The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 1983
Filed:
Sep. 02, 1981
Applicant:
Inventors:
Armin Wagner, Mine Hill, NJ (US);
Nils Harmsen, Garden City, NY (US);
Assignee:
W. C. Heraeus GmbH, Hanau am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ; A61C / ;
U.S. Cl.
CPC ...
420503 ; 420587 ; 420502 ; 433207 ;
Abstract
Silver base casting alloys for dental use which have a yellow color. They are useful for the manufacture of crowns, bridges and other dental prosthesis and such dental prosthesis are within the scope of the invention. The dental alloys consist essentially of 40-60% silver, 15-20% indium, 8-15% copper, 0.1-2% nickel, 0.1-2% zinc, from 0-10% gold and/or from 0-30% palladium. The total of gold and palladium content is between 10 and 30%.