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:
Jun. 27, 2017
Filed:
Feb. 25, 2013
Kimoto Co., Ltd., Saitama, JP;
Yutaka Shibata, Saitama, JP;
Hikaru Nishinaga, Saitama, JP;
KIMOTO CO., LTD., Saitama, JP;
Abstract
Provided is a surface protective sheet whereby antifouling properties are enhanced and excellent wiping properties and sliding properties are ensured, the present invention is a surface protective sheet () having a protective film () on a surface of a substrate (). The protective film () is configured from a cured product of a curable composition, the curable composition includes a coating material and a curable resin. The coating material is configured from a reaction product of at least compounds A, B, C and D. Compound A is an acrylic polymer having a hydroxyl group in a side chain thereof, compound B is a diisocyanate, compound C is a polyether polyol, and compound D is a photopolymerizable compound having both a hydroxyl group and a photopolymerizable group. The content of the coating material and the curable resin in the curable composition is preferably 2 parts by mass or more and 40 parts by mass or less of the coating material and 60 parts by mass or more and 98 parts by mass or less of the curable resin when the total amount of the coating material and the curable resin is 100 parts by mass.