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:
Nov. 02, 1999
Filed:
Oct. 18, 1996
Applicant:
Inventors:
Keiji Ikemori, Yokohama, JP;
Shoichi Shimura, Yokohama, JP;
Tohru Yamamoto, Shiga-ken, JP;
Shigeo Yoshida, Shiga-ken, JP;
Hatsumi Ikari, Shiga-ken, JP;
Assignees:
Canon Kabushiki Kaisha, Tokyo, JP;
Nakato Laboratory, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428212 ; 428333 ; 4284111 ; 428446 ; 428447 ; 428688 ; 428913 ; 428 641 ; 359581 ; 359582 ; 523169 ;
Abstract
An antireflection film is provided which is insoluble, wear-resistant, and weatherable, and simultaneously having non-fogging property. A non-fogging optical member employing the non-fogging antireflection film, and a process for producing the film are also provided. The non-fogging antireflection film is formed from a composition derived by polycondensation of a hydrolyzate of an inorganic alkoxide conducted in the presence of a polyacrylic acid compound.