US3594353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel ester polymers
Assignee: ChampionX LLC
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Filing: 1969-08-06
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Granted: 1971-07-20
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Expires: 1989-08-06
Abstract
Abstract NEW AND USEFUL ETHYLENICALLY UNSATURATED FLUORINATED POLYMERS USED IN SIZING FABRICS TO IMPART BOTH REPELLENCY TO WATER AND RESISTANCE TO ABSORPTION AND SOILING BY OILY AND GREASY MATERIAL.
Inventors
- 👤 Elemer Domba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:55
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/10; C08F22/12; C08F22/18; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/277
Claims Analysis
Total Claims: 0
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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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |