Oil-and water-repellent composition consisting of a fluorine containing polymer,selected salts and an antistatic agent
Abstract
Abstract AN OIL-REPELLENT AND WATER-REPELLENT COMPOSITION WHICH CONSISTS OF AN AQUEOUS COMPOSITION CONTAINING A FLUORINECONTAINING POLYMER HAVING A SIDE CHAIN CONTAINING PERFLUOROALKYL GROUP OF 3 TO 21 CARBON ATOMS IN THE CONCENTRATION OF 0.1 TO 10 WEIGHT PERCENT, A WATER-SOLUBLE SALT IN THE RANGE OF 0.01 TO 10 TIMES THE WEIGHT OF SAID FLUORINECONTAINING POLYMER AND AN EXTERNAL PERMANENT ANTISTATIC AGENT IN AN AMOUNT OF FROM 0.1 TO 20 TIMES THE WEIGHT OF SAID FLUORINE-CONTAINING POLYMER; AND A PROCESS FOR IMPARTING OIL- AND WATER-REPELLENT PROPERTIES TO FIBROUS MATERIALS, WHICH COMPRISES THE STEP OF WETTING THE FIBROUS MATERIAL WITH SAID AQUEOUS COMPOSITION AND DRYING THE TREATED FIBROUS MATERIAL.
Inventors
- 👤 A Katsushima
- 👤 T Kato
- 👤 M Nagai
- 👤 I Hisamoto
- 👤 S Fukui
- 👤 A Iwatani
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |