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:
Mar. 28, 2017
Filed:
Aug. 22, 2011
Masatoshi Yamaguchi, Ibaraki, JP;
Tatsuya Makino, Ibaraki, JP;
Masami Ochiai, Ibaraki, JP;
HITACHI CHEMICALS COMPANY, LTD., Tokyo, JP;
Abstract
The present invention relates to: a resin composition for forming an optical waveguide, containing (A) a polymer having a hydroxyl group and/or a carboxyl group, (B) a (meth)acrylate having a urethane bond, (C) a polyfunctional blocked isocyanate compound, and (D) a radical polymerization initiator; a resin film for forming an optical waveguide, containing the resin composition for forming an optical waveguide; and an optical waveguide containing a lower cladding layer, a core part and an upper cladding layer, at least one of which contains the resin composition for forming an optical waveguide or the resin film for forming an optical waveguide. The present invention provides a resin composition for forming an optical waveguide that can form a high precision thick film excellent in transparency, heat resistance and toughness and is useful for a resin film for forming an optical waveguide having high productivity; a resin film for an optical material containing the resin composition for forming an optical waveguide; and a resin composition for forming an optical waveguide, a resin film for forming an optical waveguide, and an optical waveguide excellent in transparency, heat resistance, environmental reliability and toughness, using the same.