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:
Jul. 08, 2003
Filed:
Jun. 25, 2001
Applicant:
Inventors:
Takekatsu Sugiyama, Shizuoka-ken, JP;
Mitsuyoshi Ichihashi, Shizuoka-ken, JP;
Keiichiro Hayashi, Shizuoka-ken, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/952 ; C09K 1/934 ; C09K 1/932 ; C09K 1/938 ; G02F 1/13 ;
U.S. Cl.
CPC ...
C09K 1/952 ; C09K 1/934 ; C09K 1/932 ; C09K 1/938 ; G02F 1/13 ;
Abstract
A light-reaction type optically active compound and light-reaction type chiral agent of the following general formula (I) or (II). In the general formulae, R and R represent a hydrogen atom, an alkoxy group having 1 to 15 carbon atoms, an acryloyloxyalkyloxy group having 3 to 15 carbon atoms in total or a methacryloyloxyalkyloxy group having 4 to 15 carbon atoms in total.
Sugiyama, Takekatsu. (2003). Light-reaction type optically active compound, light-reaction type chiral agent, liquid crystal composition, liquid crystal color filter, optical film, recording medium, and method of changing twist structure of liquid crystal (U.S. Patent No. 6589445). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6589445
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