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:
Dec. 01, 2020
Filed:
Jul. 24, 2017
Showa Denko K. K., Tokyo, JP;
Masahiko Toba, Tokyo, JP;
Jun Dou, Tokyo, JP;
Chika Yamashita, Tokyo, JP;
Yoshitaka Ishibashi, Tokyo, JP;
Hiroshi Uchida, Tokyo, JP;
SHOWA DENKO K. K., Tokyo, JP;
Abstract
An epoxy (meth)acrylate compound represented by general formula (1): where at least one of Rto Rhas a structure represented by formula (2): * denotes the bonding position to a carbon atom that constitutes the benzene ring to which Rto Rare bonded in formula (1), Rdenotes a hydrogen atom or a methyl group, the remainder of Rto Rare each independently selected from the group consisting of hydrogen atoms, alkyl groups and alkoxy groups having 1-6 carbon atoms, and Rdenotes a hydrogen atom or a methyl group. In the epoxy (meth)acrylate compound, the content of halogen atoms is 100 ppm by mass or less. A curable composition for forming a protective film for an electrically conductive pattern obtained by mixing the epoxy (meth)acrylate compound with a photopolymerization initiator and at least one type of monomer or oligomer that contains a (meth)acryloyl group.