US2965460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distillate hydrocarbon compositions
Assignee: Standard Oil Co
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Filing: 1955-02-17
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Granted: 1960-12-20
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Expires: 1975-02-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Herman E Ries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:45
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2608
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A NON-VISCOUS LIQUID HYDROCARBON COMPOSITION CONSISTING ESSENTIALLY OF A NON-VISCOUS DISTILLATE HYDROCARBON FRACTION BOILING IN THE GASOLINE TO DIESEL FUEL RANGE AND FROM ABOUT 0.00001% TO ABOUT 0.1% BY WEIGHT OF A PHOSPHONIC ACID ADDITIVE SELECTED FROM THE GROUP CONSISTING OF PHOSPHONIC ACIDS AND MONO-ALKYL ESTERS THEREOF IN WHICH THHE ACID CONTAINS A LONG CHAIN HYDROCARBON GROUP COMPRISING AN ESSENTIALLY STRAIGHT ALIPHATIC CHAIN OF AT LEAST 10 CARBON ATOMS ATTACHED TO THE PHOSPHORUS ATOM AND IN WHICHH THE ALKYL RADICAL OF THE ESTER GROUP CONTAINS LESS THAN 10 CARBON ATOMS.
Claim 2
Dependent Claim
90 words
A NON-VISCOUS LIQUID HYDROCARBON COMPOSITION CONSISTING ESSENTIALLY OF A NON-VISCOUS DISTILLATE HYDROCARBON FRACTION BOILING IN THE GASOLINE TO DIESEL FUEL RANGE AND FROM ABOUT 0.00001% TO ABOUT 0.1% BY WEIGHT OF A PHOSPHONIC ACID ADDITIVE SELECTED FROM THE GROUP CONSISTING OF PHOSPHONIC ACIDS AND MONO-ALKYL ESTERS THEREOF IN WHICH THHE ACID CONTAINS A LONG CHAIN HYDROCARBON GROUP COMPRISING AN ESSENTIALLY STRAIGHT ALIPHATIC CHAIN OF AT LEAST 10 CARBON ATOMS ATTACHED TO THE PHOSPHORUS ATOM AND IN WHICHH THE ALKYL RADICAL OF THE ESTER GROUP CONTAINS LESS THAN 10 CARBON ATOMS.
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |