Thermoplastic adhesive sheet
Abstract
Abstract AN IRON-ON ADHESIVE SHEET COMPRISING A FLEXIBLE BACKING SHEET, AND A NORMALLY NON-TACKY LAYER OF A THERMOPLASTIC ADHESIVE APPLIED TO ONE MAJOR SURFACE OF SAID BACKING. THE ADHESIVE COMPRISES ABOUT 100 PARTS OF A RELATIVELY LOW SOFTENING POINT, RELATIVELY LOW MOLECULAR WEIGHT POLAR VINYL CHLORIDE COPOLYMER, ABOUT 40-80 PARTS OF A MONOMERIC PLASTICIZER FOR SAID COPOLYMER, ABOUT 30-50 PARTS OF RELATIVELY HIGH SOFTENING POINT, UNFUSED RELATIVELY HIGH MOLECULAR WEIGHT VINYL CHLORIDE POLYMER PARTICLES, AND ABOUT 40-60 PARTS OF A POLYMERIC PLASTICIZER FOR SAID HIGH MOLECULAR WEIGHT POLYMER. PREFERABLY, A VINYL BARRIER LAYER IS APPLIED BETWEEN THE BACKING SHEET FABRIC AND THE ADHESIVE LAYER.
Inventors
- 👤 Albert A Fournier
Bibliographic Details
Claims Analysis
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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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |