Glass-ceramic materials, precursor glass thereof and process...

Details Glass-ceramic materials, precursor glass thereof and process... Glass-ceramic materials, precursor glass thereof and process...

2006-06-26

2008-12-16

Group, Karl E (Department: 1793)

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

C501S007000, C065S033100, C065S033800

Reexamination Certificate

active

07465686

ABSTRACT:
The invention relates to: a method of preparing glass-ceramics of β-quartz and/or of β-spodumene; a method of preparing articles made from said glass-ceramics; novel glass-ceramics of β-quartz and/or of β-spodumene; articles made from said novel glass-ceramics; and lithium aluminosilicate glasses, which are precursors of such novel glass-ceramics. The present invention relates to the use, as agent for fining the glass-ceramic glass precursor, of fluorine and at least one oxide of a multivalent element.

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English language abstract for DE 199 39 787, supplied from esp@cenet database.

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