US3595789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease resistant to oil separation at elevated temperature
Assignee: Mobil Oil AS
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Filing: 1968-12-16
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Granted: 1971-07-27
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Expires: 1988-12-16
Abstract
Abstract GREASES SUBSTANTIALLY RESISTANT TO OIL SEPARATION AT ELEVATED TEMPERATURE ARE FORMED BY PREPARING A GREASE COMPOSITION CONTAINING A COMPLEX SOAP OR A CLAY GELLING AGENT AND THEN MIXING WITH THE GREASE A MINOR AMOUNT OF A POLYISOBUTLYLENE, A POLYSTYRENE, OR A METHACRYLATE COPOLYMER, WITHOUT SUBSTANTIAL SHEARING OF THE POLYMER.
Inventors
- 👤 Henry Selden Coshburn Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:04
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/06; C10M2201/062; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/083; C10M2201/084; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/14; C10M2203/00; C10M2203/10; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2205/04; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/026; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2211/00; C10M2211/02; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/086; C10M2215/10; C10M2215/102; C10M2215/24; C10M2215/28; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/08; C10M2227/081; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2010/08; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |