Stock material or miscellaneous articles – Surface property or characteristic of web – sheet or block – Surface modified glass
Patent
1976-07-19
1977-10-11
Robinson, Ellis
Stock material or miscellaneous articles
Surface property or characteristic of web, sheet or block
Surface modified glass
428218, 106 52, 65 30E, 65 30R, B32B 1700, C03C 2100
Patent
active
040536793
ABSTRACT:
Opal glasses capable of being chemically strengthened by ion exchange with potassium are comprised of (by weight on the oxide basis):
REFERENCES:
patent: 3357876 (1976-12-01), Rinehart
patent: 3485647 (1969-12-01), Harrington
patent: 3485702 (1969-12-01), Mochel
patent: 3498773 (1970-03-01), Grubb
patent: 3498801 (1970-03-01), Keul
patent: 3778335 (1973-12-01), Boyd
patent: 3790430 (1974-02-01), Mochel
patent: 3907577 (1975-09-01), Kiefer
Millman Dennis G.
PPG Industries Inc.
Robinson Ellis
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