US2710252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkanediol esters of alkyl boronic acids and motor fuel containing same
Assignee: Standard Oil Co
•
Filing: 1954-05-17
•
Granted: 1955-06-07
•
Expires: 1974-05-17
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Darling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:52
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/025; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
24 words
AN ESTER OF AN ALKANEDIOL HAVING FROM 2 TO 8 CARBON ATOMS AND AN ALKYL BORONIC ACID HAVING FROM 4 TO 10 CARBON ATOMS.
Claim 2
Dependent Claim
24 words
AN ESTER OF AN ALKANEDIOL HAVING FROM 2 TO 8 CARBON ATOMS AND AN ALKYL BORONIC ACID HAVING FROM 4 TO 10 CARBON ATOMS.
Claim 3
Dependent Claim
30 words
A LIQUID HYDROCARBON MOTOR FUEL CONTAINING THE ESTER OF CLAIM 1 IN AN AMOUNT TO MINIMIZE OCTANE REQUIREMENT INCREASE OF AN INTERNAL COMBUSTION ENGINE ON WHICH SAID FUEL IS OPERATED.
References Cited (Backward Citations)
US2257194A
Cited
US2312208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |