Global Patent Index - EP 1558535 A1

EP 1558535 A1 20050803 - CRYSTALLISABLE GLASS AND THE USE THEREOF FOR PRODUCING EXTREMELY SOLID AND BREAK-RESISTANT GLASS-CERAMICS HAVING AN EASILY POLISHED SURFACE

Title (en)

CRYSTALLISABLE GLASS AND THE USE THEREOF FOR PRODUCING EXTREMELY SOLID AND BREAK-RESISTANT GLASS-CERAMICS HAVING AN EASILY POLISHED SURFACE

Title (de)

KRISTALLISIERBARES GLAS UND SEINE VERWENDUNG ZUR HERSTELLUNG EINER HOCHSTEIFEN, BRUCHFESTEN GLASKERAMIK MIT GUT POLIERBARER OBERFL CHE

Title (fr)

VERRE CRISTALLISABLE ET SON UTILISATION POUR PRODUIRE UNE VITROCERAMIQUE TRES RIGIDE, RESISTANTE A LA RUPTURE ET AYANT UNE SURFACE FACILE A POLIR

Publication

EP 1558535 A1 20050803 (DE)

Application

EP 03757685 A 20030926

Priority

  • DE 0303227 W 20030926
  • DE 10245234 A 20020927

Abstract (en)

[origin: WO2004031089A1] The invention relates to crystallisable aluminosilicate magnesium-containing glass which is used for producing extremely solid and break-resistant glass-ceramics having an easily polished surface. The inventive crystallisable glass contains 5-33 mass % of SiO2, 25-40 mass % of Al2O3, 5-25 mass % of MgO, 0-15 mass % of B2O3, 0.1-30 mass % of Y2O3, Ln2O3, As2O3 and /or Nb2O5 and 0.1-10 mass % of P2O5.

IPC 1-7

C03C 10/04; C03C 10/08; C03C 3/062; C03C 3/068

IPC 8 full level

C03C 3/062 (2006.01); C03C 3/068 (2006.01); C03C 10/00 (2006.01); C03C 10/04 (2006.01); C03C 10/08 (2006.01)

CPC (source: EP KR US)

C03C 3/062 (2013.01 - EP US); C03C 3/068 (2013.01 - EP KR US); C03C 10/00 (2013.01 - KR); C03C 10/0045 (2013.01 - EP US); C03C 10/0054 (2013.01 - EP US)

Citation (search report)

See references of WO 2004031089A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2004031089 A1 20040415; AU 2003273744 A1 20040423; CN 100349817 C 20071121; CN 1684918 A 20051019; DE 10245234 A1 20040408; DE 10245234 B4 20111110; EP 1558535 A1 20050803; JP 2006500312 A 20060105; JP 4451780 B2 20100414; KR 20050053693 A 20050608; US 2006166804 A1 20060727; US 7291571 B2 20071106

DOCDB simple family (application)

DE 0303227 W 20030926; AU 2003273744 A 20030926; CN 03822925 A 20030926; DE 10245234 A 20020927; EP 03757685 A 20030926; JP 2004540517 A 20030926; KR 20057005158 A 20050325; US 52871805 A 20050902