Patent US3769215A successfully refreshed from Google Patents.
US3769215A
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Ester lubricant compositions
Assignee: Henkel Corp
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Filing: 1972-02-04
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Granted: 1973-10-30
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Expires: 1992-02-04
Abstract
Abstract ESTER LUBRICANT COMPOSITIONS ARE PROVIDED WHICH PROVIDE A GOOD BALANCE OF LUBRICITY AND EMULSIFIABILITY. THE ESTERS ARE DERIVED FROM POLYOXYALKYLENE GLYCOLS WITH A DIBASIC ACID MIXTURE CONSISTING OF DIMER ACIDS AND SHORTCHAIN DIBASIC ACIDS. CLEAR, HOMOGENEOUS LUBRICANT SOLUTIONS ARE ALSO PROVIDED.
Inventors
- 👤 R Sturwold
- 👤 F Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:31
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/507; D06M15/51; C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/199; C08G63/66; C08G63/668; C08G63/672; C10; C10M; C10M3/00; D06M7/00; C10M2201/00; C10M2201/02; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2209/107; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2040/46; D06M2200/00; D06M2200/40
Claims Analysis
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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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |