Patent · US Expired

Material for facing denture

US4863514A · kind A · utility

1Cited by

10References

20Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Werner Groll · Alzenau, DE
Josef Rothaut · Fort Lee, US

Key dates

Filing date	Feb 8, 1989
Grant date	Sep 5, 1989
Priority date	—
Expiry date	Feb 8, 2009

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/12486
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

There is provided a material for dentures having metallic matrix, containing 0.5-30 volume % glass having a softening temperature above 650.degree. C. and/or ceramic particles having a maximum grain size of 40 .mu.m.

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