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. 08, 2013
Filed:
Dec. 10, 2009
Katsumi Murofushi, Minato-ku, JP;
Nobuaki Ishii, Minato-ku, JP;
Shigeru Yamaki, Minato-ku, JP;
Hideo Miyata, Minato-ku, JP;
Yotaro Hattori, Minato-ku, JP;
Katsumi Murofushi, Minato-ku, JP;
Nobuaki Ishii, Minato-ku, JP;
Shigeru Yamaki, Minato-ku, JP;
Hideo Miyata, Minato-ku, JP;
Yotaro Hattori, Minato-ku, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
The present invention is directed to a hardening composition comprising silica fine particles (a), a (meth)acrylate (b) having two or more ethylenically unsaturated groups and being free from cyclic structure, a (meth)acrylate (c) having an ethylenically unsaturated group and having an alicyclic structure, a polymerization initiator (d) and black inorganic fine particles (e), wherein the silica fine particles (a) are surface-treated with a silane compound (f) represented by the following general formula (1) and a silane compound (g) represented by the following general formula (2):