US3135765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-substituted-alkenyl-succinimides in distillate fuels
Assignee: ExxonMobil Oil Corp
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Filing: 1961-10-24
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Granted: 1964-06-02
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Expires: 1981-10-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry J Andress
- 👤 Paul Y C Gee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:35
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224; C10L1/234; C10L1/238; C10L1/2383
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
16 words
A COMPOSITION OF MATTER SELECTED FROM THE GROUP CONSISTING OF: (1) AN N-CARBOXYMETHYL-ALKENYL-SUCCINIMIDE HAVING THE STRUCTURE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |