Patent US3634245A successfully refreshed from Google Patents.
US3634245A
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Water soluble lubricant
Assignee: Kerns United Corp
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Filing: 1969-06-18
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Granted: 1972-01-11
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Expires: 1989-06-18
Abstract
Abstract A WATER SOLUBLE COMPOSITION COMPRISING THE PRODUCT OBTAINED BY TRANSESTERIFYING A TRIGLYCERIDE (E.G. CASTOR OIL) WITH A POLYMERIC ALKYLENE OXIDE GLYCOL UNTIL THE REACTION PRODUCTS ARE WATER-SOLUBLE AND THEN ESTERIFYING THE HYDROXY COMPOUNDS PRESENT WITH A CARBOXYLIC OR DICARBOXYLIC ACID. THESE PRODUCTS ARE OF VALUE AS LUBRICANTS IN A WIDE VARIETY OF FIELDS.
Inventors
- 👤 Inara Dagnija Meisters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:06
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C11; C11C; C11C3/00; C11C3/04; C11C3/08; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2209/11; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01; C10N2070/00; C10N2070/02
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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |