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:
Jun. 29, 2021
Filed:
Apr. 10, 2019
Fujifilm Business Innovation Corp., Tokyo, JP;
Sakae Takeuchi, Minamiashigara, JP;
Hiroyoshi Okuno, Minamiashigara, JP;
Hideaki Yoshikawa, Minamiashigara, JP;
Takeshi Iwanaga, Minamiashigara, JP;
Yuka Zenitani, Minamiashigara, JP;
FUJIFILM Business Innovation Corp., Tokyo, JP;
Abstract
A filter includes a filter medium having an average pore size of 1 to 5 mm, and photocatalyst particles deposited on the filter medium. The photocatalyst particle contains a titanium compound particle and a metal compound bonded to the surface of the titanium compound particle with an oxygen atom. The metal compound contains a metal atom and a hydrocarbon group. The titanium compound particle has absorption at wavelengths of 450 nm and 750 nm in the visible absorption spectrum of the titanium compound particle.