US3574576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distillate fuel compositions having a hydrocarbon substituted alkylene polyamine
Assignee: Chevron USA Inc
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Filing: 1965-09-20
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Granted: 1971-04-13
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Expires: 1985-09-20
Abstract
Abstract FUEL COMPOSITIONS HAVING POLYPROPYLENE OR POLYISOBUTYLENE SUBSTITUTED POLYAMINES AS DETERGENTS OR DISPERSANTS.
Inventors
- 👤 Lewis R Honnen
- 👤 Robert Gordon Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:00
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/52; C10M133/58; C07; C07D; C07D295/00; C07D295/02; C08; C08F; C08F8/00; C08F8/18; C08F8/20; C08F8/30; C08F8/32; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/238; C10L1/2383; C10M133/54; C10M2203/00; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2205/028; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2227/00; C10M2227/02; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/25; C10N2040/255; C10N2040/26; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
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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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |