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:
Apr. 22, 2003
Filed:
Sep. 14, 2001
Applicant:
Inventors:
Keiichi Taguchi, Kanagawa, JP;
Naoyuki Nishikawa, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-Ashigara, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/14 ; G02B 5/30 ;
U.S. Cl.
CPC ...
F21V 9/14 ; G02B 5/30 ;
Abstract
A dichromatic polarizing element comprising a water-soluble organic dichromatic dye selected from the group consisting of a bisazo compound of a specific structure, the tautomer thereof, and the salts of them, wherein the dichromatic dye comprises the aggregates thereof oriented to a definite direction such that the dye can polarize a light passed therethrough, and a method of producing the polarizing element orienting the aggregates by a specific method are provided.
Taguchi, Keiichi. (2003). Dichromatic polarizing element and production method thereof (U.S. Patent No. 6551529). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6551529
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile