This invention is directed to lithium disilicate (Li2Si2O5) based glass-ceramics comprising
silica, lithium oxide, alumina, potassium oxide and phosphorus pentoxide. The glass …

ASSociates (57) ABSTRACT This invention relates to a flat float glass that can be
prestressed or transformed into a glass ceramic with high quartz mixed crystals or keatite …

This invention is directed to lithium disilicate (Li 2 Si 2 O 5) based glass-ceramics comprising
silica, lithium oxide, alumina, potassium oxide and phosphorus pentoxide. The glass …

This invention relates to glass-ceramic articles containing lithium disilicate crystals as the
predominant crystal phase and consisting essentially, in weight percent, of 8-19% Li 2 O, 0 …

3.236, 610 A 2/1966 McMillan CA 1120960 3/1982 3,238,085 A 3/1966 Hayami CA
2213390 8/1997 3.252, 811 A 5/1966 Beal DE 1421886 12/1961 3.253. 975 A 5/1966 Olcott …

BACKGROUND OF THE INVENTION The use of certain glass-ceramics consisting predomi
nantly of lithium oxide and silicon dioxide as materials for dental restorations has been …

5, 1966 4, 1974 6, 1974 8, 1976 9, 1984 10, 1984 5, 1985 1, 1993 6, 1993 4, 1996 12, 1997
10, 1999 1, 2002 4, 2002 T/2002 9, 2002 11, 2002 2, 2003 2, 2003 10, 2004 11, 2004 1 …

Composition and process for the preparation of high tem perature stable continuous glass
ceramic fibers with an upper temperature use limit of 2300 F are provided. The com …

A composition and method of making a high strength semi-crystalline ceramic material of the
lithium, aluminum, silicon oxides system type. The composition is characterized by a …

3,460,987 8/1969 McMillan et al. 117/219 deformation properties of the crucible must be
such that 3,804,608 4/1974 Gaskell........ 65/33 when the glass-ceramic material in the …