- Patent Title: Antibacterial-coated product, antibacterial coating material, method for manufacturing antibacterial coating material, and method for manufacturing antibacterial-coated product
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Application No.: US15733823Application Date: 2020-06-11
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Publication No.: US12054641B2Publication Date: 2024-08-06
- Inventor: Kaname Kuboi , Nobushige Numa , Kaoru Shibata
- Applicant: KUBOI COATING WORKS CO., LTD.
- Applicant Address: JP Sayama
- Assignee: KUBOI COATING WORKS CO., LTD.
- Current Assignee: KUBOI COATING WORKS CO., LTD.
- Current Assignee Address: JP Sayama
- Agency: Law Office of Katsuhiro Arai
- Priority: JP 19115667 2019.06.21
- International Application: PCT/JP2020/022984 2020.06.11
- International Announcement: WO2020/255848A 2020.12.24
- Date entered country: 2020-11-30
- Main IPC: C09D5/14
- IPC: C09D5/14 ; B05D5/00 ; B05D7/24 ; C09D5/03 ; C09D7/62 ; C09D201/00

Abstract:
An antibacterial coated product includes, on a base material, a coating film of an antibacterial coating material that contains at least composite ceramic powders containing a photocatalytic component, adsorbent component, and metal component, and a binder, wherein the antibacterial activity (JIS Z 2801: 2010) of the coating film is 2.0 or higher and the requirement(s) of (1) and/or (2) below is/are satisfied: (1) with respect to the composite ceramic powder in the antibacterial coating material, the volume average dispersed particle diameter (D50) is 250 nm or smaller, and the ratio of the 90% cumulative volume particle diameter (D90) and the volume average dispersed particle diameter (D50), or D90/D50, is 1.5 or lower; and (2) the thickness of the coating film is 80 μm or smaller and the haze (JIS K 7136: 2000) of the antibacterial coated product or coating film is 25 or lower.
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