US3585139A
Expired / Lapsed
US
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Hydrocarbon oils containing 1-aza bicyclo alkane additives
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1969-04-23
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Granted: 1971-06-15
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Expires: 1989-04-23
Abstract
Abstract MINERAL AND SYNTHETIC OIL COMPOSITIONS, SUCH AS GASOLINE, FUELS, LUBRICANTS, ETC., ARE STABLILIZED AGAINST SLUDGE FORMATION, COLOR DEGRADATION, ETC., BY THE ADDITION THERETO OF 1-AZA BICYCLO ALKANES HAVING FROM 5 TO ABOUT 9 CARBON ATOMS IN THE SKELETAL RINGS WITH THE AZA NITROGEN BEING A BRIDGEHEAD NITROGEN.
Inventors
- 👤 Jack Ryer
- 👤 Harold E Deen
- 👤 Bruce G Gillespie
- 👤 Robert R Kuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:57
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/08; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/232; C10M; C10M133/00; C10M133/02; C10M133/38; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/28; C10M2207/282; C10M2207/32; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/086; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/11; C10M2209/111; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/135; C10N2070/00; C10N2070/02
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |