US3645901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-in-oil hydraulic fluid
Assignee: Atlantic Richfield Co
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Filing: 1968-10-03
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Granted: 1972-02-29
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Expires: 1988-10-03
Abstract
Abstract FIRE RESISTANT, WATER-IN-OIL EMULSIONS SUITABLE FOR USE AS HYDRAULIC FLUIDS AND HAVING IMPROVED WEAR RESISTANCE OVER A WIDE RANGE OF OPERATING CONDITIONS, ICLUDING HIGH PRESSURE CONDITIONS, ARE OBTAINED BY INCORPORATING ANTIWEAR ADDITIVES INTO THE OIL PHASE AND CERTAIN ADDITIVES WHICH EXHIBIT ANTI-WEAR PROPERTIES IN THE WATER PHASE. THE WATER PHASE ANTI-WEAR ADDITIVES INCLUDE THE ALKANOLAMINE SLATS OF BORIC ACID AND THE TRIALKANOLAMINE BORATES.
Inventors
- 👤 Howard J Matson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:44
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/024; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/02; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10N; C10N2010/00; C10N2010/04; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/01
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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |