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:
May. 20, 2025
Filed:
Jun. 21, 2021
Showa Denko K.k., Tokyo, JP;
So Miyaishi, Tokyo, JP;
Masahiro Okubo, Tokyo, JP;
Masayuki Yoshimura, Tokyo, JP;
Wataru Sakane, Tokyo, JP;
Teppei Tanaka, Tokyo, JP;
Saeko Nakamura, Tokyo, JP;
Takuya Imai, Tokyo, JP;
Tetsuo Sakurai, Tokyo, JP;
Koyuki Mesuda, Tokyo, JP;
Resonac Corporation, Tokyo, JP;
Abstract
There is provided a corrosion-resistant member in which a corrosion-resistant coating film is less likely to peel off from a base material even when the corrosion-resistant member is subjected to a thermal history. The corrosion-resistant member includes: a base material () containing aluminum or an aluminum alloy; and a corrosion-resistant coating film () formed on the surface of the base material (), in which the corrosion-resistant coating film () contains aluminum fluoride hydroxide AlF(OH)in which a space group belongs to R-3c, and x in the chemical formula is 0.05 or more and 1.00 or less.