US3649570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions
Assignee: Henkel Corp
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Filing: 1969-09-24
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Granted: 1972-03-14
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Expires: 1989-09-24
Abstract
Abstract LUBRICANT COMPOSITIONS CONTAINING A POLYESTER ARE PREPARED FROM SHORT-CHAIN DICARBOXYLIC ACIDS CONTAINING FROM 6 TO 13 CARBON ATOMS, POLYOLS, AND MONOBASIC CARBOXYLIC ACID CHAIN TERMINATORS REFINED WITH A GLYCIDYL ESTER OF AN ALIPHATIC ACID HAVING FROM ABOUT 5 TO 22 CARBON ATOMS.
Inventors
- 👤 Raymond H Boehringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:12
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2207/302; C10M2207/304; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/11; C10M2209/111; C10M2209/112; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
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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) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |