Breathable laminate substantially non-permeable to aerosols and dusts
Abstract
Abstract THIS INVENTION IS DIRECTED TO A FLEXIBLE, BREATHABLE, WEARABLE, PROTECTIVE LAMINATE SUBSTANTIALLY NON-PERMEABLE TO AEROSOLS AND DUSTS, SAID LAMINATE BEING EXCELLENTLY ADAPTED FOR THE MANUFACTURE OF PROTECTIVE CLOTHING; SAID LAMINATE CAN BE MADE BY BONDING A WEB OF FLEXIBLE, BREATHABLE, WEARABLE WOVEN FABRIC TO AT LEAST ONE SURFACE OF A FLEXIBLE, BREATHABLE, WEARABLE NONWOVEN FABRIC COMPRISING A MIXTURE OF A FIRST THERMOPLASTIC STAPLE FIBER HAVING A COMMERCIAL MOISTURE REGAIN VALUE OF LES THAN ABOUT 5 PERCENT AND HAVING A DIAMETER OF ABOUT 17 TO 50 MICRONS AND A SECOND STAPLE FIBER HAVING A COMMERCIAL MOISTURE REGAIN VALUE OF ABOUT 5 TO 15 PERCENT AND HAVING A DIAMETER OF ABOUT 1 TO 16 MICRONS.
Inventors
- 👤 Nathan Sugarman
- 👤 George L Braude
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |