US3467190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjusting salinity to achieve low interfacial tension between aqueous and hydrocarbon phases
Assignee: Mobil Oil AS
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Filing: 1967-10-09
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Granted: 1969-09-16
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Expires: 1987-10-09
Abstract
No abstract record available.
Inventors
- 👤 Peggy M Dunlap
- 👤 Carl F Brandner
- 👤 Harold L Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:42
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2882973A
Cited
US3371710A
Cited
US3302713A
Cited
US3348611A
Cited
US3346047A
Cited
US3369602A
Cited
US3373808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |