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Title: Gold color copper alloy for restorative dentistry

Abstract: A copper alloy having a gold color and being particularly suitable for restorative dentistry and consisting essentially of copper, zinc and a small amount of zirconium. Other additions may be included in the alloy.


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Inventors: Hayashi, Osamu

Application Number: 704553
Filing Date: 1976-07-12
Publication_date: 1978-06-13
Assignee:
Primary Class(es): 420/477 420/521, 420/587, 433/226
Other Classes:
US Patent Ref:
1907219May, 1933Sieg75/157.
2035423Mar, 1936Bunn75/157.
2235634Mar, 1941Hensel et al.75/157.
2296706Sep, 1942Corson75/157.
3977869Aug, 1976Steine et al.75/157.

Other Refs: 378,133
Jul, 1964CH

Primary Examiner: Lovell, C.
Assistant Examiner:
Attorney: Steinberg & Blake