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. 24, 1991
Filed:
Apr. 20, 1990
Applicant:
Inventors:
Takao Kawaki, Tokyo, JP;
Ryozo Kawai, Tokyo, JP;
Katsushige Hayashi, Tokyo, JP;
Masaki Nagata, Tokyo, JP;
Assignee:
Mitsubishi Gas Chemical Co., Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
428332 ; 428412 ; 428522 ; 428913 ; 359490 ; 359350 ;
Abstract
An anti-dazzling polycarbonate polarizing plate is formed with a polarizing thin layer composed of a polymeric film having a dichroic substance adsorbed on and oriented in the polymeric film, and a polycarbonate sheet having a retardation value of at least 2000 nm bonded to one or both surfaces of the polarizing thin layer.