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. 23, 2018
Filed:
Jul. 17, 2015
Tokuyama Corporation, Shunan-shi, Yamaguchi, JP;
Yasutomo Shimizu, Shunan, JP;
Katsuhiro Mori, Shunan, JP;
Tokuyama Corporation, Shunan-shi, Yamaguchi, JP;
Abstract
A curable composition having excellent storage stability and capable of forming a cured product having excellent scratch resistance. The composition comprises a silsesquioxane monomer having a radically polymerizable group in the molecule and a content of a component having a molecular weight measured by gel permeation chromatography (GPC) of not less than 10,000 of less than 9 mass % and a bifunctional polymerizable monomer represented by the following formula (1). (wherein B and B' are each an linear or branched alkylene group having 2 to 15 carbon atoms, 'c' is an average value of 1 to 20, when a plurality of B's are existent, B's may be the same or different, and Rand Rare each a hydrogen atom or methyl group).