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:
May. 18, 2021
Filed:
Mar. 05, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Tomonari Nakayama, Yokohama, JP;
Kenji Makino, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/111 (2015.01); C09D 1/00 (2006.01); C09D 5/00 (2006.01);
U.S. Cl.
CPC ...
G02B 1/111 (2013.01); C09D 1/00 (2013.01); C09D 5/006 (2013.01); G02B 2207/107 (2013.01);
Abstract
There is provided an optical member including a porous layer on a substrate, wherein the porous layer contains silicon oxide particles, a silicon oxide binder, and a fluorine compound having a fluorocarbon group and a nonionic hydrophilic group, and the amount of the fluorine compound is 0.1% by mass or more and 2.5% by mass or less with respect to the silicon oxide.