Patent · US Expired

Dental prostheses alloy

US4592890A · kind A · utility

5Cited by
18References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 8, 1983
Grant dateJun 3, 1986
Priority date
Expiry dateAug 8, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22C19/058
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Disclosed is an alloy that is a combination by weight percent of 78 to 84 percent nickel, 11 to 15 percent chromium, 3 to 5 percent vanadium, and 1 to 2 percent beryllium. Any balance of other elements make up less than 7 percent with aluminum, manganese, silicon, tin, lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, molybdenum, niobium, tantalum, tungsten, titanium, iron, boron, and carbon specifically disclosed. The alloy is, in particular, a dental casting alloy or dental veneering alloy, and dental prostheses containing the alloy is a feature of the disclosure.

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