US 10,376,343 B2
Lithium silicate glass ceramic and glass with rubidium oxide content
Volker Rheinberger, Vaduz (LI); Markus Rampf, Lachen (CH); Marc Dittmer, Feldkirch (AT); Christian Ritzberger, Grabs (CH); Wolfram Höland, Schaan (LI); and Marcel Schweiger, Chur (CH)
Assigned to Ivoclar Vivadent AG, Schaan (LI)
Appl. No. 14/784,149
Filed by Ivoclar Vivadent AG, Schaan (LI)
PCT Filed Apr. 8, 2014, PCT No. PCT/EP2014/057040
§ 371(c)(1), (2) Date Oct. 13, 2015,
PCT Pub. No. WO2014/170168, PCT Pub. Date Oct. 23, 2014.
Claims priority of application No. 13163828 (EP), filed on Apr. 15, 2013.
Prior Publication US 2016/0051349 A1, Feb. 25, 2016
Int. Cl. A61L 27/10 (2006.01); C03C 10/00 (2006.01); A61K 6/00 (2006.01); A61K 6/02 (2006.01); A61K 6/027 (2006.01); A61L 27/30 (2006.01); C03C 8/08 (2006.01); C03C 4/00 (2006.01); A61C 13/083 (2006.01); C03C 3/097 (2006.01); C03C 3/112 (2006.01)
CPC A61C 13/0835 (2013.01) [A61K 6/0094 (2013.01); A61K 6/024 (2013.01); A61K 6/025 (2013.01); A61K 6/0205 (2013.01); A61K 6/026 (2013.01); A61K 6/0235 (2013.01); A61K 6/0273 (2013.01); A61L 27/10 (2013.01); A61L 27/306 (2013.01); C03C 3/097 (2013.01); C03C 3/112 (2013.01); C03C 4/0021 (2013.01); C03C 8/08 (2013.01); C03C 10/00 (2013.01); C03C 10/0009 (2013.01); A61L 2430/12 (2013.01); C03C 2205/06 (2013.01)] 46 Claims
 
1. Composite material which comprises a lithium silicate glass ceramic or a lithium silicate glass, which comprise the following components
   
  Component wt.-%
   
  SiO2 56.0 to 73.0
  Li2O 13.0 to 19.0
  Rb2O 3.0 to 9.0
  A12O3 2.0 to 5.0
  P2O5 2.0 to 6.0
  ZrO2   0 to 4.5
   
on a substrate selected from oxide ceramics, metals and alloys.