Global Patent Index - EP 4298071 A1

EP 4298071 A1 20240103 - GLASS CERAMIC COMPRISING A QUARTZ-MIXED CRYSTAL PHASE

Title (en)

GLASS CERAMIC COMPRISING A QUARTZ-MIXED CRYSTAL PHASE

Title (de)

GLASKERAMIK MIT QUARZ-MISCHKRISTALLPHASE

Title (fr)

VITROCÉRAMIQUE COMPRENANT UNE PHASE CRISTALLINE MIXTE DE QUARTZ

Publication

EP 4298071 A1 20240103 (DE)

Application

EP 22706599 A 20220217

Priority

  • EP 21159118 A 20210224
  • EP 2022054010 W 20220217

Abstract (en)

[origin: WO2022179936A1] The invention relates to quartz-mixed crystal glass ceramics and to precursors thereof, which are characterized by excellent mechanical and optical properties and which can be used, in particular, as restoration material in dentistry.

IPC 8 full level

C03C 3/097 (2006.01); C03C 4/00 (2006.01); C03C 8/08 (2006.01); C03C 10/00 (2006.01)

CPC (source: EP KR)

A61K 6/802 (2020.01 - KR); C03B 19/06 (2013.01 - KR); C03C 3/097 (2013.01 - EP KR); C03C 4/0021 (2013.01 - EP KR); C03C 8/08 (2013.01 - EP); C03C 10/0027 (2013.01 - EP KR)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4049982 A1 20220831; CN 116917245 A 20231020; EP 4298071 A1 20240103; JP 2024508246 A 20240226; KR 20230148339 A 20231024; WO 2022179936 A1 20220901

DOCDB simple family (application)

EP 21159118 A 20210224; CN 202280016330 A 20220217; EP 2022054010 W 20220217; EP 22706599 A 20220217; JP 2023548260 A 20220217; KR 20237031723 A 20220217