Treatment of light-weight,non-woven polyolefin fabrics
Abstract
Abstract A PROCESS IS DESCRIBED FOR TREATING A LIGHTWEIGHT, NONWOVEN POLYOLEFIN FABRIC HAVING A WEIGHT OF ABOUT 1-13 OUNCES PER SQUARE YARD TO MAKE IT RECEPTIVE TO TREATING AGENTS. THE ONE SURFACE OF THE FABRIC THERE IS APPLIED A VERY THIN LAYER OF A CURABLE COMPOSITION CONTAINING (A) A LOW CURING TEMPERATURE, FLEXIBLE POLYMERIZABLE RESIN COMPRISING A MIXTURE OF VINYL AND ACRYLIC TYPE RESIN LATTICES WHICH IS NON-TACKY WHEN CURED AND IS RECEPTIVE TO TREATING AGENTS AND (B) A VINYL ETHER COPOLYMER AS AN ADHESION IMPROVER. THE COMPOSITION IS APPLIED AT A BROOKFIELD VISCOSITY OF ABOUT 9,000 TO 12,000 IN AN AMOUNT OF ABOUT 1/2 TO 2 OUNCES OF SOLIDS PER SQUARE YARD OF FABRIC BY MEANS OF A SCREEN ENGRAVED ROLLER.
Inventors
- 👤 George Pascall
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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |