US2905540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Difficultly hydrolysable additives for diesel fuels
Assignee: BASF SE
•
Filing: 1957-02-07
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Granted: 1959-09-22
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Expires: 1977-02-07
Abstract
No abstract record available.
Inventors
- 👤 Schickh Otto Von
- 👤 Nottes Guenther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:13
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/23; C10L1/231; C07; C07C; C07C203/00; C07C203/02; C07C203/08; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
AS A NEW COMPOSITION OF MATTER, A DIESEL FUEL CONTAINING THE NITRIC ACID ESTER OF A CYCLOAKYL ALCOHOL IN AN AMOUNT SUFFICIENT TO INCREASE THE CETANE NUMBER OF SAID FUEL.
Claim 2
Dependent Claim
30 words
AS A NEW COMPOSITION OF MATTER, A DIESEL FUEL CONTAINING THE NITRIC ACID ESTER OF A CYCLOAKYL ALCOHOL IN AN AMOUNT SUFFICIENT TO INCREASE THE CETANE NUMBER OF SAID FUEL.
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) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |