US2615799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diesel fuel
Assignee: Sinclair Refining Co
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Filing: 1948-04-03
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Granted: 1952-10-28
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Expires: 1968-04-03
Abstract
No abstract record available.
Inventors
- 👤 Edward J Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:08
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/16; C10L1/1691; C10L1/18; C10L1/192; C10L1/195; C10L1/196; C10L1/1963
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A DIESEL FUEL CONTAINING FROM ABOUT 0.005% TO ABOUT 2% OF A VAPOUR DEPRESSOR OF A VISCOUS, OIL-SOLUBLE POLYMERIZATION PRODUCT OF ESTERS OF ALPHA METHACRYLIC ACID AND MONOHYDRIC ALIPHATIC SATURATED ALCOHOLS WHICH ARE PREDOMINANTLY LAURYL ALCOHOLS, AND FROM ABOUT 0.005% TO ABOUT 1.5% OF AN EXTRANEOUS HYDROCARBON WAX SELECTED FROM THE GROUP CONSISTING OF AMORPHOUS AND CRYSTALLINE WAXES, AND HAVING A CETANE VALUE AT LEAST EQUIVALENT TO THAT OF THE DIESEL FUEL FREE OF ADDITIVES.
Claim 2
Dependent Claim
75 words
A DIESEL FUEL CONTAINING FROM ABOUT 0.005% TO ABOUT 2% OF A VAPOUR DEPRESSOR OF A VISCOUS, OIL-SOLUBLE POLYMERIZATION PRODUCT OF ESTERS OF ALPHA METHACRYLIC ACID AND MONOHYDRIC ALIPHATIC SATURATED ALCOHOLS WHICH ARE PREDOMINANTLY LAURYL ALCOHOLS, AND FROM ABOUT 0.005% TO ABOUT 1.5% OF AN EXTRANEOUS HYDROCARBON WAX SELECTED FROM THE GROUP CONSISTING OF AMORPHOUS AND CRYSTALLINE WAXES, AND HAVING A CETANE VALUE AT LEAST EQUIVALENT TO THAT OF THE DIESEL FUEL FREE OF ADDITIVES.
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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |