Patent US3305329A successfully refreshed from Google Patents.
US3305329A
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Fuel compositions
Assignee: Rohm and Haas Co
•
Filing: 1963-05-29
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Granted: 1967-02-21
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Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Homer J Sims
- 👤 Harry J White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:33
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/06; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/16; C07D233/20; C07D233/26; C07D235/00; C07D235/02; C07D235/04; C07D235/06; C07D235/16; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/232; F; F02; F02B; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A LIQUID HYDROCARBON FUEL HAVING INCORPORATED THEREIN IN AN AMOUNT SUFFICIENT TO IMPART ANTI-RUST ACTIVITY AT LEAST ONE CYCLIC AMIDINE HAVING THE FORMULA
Claim 2
Dependent Claim
23 words
A LIQUID HYDROCARBON FUEL HAVING INCORPORATED THEREIN IN AN AMOUNT SUFFICIENT TO IMPART ANTI-RUST ACTIVITY AT LEAST ONE CYCLIC AMIDINE HAVING THE FORMULA
References Cited (Backward Citations)
US3036902A
Cited
US3089761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |