Patent US2864498A successfully refreshed from Google Patents.
US2864498A
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Stability of fuel oil emulsions controlled by resin asphaltene ratio
Assignee: Shell Development Co
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Filing: 1955-03-14
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Granted: 1958-12-16
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Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 Matthews John Bryant
- 👤 Clayfield Eric John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:07
CPC Classifications
C; C10; C10G; C10G25/00; C10L; C10L1/00; C10L1/04; C10L1/10; C10L1/14; C10L1/16; C10L1/1616
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A METHOD OF PREPARING AN EMULSION-RESISTANT LIQUID PETROLEUM FUEL OIL CONTAINING A SUBSTNTIAL AMOUNT NOT EXCEEDINF ABOUT 26% OF PRETROLEUM RESINS AND ASPHALT TENES, WHICH COMPRISES ALTERING THE WEIGHT RATIO OF OCTANE-SOLUBLE MAGNESIA-ADSORBABLE PETROLEUM RESINS AND OCTANE-PRECIPITATABLE, BENZENE-SOLUBLE ASPHALTENES IN AN OIL IN WHICH SAID RATIO IS BETWEEN 1:1 AND 4:1 SO THT THE WEIGHT RATIO OF THE PETROLEUM RESINS TO ASPHALTENES IS OUTSIDE THE RATIO OF BETWEEN 1:1 AND 4:1, RESPECTIVELY.
Claim 2
Independent Claim
72 words
A METHOD OF PREPARING AN EMULSION-RESISTANT LIQUID PETROLEUM FUEL OIL CONTAINING A SUBSTNTIAL AMOUNT NOT EXCEEDINF ABOUT 26% OF PRETROLEUM RESINS AND ASPHALT TENES, WHICH COMPRISES ALTERING THE WEIGHT RATIO OF OCTANE-SOLUBLE MAGNESIA-ADSORBABLE PETROLEUM RESINS AND OCTANE-PRECIPITATABLE, BENZENE-SOLUBLE ASPHALTENES IN AN OIL IN WHICH SAID RATIO IS BETWEEN 1:1 AND 4:1 SO THT THE WEIGHT RATIO OF THE PETROLEUM RESINS TO ASPHALTENES IS OUTSIDE THE RATIO OF BETWEEN 1:1 AND 4:1, RESPECTIVELY.
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) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |