EP 0828694 A1 19980318 - HIGH-STRENGTH, TRANSLUCENT MICA GLASS-CERAMICS
Title (en)
HIGH-STRENGTH, TRANSLUCENT MICA GLASS-CERAMICS
Title (de)
HOCHFESTE TRANSLUZENTE GLIMMER-GLASKERAMIKEN
Title (fr)
VITROCERAMIQUES MICACIQUES TRANSLUCIDES A RESISTANCE ELEVEE
Publication
Application
Priority
- DE 9700504 W 19970313
- DE 19610300 A 19960315
Abstract (en)
[origin: DE19610300A1] The invention relates to a glass ceramic having mica and ZrO2 crystals dispersed therein and containing: 0 - 9 wt.% of K2O, and 0 - 9 wt.% of Na2O, provided that Na2O and K2O represent at least circa 4 wt.%; 35 - 60 wt.% of SiO2, 10 - 25 wt.% of MgO, 7 - 30 wt.% of Al2O3, 4 - 12 wt.% of ZrO2, 2 - 10 wt.% of F<->. Said glass ceramic is substantially free of lithium, calcium, strontium and barium. The invention also relates to a process for the preparation of said glass ceramic and the use thereof in the form of dentures.
IPC 1-7
IPC 8 full level
A61K 6/06 (2006.01); C03C 3/112 (2006.01); C03C 10/16 (2006.01)
CPC (source: EP US)
A61K 6/16 (2020.01 - EP US); A61K 6/78 (2020.01 - EP US); A61K 6/807 (2020.01 - EP US); A61K 6/818 (2020.01 - EP US); A61K 6/833 (2020.01 - EP US); C03C 10/16 (2013.01 - EP US)
Citation (search report)
See references of WO 9734847A1
Designated contracting state (EPC)
BE CH DE ES FR GB IT LI NL SE
DOCDB simple family (publication)
DE 19610300 A1 19970918; DE 19610300 C2 19980702; EP 0828694 A1 19980318; JP 2000500730 A 20000125; US 6080692 A 20000627; WO 9734847 A1 19970925
DOCDB simple family (application)
DE 19610300 A 19960315; DE 9700504 W 19970313; EP 97920506 A 19970313; JP 53303297 A 19970313; US 95246498 A 19980218