Patent US3701730A successfully refreshed from Google Patents.
US3701730A
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Extreme pressure properties of synthetic lubricants
Assignee: MassMutual Corporate Value Partners
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Filing: 1970-12-23
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Granted: 1972-10-31
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Expires: 1990-12-23
Abstract
Abstract EXTREME PRESSURE PROPERTIES OF SYNTHETIC LUBRICANTS, E.G., ESTERS, ARE IMPROVED BY THE ADDITION OF (A) DIBROMINATED NEOPENTYL GLYCOL ESTER, (B) A PHOSPHATE ESTER, (C) A POLYCARBOXYLIC ACID HAVING 2-54 CARBON ATOMS, OR (D) COMBINATIONS OF (A), (B) AND (C).
Inventors
- 👤 David A Daniels
- 👤 Kenneth T Wendler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:06
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/109; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/02; C10N2040/12; C10N2040/13
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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |