Patent · US Active

Pre-sintered blank for dental purposes

US9757217B2 · kind B2 · utility

3Cited by

71References

25Claims

0Family size

Assignee

Ivoclar Vivadent AG · LI

Inventors

Harald Bürke · Frastanz, AT
Christian Ritzberger · Grabs, CH
Marcel Schweiger · Chur, CH
Volker Rheinberger · Vaduz, LI
Diana Tauch · Drammen, NO

Key dates

Filing date	May 10, 2013
Grant date	Sep 12, 2017
Priority date	—
Expiry date	May 10, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24942
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Pre-sintered blanks based on lithium metasilicate glass ceramic are described which are suitable in particular for the preparation of dental restorations.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.