US3586629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal salts as lubricant additives
Assignee: Mobil Oil AS
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Filing: 1968-09-16
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Granted: 1971-06-22
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Expires: 1988-09-16
Abstract
Abstract ALKALINE EARTH METAL SALTS OF CONDENSATION PRODUCTS PREPARED FROM A HYDROXY AROMATIC COMPOUND, AN ALDEHYDE AND AN AMINE PRODUCES IMPROVED HIGH TEMPERATURE DETERGENT PROPERTIES FOR INDUSTIRAL FLUIDS.
Inventors
- 👤 Ferdinand P Otto
- 👤 Frederick C Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:49
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/086; C10M2215/14; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/09; C10M2219/10; C10M2219/104; C10M2219/108; 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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |