Patent · US Active

Composite material and method for the preparation thereof

US7807227B2 · kind B2 · utility

4Cited by

7References

12Claims

0Family size

Assignee

Vita Zahnfabrik H. Rauter GmbH & Co. KG · DE

Inventors

Stefan Aechtner · Annaberg-Buchholz, DE
Helga Hornberger · Koblenzer Straße, DE
Emil Nagel · Annaberg-Buchholz, DE
Norbert Thiel · Annaberg-Buchholz, DE

Key dates

Filing date	Oct 2, 2007
Grant date	Oct 5, 2010
Priority date	—
Expiry date	Jan 6, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/252
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A composite material with a porous inorganic-nonmetallic matrix and a second material, and a process for its production, are characterized in that the porous inorganic-nonmetallic matrix has a bending strength ≧40 MPa as measured according to ISO 6 872; the second material is an organic material which at least partly fills the pores of the porous matrix; and the composite material has a modulus of elasticity, E, ≧25 GPa as measured according to ISO 10 477.

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