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:
Sep. 17, 2013
Filed:
Jan. 23, 2009
Masami Ochiai, Ibaraki, JP;
Tatsuya Makino, Ibaraki, JP;
Toshihiko Takasaki, Ibaraki, JP;
Atsushi Takahashi, Ibaraki, JP;
Masami Ochiai, Ibaraki, JP;
Tatsuya Makino, Ibaraki, JP;
Toshihiko Takasaki, Ibaraki, JP;
Atsushi Takahashi, Ibaraki, JP;
Hitachi Chemical Company, Ltd., Tokyo, JP;
Abstract
The present invention provides a resin composition and film for forming a cladding layer of an optical waveguide, which composition contains (A) a (meth)acrylic polymer having a weight average molecular weight more than 100,000, (B) a urethane (meth)acrylate, and (D) a radical polymerization initiator; and an optical waveguide and an optical module produced by use of the composition or film. There can be provided a resin composition for forming a cladding layer and a resin film for forming a cladding layer, which exhibit excellent bending durability and twisting durability, and an optical waveguide and an optical module each produced therefrom.