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:
Jul. 03, 2018
Filed:
Sep. 13, 2016
Toto Ltd., Kitakyushu-shi, Fukuoka, JP;
Takahiro Hino, Fukuoka-ken, JP;
Tomoyasu Ichiki, Fukuoka-ken, JP;
Shinichi Yagi, Fukuoka-ken, JP;
Satoshi Takano, Fukuoka-ken, JP;
Mitoki Higashi, Fukuoka-ken, JP;
Toto Ltd., Fukuoka, JP;
Abstract
Disclosed is a sanitary ware having a photocatalyst layer which has excellent durability even in an environment where the photocatalyst layer is exposed to an acid and an alkali alternately. The sanitary ware comprises a glaze layer, an intermediate layer provided on the glaze layer, and a photocatalyst layer provided on the intermediate layer, wherein the photocatalyst layer comprises titanium oxide in the amount of 95 mass % to 75 mass % and zirconium oxide in the amount of 5 mass % to 25 mass % and the intermediate layer comprises silica in the amount of 98 mass % to 85 mass %, and titanium oxide and/or zirconium oxide in the amount of 2 mass % to 15 mass %.