DIFF Subgroup
C03C 10/02 Non-silica and non-silicate crystalline phase, e.g. spinel, barium titanate
Introduced: January 1985
Full Title
Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition > Non-silica and non-silicate crystalline phase, e.g. spinel, barium titanate