Patent US2858201A successfully refreshed from Google Patents.
US2858201A
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Anti-ice clogging additive for fuel
Assignee: Texaco Inc
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Filing: 1955-01-28
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Granted: 1958-10-28
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Expires: 1975-01-28
Abstract
No abstract record available.
Inventors
- 👤 Stanley R Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:22
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/192; C10L1/198; C10L1/1985
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A LIQUID HYDROCARBON FUEL BOILING WITHIN THE RANGE OF FROM 100 TO 750*F. HAVING INCORPORATED THEREIN AN AMOUNT IN EXCESS OF 0.01% BY WEIGHT BUT NOT IN EXCESS OF THE LIMIT OF SOLUBILITY IN THE FUEL OF A POLYOXYALKYLENE SORBITOL HEXALAURATE HAVING A MOLECULAR WEIGHT OF FROM 800 TO 2000 SUFFICIENT TO PREVENT FILTER CLOGGING BY ICE FORMATION IN THE FUEL WHEN SATURATED WITH WATER AT SUBFREEZING TEMPERATURES.
Claim 2
Dependent Claim
68 words
A LIQUID HYDROCARBON FUEL BOILING WITHIN THE RANGE OF FROM 100 TO 750*F. HAVING INCORPORATED THEREIN AN AMOUNT IN EXCESS OF 0.01% BY WEIGHT BUT NOT IN EXCESS OF THE LIMIT OF SOLUBILITY IN THE FUEL OF A POLYOXYALKYLENE SORBITOL HEXALAURATE HAVING A MOLECULAR WEIGHT OF FROM 800 TO 2000 SUFFICIENT TO PREVENT FILTER CLOGGING BY ICE FORMATION IN THE FUEL WHEN SATURATED WITH WATER AT SUBFREEZING TEMPERATURES.
References Cited (Backward Citations)
US2548347A
Cited
GB701459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |