Fluorocarbon derivatives
Abstract
Abstract FLUORINATED QUARTERNARY AMMONIUM SALTS HAVING THE FORMULA (RF-CO-NH-(CXH2X-N(-Z''))Y-CXH2X-NH-Z)Q(+).(Q/R)X R(-) WHEREIN X AND Y ARE INTEGERS FROM 2 TO 6 AND 1 TO 4, RESPECTIVELY; RF IS A PERFLUOROALKYL OR A FLUORINATED ISOALKOXYALKYL RADICAL; Z IS H, A FLUORINATED ACYL RADICAL RFCO- WHEREIN RF IS AS DESCRIBED ABOVE, A VINYL SULFONE RADICAL OR A SULFONE-TERTIARY AMINE ADDUCT RADICAL; Z'' IS H, A FLUORINATED ACYL RADICAL RFCO- WHEREIN RF IS AS DESCRIBED ABOVE, A VINYL SULFONE RADICAL, A SULFONE-TERTIARY AMINE ADDUCT RADICAL, OR A -CXH2X-NHZ RADICAL WHEREIN X AND Z HAVE THE ABOVE MEANING, THERE BEING AT LEAST ONE FLUORINATED ACYL RADICAL AND ONE SULFONE-TERTIARY AMINE ADDUCT RADICAL IN THE MOLECULE REPRESENTED BY Z AND Z''; X IS AN ANION OF A SALT-FORMING ACID; Q IS AN INTEGER CORRESPONDING TO THE NUMBER OF SULFONE-TERTIARY AMINE ADDUCT RADICALS IN THE MOLECULE; AND R IS AN INTEGER CORRESPONDING TO THE VALENCY OF X. THESE SALTS ARE WATER- AND/OR OIL REPELLENCY AGENTS FOR MATERIALS SUCH AS TEXTILES AND PAPER.
Inventors
- 👤 Richard F Sweeney
- 👤 Alson K Price
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) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |