US3788993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions
Assignee: Mobil Oil AS
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Filing: 1972-04-24
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Granted: 1974-01-29
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Expires: 1992-04-24
Abstract
Abstract HYDROCARBON LUBRICANT COMPOSITIONS ARE PROVIDED CONTAINING A MINOR PROPORTION OF THE REACTION PRODUCT OF AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF ALKYL AND ALKENYLSUCCINIC ANHYDRIDES AND AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF BENZOTRIAZOLE AND SUBSTITUTED BENZOTRIAZOLES IN A MOLE RATIO OF 1:1 TO 1:2.
Inventors
- 👤 H Andress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:12
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/02; C10M2205/024; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/10; C10M2215/102; C10M2215/22; C10M2215/221; C10M2215/222; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/065; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/08; C10M2227/081; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
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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) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |