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:
Jan. 31, 2012
Filed:
Jul. 11, 2006
Yukihiro Ougitani, Mie, JP;
Yoshinori Akamatsu, Mie, JP;
Yukihiro Ougitani, Mie, JP;
Yoshinori Akamatsu, Mie, JP;
Central Glass Company, Limited, Ube-shi, JP;
Abstract
The present invention relates to an antifogging film formed on a transparent substrate. The antifogging film is characterized in that the film comprises a urethane resin having a water absorption percentage of 20-40 wt %, that the urethane resin is one derived from an acrylic polyol having an average molecular weight of 1000-4000 and a polyoxyalkylene-series polyol having an average molecular weight of 400-5000, that the film is used in an interior environment having a mechanism to forcibly remove water from the film after the water absorption saturation of the film, and that a water film is not formed upon showing antifogging property.