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:
Jul. 29, 2025
Filed:
Jan. 23, 2016
Nippon Paper Industries Co., Ltd., Tokyo, JP;
Morio Matsuzaki, Higashimatsuyama, JP;
Yasuaki Yoshida, Higashimatsuyama, JP;
Hirosuke Tsunoda, Higashimatsuyama, JP;
Narihiro Iio, Higashimatsuyama, JP;
Nippon Paper Industries Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a hard coat film that is provided with a hard coat layer via an easy-bonding layer on at least one surface of a cycloolefin film, has excellent temporal adhesiveness under normal condition and under moisture and heat resistant condition, and has no crack occurrence under the heat resistant condition. A hard coat filmof the present invention is provided with a hard coat layervia an easy-bonding layeron at least one surface of a cycloolefin film. The easy-bonding layerincludes a mixture of a polyolefin based resin and a styrene-acryl based resin, and a blending ratio thereof is in the range of, for example, from 95/5 to 40/60. Further, the hard coat layerincludes an ionizing radiation curable resin having a weight-average molecular weight of 700 or larger and 3600 or smaller.