875A
Cited
US2377546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |