Patent · US Expired

Palladium dental alloy

US4569825A · kind A · utility

4Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 15, 1984
Grant dateFeb 11, 1986
Priority date
Expiry dateAug 15, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22C5/04
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A palladium alloy suitable for use with both high and low thermal expansion dental porcelains without causing discoloration of the porcelains. The alloy consists essentially of 70-90% palladium, 1-8% silver, 0-5% gold, 5-16% copper, 1-8% gallium, 0.01-0.8% silicon and 0.001-0.5% grain refiners.

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