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:
Feb. 12, 1991
Filed:
May. 01, 1989
Applicant:
Inventor:
Joseph M van der Zel, Zwaag, NL;
Assignee:
Elephant Edelmetaal B.V., Hoorn, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23D / ; C22C / ; C22C / ;
U.S. Cl.
CPC ...
427-2 ; 420580 ; 420463 ;
Abstract
This invention relates to novel alloys suitable for use in making dental restoration elements, such as crowns, inlays, and the like, and ornamental articles such as jewelry, ornaments and the like. The alloys are based on Pd, In and Ag and contain 25-50% by weight of Pd, 20-45% by weight of In and 20-50% by weight of Ag. The alloys may additionally contain minor proportions of certain other elements, they are castable, and have an esthetic yellow color.