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.

Date of Patent:
Mar. 17, 2020

Filed:

Aug. 29, 2014
Applicants:

Tanaka Kikinzoku Kogyo K.k., Chiyoda-Ku, Tokyo, JP;

Tokyo Institute of Technology, Meguro-ku, Tokyo, JP;

Inventors:

Hideki Hosada, Tokyo, JP;

Tomonari Inamura, Tokyo, JP;

Masaki Tahara, Tokyo, JP;

Tomohiko Morita, Tokyo, JP;

Akira Umise, Tokyo, JP;

Yusuke Doi, Tokyo, JP;

Kenji Goto, Hiratsuka, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 5/02 (2006.01); C22F 1/14 (2006.01); B22D 21/00 (2006.01); C22C 1/02 (2006.01);
U.S. Cl.
CPC ...
C22F 1/14 (2013.01); B22D 21/005 (2013.01); C22C 1/02 (2013.01); C22C 5/02 (2013.01); C21D 2201/01 (2013.01);
Abstract

The present invention provides a superelastic alloy formed by addition of Fe or Co to an Au—Cu—Al alloy, including: Cu of 12.5% by mass or more and 16.5% by mass or less; Al of 3.0% by mass or more and 5.5% by mass or less; Fe or Co of 0.01% by mass or more and 2.0% by mass or less; and a balance Au, and a difference between Al content and Cu content (Cu—Al) is 12% by mass or less. The superelastic alloy according to the present invention has superelastic property while being Ni-free, excellent X-ray imaging property, processability, and strength property, and is suitable for a medical field.


Find Patent Forward Citations

Loading…