Composition articles prepared therefrom and method of preparing such articles
Abstract
Abstract A GLASS SURFACE COATING COMPOSITION WHICH WHEN HEATFUSED ON A GLASS SURFACE PROVIDES THE GLASS SURFACE WITH A PROTECTIVE SCRATCH RESISTANT AND OPTICALLY TRANSPARENT COATING IN ADDITION TO PROVIDING ANTI-GLARE AND HIGH OPTICAL RESOLUTION CHARACTERISTICS. THE COATED GLASS SURFACE IS PRODUCED BY A METHOD COMPRISING THE STEPS OF HEAT-BONDING ONTO THE GLASS SURFACE AN AQUEOUS COMPOSITION CONSISTING ESSENTIALLY OF THE FOLLOWING CONSTITUENTS IN THE INDICATED RANGE OF PERCENT BY WEIGHT: CONSTITUENTS: PERCENTAGE BY WEIGHT CONSTITUENPHOSPHORIC ACID 0-30 ALUMINUM PHOSPHATE 5-14 TOGETHER WITH OTHER BENEFICIAL CONSTITUENTS IN THE FOLLOWING INDICATED RANGE OF PERCENTAGE BY WEIGHT: CONSTITUENTS: PERCENTAGE BY WEIGHT SODIUM PHOSPHATE 0-30 AMMONIUM PHOSPHATE 0-10 ANILINE PHOSPHATE 0-7 MAGNESIUM OXIDE, CARBONATE OR NITRATE 0-7 ZINC OXIDE, CARBONATE OR NITRATE 0-7 ALUMINUM HALIDE 0-7 IRON HALIDE 0-7 TOTAL OTHER BENEFICIAL CONSTITUENTS $1
Inventors
- 👤 J Francel
- 👤 F Mansur
Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |