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:
Apr. 29, 2025
Filed:
Jan. 25, 2021
Kobe Steel, Ltd., Kobe, JP;
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Ryosuke Tsunoda, Tochigi, JP;
Keita Tateyama, Tochigi, JP;
Reiji Morioka, Tokyo, JP;
Etsuko Hirose, Tokyo, JP;
Yoshinori Yamamoto, Tokyo, JP;
Kobe Steel, Ltd., Kobe, JP;
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Abstract
An aluminum fin material includes an aluminum plate, an erosion-resistant coating layer on a surface of the aluminum plate, and a hydrophilic coating layer formed on a surface of the erosion-resistant coating layer. The erosion-resistant coating layer contains an acrylic resin and fluororesin particles, an amount of the erosion-resistant coating layer is 0.05 mg/dmor more and 8.00 mg/dmor less, and a content of the fluororesin particles in the erosion-resistant coating layer is 0.05 mass % or more and 8.00 mass % or less.