Patent US966023A successfully refreshed from Google Patents.
Patent US2886423A successfully refreshed from Google Patents.
US2886423A
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Hydrocarbon fuels containing betaine antifreeze compositions
Assignee: Wyeth Holdings LLC
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Filing: 1956-07-09
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Granted: 1959-05-12
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Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 Emil A Vitalis
- 👤 Frederick L Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:20
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/185; C10L1/1852; C10L1/22; C10L1/222; C10L1/224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A LIQUID FUEL OF IMPROVED LOW TEMPERATURE CHARACTERISTICS CONSISTING ESSENTIALLY OF A PETROLEUM FRACTION BOILING BETWEEN 100*F. AND 625*F. CONTAINING CLOUD POINT-REDUCING QUANTITIES WITHIN THE RANGE OF 0.1% TO ABOUT 5% BY WEIGHT OF A HYDROCARBON OIL-SOLUBLE MIXTURE OF (1) A 12-18 CARBON ATOM FATTY ACID AMINO-LOWER ALKYL GLYCIEN BETAINE AND (2) A MEMBER OF THE GROUP CONSISTING OF MONOHYDRIC ALKANOLS OF FROM 2 TO 3 CARBON ATOMS AND 2-ALKOXYETHANOLS CONTAINING AN ALKOXY RADICAL OF FROM 1 TO 4 CARBON ATOMS, THE WEIGHT RATIO OF (1) TO (2) BEING WITHIN THE RANGE OF FROM 1:1 TO 4:1.
Claim 2
Dependent Claim
97 words
A LIQUID FUEL OF IMPROVED LOW TEMPERATURE CHARACTERISTICS CONSISTING ESSENTIALLY OF A PETROLEUM FRACTION BOILING BETWEEN 100*F. AND 625*F. CONTAINING CLOUD POINT-REDUCING QUANTITIES WITHIN THE RANGE OF 0.1% TO ABOUT 5% BY WEIGHT OF A HYDROCARBON OIL-SOLUBLE MIXTURE OF (1) A 12-18 CARBON ATOM FATTY ACID AMINO-LOWER ALKYL GLYCIEN BETAINE AND (2) A MEMBER OF THE GROUP CONSISTING OF MONOHYDRIC ALKANOLS OF FROM 2 TO 3 CARBON ATOMS AND 2-ALKOXYETHANOLS CONTAINING AN ALKOXY RADICAL OF FROM 1 TO 4 CARBON ATOMS, THE WEIGHT RATIO OF (1) TO (2) BEING WITHIN THE RANGE OF FROM 1:1 TO 4:1.
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |