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:
Jul. 06, 2010
Filed:
Oct. 07, 2005
Tomoaki Shibata, Ibaraki, JP;
Tatsuya Makino, Ibaraki, JP;
Masami Ochiai, Ibaraki, JP;
Atsushi Takahashi, Ibaraki, JP;
Toshihiko Takasaki, Ibaraki, JP;
Tomoaki Shibata, Ibaraki, JP;
Tatsuya Makino, Ibaraki, JP;
Masami Ochiai, Ibaraki, JP;
Atsushi Takahashi, Ibaraki, JP;
Toshihiko Takasaki, Ibaraki, JP;
Hitachi Chemical Company, Ltd., Tokyo, JP;
Abstract
Disclosed is a resin composition for an optical material which contains a base polymer (A), a photopolymerizable compound (B), and a photopolymerization initiator (C). Also disclosed is a resin film for an optical material which is made of such a resin composition for an optical material. Specifically disclosed is a resin composition for an optical material which has high transparency and high heat resistance, while enabling formation of a thick film with high precision. This resin composition is particularly useful for a resin film which is used for forming optical waveguides. Also specifically disclosed are a resin film for an optical material using such a resin composition and an optical waveguide using such a resin film.