US2889213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine fuel containing anti-icing additives
Assignee: Phillips Petroleum Co
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Filing: 1954-01-06
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Granted: 1959-06-02
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Expires: 1974-01-06
Abstract
No abstract record available.
Inventors
- 👤 Olaf E Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:52
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/18; C10L1/185; C10L1/1852; C10L1/192; C10L1/198; C10L1/1985; C10L1/24; C10L1/2462; C10L1/2475; C10L1/2487
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A FUEL COMPOSITION COMPRISING AS A MAJOR COMPONENT A GASOLINE AND FROM 0.001 TO 10 WEIGHT PERCENT OF A PRODUCT OF THE CHEMICAL CONDENSATION OF ONE MOLAR PROPORTION OF A TERTIARY ALKYL MERCAPTAN HAVING FROM 8 TO 20 CARBON ATOMS PER MOLECULE WITH FROM 3 TO 14 MOLAR PROPORTIONS OF ETHYLENE OXIDE.
Claim 2
Dependent Claim
52 words
A FUEL COMPOSITION COMPRISING AS A MAJOR COMPONENT A GASOLINE AND FROM 0.001 TO 10 WEIGHT PERCENT OF A PRODUCT OF THE CHEMICAL CONDENSATION OF ONE MOLAR PROPORTION OF A TERTIARY ALKYL MERCAPTAN HAVING FROM 8 TO 20 CARBON ATOMS PER MOLECULE WITH FROM 3 TO 14 MOLAR PROPORTIONS OF ETHYLENE OXIDE.
References Cited (Backward Citations)
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US2642400A
Cited
US2599338A
Cited
US2600113A
Cited
US2807526A
Cited
US2668522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |