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:
Jun. 14, 2011
Filed:
Dec. 14, 2005
Hideo Sano, Yokohama, JP;
Masami Kadowaki, Yokohama, JP;
Ryuichi Hasegawa, Yokohama, JP;
Wataru Shimizu, Yokohama, JP;
Hideo Sano, Yokohama, JP;
Masami Kadowaki, Yokohama, JP;
Ryuichi Hasegawa, Yokohama, JP;
Wataru Shimizu, Yokohama, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
To provide a dye capable of forming an anisotropic dye film showing high dichroism and having a high degree of molecular orientation, a composition containing the dye, an anisotropic dye film using the dye and a polarizing element. A trisazo dye, of which the free acid form is represented by the following formula (1), wherein at least one of Band Dhas at least one substituent as defined by the following Q1, a dye composition for an anisotropic dye film containing the dye, an anisotropic dye film and a polarizing element using the anisotropic dye film: wherein Ais a phenyl group or a naphthyl group, each of Band Dis a phenylene group or a naphthylene group, Xis an amino group which may be substituted or a hydroxyl group, and m is 0 or 1.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile