US 2020/0345589 A1Published application

Low-Melting Glass Ceramic

AssigneeVita Zahnfabrik H. Rauter GmbH & Co. KG

InventorsBerit Gödiker, Michael Hackner

Life of this patent

Estimating the term…

Abstract

The present invention relates to a glass ceramic for veneering a dental frame structure, wherein said glass ceramic is characterized by a high content of B2O3, to a process for the preparation thereof, and to the use thereof in the production of dental restorations.

Claims19

Dependent claims

A glass ceramic for veneering a dental framework structure, characterized in that said glass ceramic contains

from 60 to 75% by weight of SiO2,
from 6 to 12% by weight of B2O3, and
from 6 to 12% by weight of K2O,
respectively based on the total weight of the glass ceramic.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 16/858,865Filed 27 Apr 2020
Priority: EP 19172510.03 May 2019
Published: 5 Nov 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification19 codes

A61K 6/802
Preparations for artificial teeth, for filling teeth or for capping teeth: comprising ceramics
C03C 3/091
Containing boron: containing aluminium
A61K 6/833
Comprising non-metallic elements or compounds thereof, e.g. carbon: glass-ceramic composites
C03B 32/02
Thermal after-treatment of glass products not provided for in groups C03B19/00 , C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation,…:…

Family

US 11,547,638 B2Related patent
US 2020/0345589 A1This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

patentgrep

Loading patent…

patentgrepSearch patents

Back to results