Decorative laminate surfaced with a transparent film of polyvinyl fluoride which film is temporarily covered with a transparent film of nylon
Abstract
Abstract A DECORATIVE LAMINATE COMPRISING A HEAT AND PRESSURE CONSOLIDATED ASSEMBLY OF (1) A PLURALITY OF KRAFT PAPER CORE SHEETS, (2) AN ALPHA-CELLULOSE PAPER DECORATIVE SHEET, (3) A FILM OF A HOMOGENEOUS BLEND OF POLYVINYL FLUORIDE CONTAINING UNIFORMLY DISPERSED THEREIN FROM ABOUT 0.1% TO ABOUT 10% BY WEIGHT OF A POLYMER OF A POLYMERIZABLE 2-HYDROXY-BENZOPHENONE, AND (4) A REMOVABLE FILM OF NYLON, WHEREIN SAID KRAFT PAPER SHEETS HAD BEEN PRE-IMPREGNATED WITH A THERMOSETTING PHENOLIC RESIN AND SAID ALPHA-CELLULOSE SHEET HAD BEEN PRE-IMPREGNATED WITH A THERMOSETTING MELAMINE-FORMALDEHYDE RESIN, ALL OF SAID THERMOSETTING RESINS HAVING BEEN CONVERTED TO THE THERMOSET STATE DURING THE HEAT AND PRESSURE CONSOLIDATION STEP.
Inventors
- 👤 Jay Thomas Oliver
Bibliographic Details
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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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |