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. 17, 2025
Filed:
Dec. 13, 2021
Applicant:
Sharp Kabushiki Kaisha, Osaka, JP;
Inventors:
Yasuhiro Shibai, Osaka, JP;
Hidetsugu Kawai, Osaka, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 51/00 (2006.01);
U.S. Cl.
CPC ...
C08L 51/003 (2013.01);
Abstract
The film according to an embodiment of the present inventionincludes a synthetic polymer membraneincluding a surface having a plurality of protrusions, and photocatalyst particlessupported on the surface of the synthetic polymer membrane. As the synthetic polymer membraneis seen from a normal line direction, the two-dimensional size of the plurality of protrusionsis more than 20 nm to less than 500 nm. The mean particle diameter of the photocatalyst particlesis preferably 20 nm or more to 1000 nm or less.