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US2857253A
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Diesel fuel compositions
Assignee: Ethyl Corp
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Filing: 1956-05-28
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Granted: 1958-10-21
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Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 James B Hinkamp
- 👤 Sugimoto Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:26
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/23; C10L1/231
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
AS A NEW COMPOSITION OF MATTER A DIESEL FUEL CONSISTING ESSENTIASLLY OF A HYDROCARBON MIXTURE BOILING IN THE DIESEL FUEL RANGE AND CONTAINING A SYNERGISTIC MIXTURE WHICH CONSISTS OF A LOWER ALKYL NITRATE AND ROSIN AMINE WHEREIN THE ROSIN AMINE CONSISTS ESSENTIALLY OF DEHYDROABIETYLAMINE HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
48 words
AS A NEW COMPOSITION OF MATTER A DIESEL FUEL CONSISTING ESSENTIASLLY OF A HYDROCARBON MIXTURE BOILING IN THE DIESEL FUEL RANGE AND CONTAINING A SYNERGISTIC MIXTURE WHICH CONSISTS OF A LOWER ALKYL NITRATE AND ROSIN AMINE WHEREIN THE ROSIN AMINE CONSISTS ESSENTIALLY OF DEHYDROABIETYLAMINE HAVING THE STRUCTURAL FORMULA
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) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |