Stock material or miscellaneous articles – Composite – Of quartz or glass
Reexamination Certificate
2007-07-31
2010-02-23
Blackwell, Gwendolyn (Department: 1794)
Stock material or miscellaneous articles
Composite
Of quartz or glass
C501S053000, C501S055000, C501S065000, C501S066000, C501S068000, C501S069000, C501S070000, C501S072000
Reexamination Certificate
active
07666511
ABSTRACT:
An alkali aluminosilicate glass that is chemically strengthened and has a down-drawable composition. The glass has a melting temperature less than about 1650° C. and a liquidus viscosity of at least 130 kpoise and, in one embodiment, greater than 250 kpoise. The glass undergoes ion exchange at relatively low temperatures to a depth of at least 30 μm.
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Ellison Adam James
Gomez Sinue
Blackwell Gwendolyn
Corning Incorporated
Santandrea Robert P.
Schaeberle Timothy M.
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