Glass-ceramics, process for the their preparation and use

Details Glass-ceramics, process for the their preparation and use Glass-ceramics, process for the their preparation and use

2005-09-20

2005-09-20

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S022000, C501S023000, C501S024000, C501S026000, C501S006000, C501S007000, C427S374700

Reexamination Certificate

active

06946414

ABSTRACT:
Glass-ceramic consisting of: SiO2: −30-70 wt %; A12O3: 8-45 wt %; M2O:8-30 wt %; MO: 0-30 wt %; B2O3: 0-15 wt %; P2O5: 0-15 wt %; Zr2O: 0-12 wt %; TiO2: 0-12 wt %, wherein M is chosen in the group consisting of: Li, NA, K or mixture thereof; M′ is chosen in the group consisting of: Be, Mg, Ca, Ba, Sr, Zn, Pb or mixture thereof are described.

REFERENCES:
patent: 3368712 (1968-02-01), Sanford et al.
patent: 3565644 (1971-02-01), Eppler
patent: 5944884 (1999-08-01), Panzera et al.
patent: 6174608 (2001-01-01), Bertocchi et al.
patent: 6605554 (2003-08-01), Bitossi et al.
patent: 1 000 588 (2000-05-01), None
patent: 2.102.426 (1972-04-01), None
patent: WO 99/07651 (1999-02-01), None

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