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. 14, 2020
Filed:
Feb. 19, 2015
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Mgc Filsheet Co., Ltd., Saitama, JP;
Akio Ohkubo, Tokyo, JP;
Hideaki Kimura, Tokyo, JP;
Masukazu Hirata, Tokyo, JP;
Masaki Yagoura, Tokyo, JP;
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
MGC FILSHEET CO., LTD., Saitama, JP;
Abstract
According to the present invention, a functional sheet, comprising a polarizing or photochromic functional layer and protective layers provided on both surfaces of the functional layer can be provided. The protective layers include an aromatic polycarbonate resin sheet or film. At least one of the protective layers is a co-extruded sheet or film including an aromatic polycarbonate resin layer and an acrylic-based resin layer provided on one surface or both surfaces of the aromatic polycarbonate resin layer. At least one surface of the functional sheet is of the acrylic-based resin layer. Also according to the present invention, a lens using such a functional sheet can be provided.