US3835060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demulsification compositions containing alkyl ether sulfates
Assignee: Texaco Inc
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Filing: 1972-08-21
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Granted: 1974-09-10
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Expires: 1992-08-21
Abstract
Abstract OIL AND WATER EMULSIONS MAY BE BROKEN FASTER AND MORE EFFECTIVELY BY USING A COMBINATION OF CERTAIN ALKYL ETHER SULFATES AND CONVENTIONAL DEMULSIFIERS THAN WITH EITHER OF THE ABOVE TYPES OF COMPOUNDS ALONE.
Inventors
- 👤 J Maddox
- 👤 M Zimmerman
- 👤 R Tuggle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:54
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |