Patent US3772236A successfully refreshed from Google Patents.
US3772236A
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Polyfluorocarbon-moisture curing polyurethane polyvinyl butyral-dispersion composition for low friction coatings
Assignee: Acheson Industries Inc
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Filing: 1971-11-09
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Granted: 1973-11-13
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Expires: 1991-11-09
Abstract
Abstract STABILIZED DISPERSIONS OF POLYTERTRAFLUOROETHYLENE PARTICLES IN A WATER-CONTAINING MOISTURE CURING POLYURETHANE POLYMER SOLUTION SUITABLE FOR USE IN PREPARING LOW-FRICTION PROTECTIVE COATINGS, METHODS OF PREPARING SUCH DISPERSIONS AND METHODS OF APPLYING THESE DISPERSIONS TO SUBSTRATES TO FORM LOW-FRICTION COATINGS.
Inventors
- 👤 C Soons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:04
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C09D175/00; C09D175/04; C09D175/06; C08; C08L; C08L29/00; C08L29/14; C08L75/00; C08L75/04
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) | 1976-11-12 | 1977-05-14 | 1977-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-12 | 1981-05-14 | 1981-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-12 | 1985-05-14 | 1985-11-13 | $7700.00 | Window Closed / Lapsed |