Patent US2005892A successfully refreshed from Google Patents.
US3679587A
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US
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Functional fluid compositions containing perfluoro surfactants
Assignee: Monsanto Co
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Filing: 1970-03-10
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Granted: 1972-07-25
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Expires: 1990-03-10
Abstract
Abstract PHOSPHATE ESTER BASED FUNCTIONAL FLUID COMPOSITIONS CONTAINING SMALL AMOUNTS OF PERFLUORINATED ANIONIC SURFACTANTS ARE NOVEL COMPOSITIONS OF MATTER WHICH WHEN EMPLOYED AS HYDRAULIC FLUIDS IN HYDRAULIC SYSTEMS SHOW INCREASED ABILITY TO INHIBIT EROSION OF MATERIAL AND DAMAGE TO MEMBERS IN SUCH HYDRAULIC SYSTEMS.
Inventors
- 👤 Terrill D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:08
CPC Classifications
C; C10; C10M; C10M3/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/04; C10M2207/042; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/101; C10M2209/103; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/086; C10M2219/087; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 0
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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) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |