Patent US3756794A successfully refreshed from Google Patents.
US3756794A
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US
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Emulsified hydrocarbon fuels
Assignee: Shell USA Inc
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Filing: 1969-07-16
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Granted: 1973-09-04
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Expires: 1989-07-16
Abstract
Abstract EMULSIFIED FUEL COMPOSITIONS COMPRISING A HYDROCARBON FUEL AS THE DISPERSE PHASE, AN EMULSIFIER, WATER AND UREA OF FORMAMIDE AS AN EMULSION STABILIZER HAVE IMPROVED FLOW AND DEMULSIFICATION CHARACTERISTICS.
Inventors
- 👤 P Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:24
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/32; C10L1/328
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) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |