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:
Mar. 07, 2023
Filed:
Feb. 14, 2017
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Yasuhiro Yoshida, Chiyoda-ku, JP;
Yoshinori Yamamoto, Chiyoda-ku, JP;
Tasuku Izutani, Chiyoda-ku, JP;
Natsumi Kubota, Chiyoda-ku, JP;
Shigeru Utsumi, Chiyoda-ku, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
Provided is a water repellent coating film, including: an undercoat layer formed on a surface of a base material and containing: at least one type of spherical particles having an average particle diameter of 2 μm or more and 50 μm or less and selected from the group consisting of spherical molten silica particles, spherical molten alumina particles, and spherical silicone resin particles; and an underlying resin; and a topcoat layer formed on the undercoat layer and containing: inorganic fine particles having an average particle diameter of 2 nm or more and 20 nm or less; and a water repellent resin. The underlying resin is preferably a polyurethane resin or a fluororesin. The water repellent resin is preferably a fluororesin or a silicone resin.