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. 16, 2013
Filed:
Jan. 05, 2012
Satoshi Okada, Koriyama, JP;
Makoto Hasegawa, Tokyo, JP;
Hiroshi Kumai, Koriyama, JP;
Hiromichi Nagayama, Koriyama, JP;
Satoshi Okada, Koriyama, JP;
Makoto Hasegawa, Tokyo, JP;
Hiroshi Kumai, Koriyama, JP;
Hiromichi Nagayama, Koriyama, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
The present invention provides an optical anisotropic material having a good light stability, and provides a di(meth)acrylate compound represented by the following formula (1) and a polymerizable liquid crystalline composition that are suitable for the production of the optical anisotropic material. Further, the present invention provides an optical element having a good light stability and an optical information writing/reading device using the same.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile