Stock material or miscellaneous articles – Surface property or characteristic of web – sheet or block – Surface modified glass
Patent
1979-01-04
1980-08-19
Kellogg, Arthur D.
Stock material or miscellaneous articles
Surface property or characteristic of web, sheet or block
Surface modified glass
65 33, C03C 2100
Patent
active
042185122
ABSTRACT:
Glass-ceramic articles which are translucent are strengthened by creating a surface compression layer by controlling the crystallization process to yield different crystalline forms at the surface and in the interior.
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patent: 3764444 (1973-10-01), Simmons
patent: 3846099 (1974-11-01), Simmons
"Glass Ceramics--Theory & Practice," J. J. Hammel & T. Allersma, Wiss. Ztschr. Friedrich-Schiller-Univ. Jena, Math.-Nat. R., 23 Jg. (1974), H. 2.
Kellogg Arthur D.
Millman Dennis G.
PPG Industries Inc.
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