US2866749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sweetening of mercaptan-bearing oil with alkaline water, air, and bentonite clay
Assignee: ExxonMobil Oil Corp
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Filing: 1955-02-14
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Granted: 1958-12-30
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Expires: 1975-02-14
Abstract
No abstract record available.
Inventors
- 👤 Shapiro Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:41
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE METHOD OF SWEETENING A MERCAPTAN-BEARING HYDROCARBON LIQUID WHICH COMPRISES: FORMING AN EMULSION OF ABOUT THREE TO FOUR VOLUMES OF SAID HYDROCARBON LIQUID IN ONE VOLUME OF ALKALINE WATER CONTAINING A SMALL PROPORTION OF AN INORGANIC EMULSIFYING AGENT SELECTED FROM THE GROUP CONSISTING OF BENTONITE, FERRIC HYDROXIDE, AND MANGANIC HYDROXIDE, DISPERSING AN OXIDIZING GAS IN SAID EMULSION, MAINTAINING SAID EMULSION WITH DISPERSED OXIDIZING GAS FOR A PERIOD OF AT LEAST ABOUT ONE HOUR AND SEPARATING SAID HYDROCARBON LIQUID FROM SAID WATER.
Claim 2
Independent Claim
81 words
THE METHOD OF SWEETENING A MERCAPTAN-BEARING HYDROCARBON LIQUID WHICH COMPRISES: FORMING AN EMULSION OF ABOUT THREE TO FOUR VOLUMES OF SAID HYDROCARBON LIQUID IN ONE VOLUME OF ALKALINE WATER CONTAINING A SMALL PROPORTION OF AN INORGANIC EMULSIFYING AGENT SELECTED FROM THE GROUP CONSISTING OF BENTONITE, FERRIC HYDROXIDE, AND MANGANIC HYDROXIDE, DISPERSING AN OXIDIZING GAS IN SAID EMULSION, MAINTAINING SAID EMULSION WITH DISPERSED OXIDIZING GAS FOR A PERIOD OF AT LEAST ABOUT ONE HOUR AND SEPARATING SAID HYDROCARBON LIQUID FROM SAID WATER.
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) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |