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. 12, 2000
Filed:
Jul. 21, 1998
Mihoko Oda, Ushiku, JP;
Teigo Sakakibara, Yokohama, JP;
Shunichiro Nishida, Yokohama, JP;
Hideo Ukuda, Yokohama, JP;
Canon Kasei Kabushiki Kaisha, Ibaraki-ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Disclosed herein is an anti-fogging coating film comprising a hydrophilic polymer and a benzophenone compound represented by a general formula (I): ##STR1## wherein X.sub.1 to X.sub.10 are the same or different from one another and are individually a radical selected from the group consisting of hydrogen, hydroxyl group, sulfonic group, carboxyl group, acyl group, ester group, ether group, hydrocarbon groups, alkoxyl groups having 1 to 6 carbon atoms, amino group, hydroxyalkyl groups and hydroxyalkoxyl groups, with the proviso that at least one of X.sub.1 to X.sub.10 is a radical selected from among the hydroxyl and sulfonic groups. Anti-fogging articles comprising a base material such as glass, plastic, metal or mirror and the anti-fogging coating film provided thereon, and a composition for forming the anti-fogging coating film are also disclosed.