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:
Sep. 11, 2001
Filed:
Apr. 07, 1998
Applicant:
Inventors:
Susumu Itoh, Tokyo, JP;
Shoichi Shimura, Yokohama, JP;
Hideyuki Hatakeyama, Kawasaki, JP;
Hideo Ukuda, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/04 ; G02B 1/00 ; G02B 1/11 ;
U.S. Cl.
CPC ...
B32B 7/04 ; G02B 1/00 ; G02B 1/11 ;
Abstract
Disclosed herein is an anti-fogging coating formed on the surface of an optical substrate, wherein the anti-fogging coating comprises a water-absorbing film and a porous film in the order near to the surface of the substrate.