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:
May. 12, 2020
Filed:
Oct. 22, 2015
Zeon Corporation, Tokyo, JP;
Kei Sakamoto, Tokyo, JP;
Kumi Okuyama, Tokyo, JP;
ZEON CORPORATION, Tokyo, JP;
Abstract
The invention provides a polymerizable compound of formula (I), polymerizable composition, polymer, and optically anisotropic article capable of obtaining an optical film having a low melting point, excellent solubility, being manufactured at low cost, and of uniform polarized light conversion across a broad wavelength region. In formula (I): Yto Yare independently a chemical single bond, —O—, —O—C(═O)—, —C(═O)—O—; Gand Gare independently a divalent C1-C20 aliphatic group; Zand Zare independently a C2-C10 alkenyl group substituted with a halogen atom; Ais a C2-C30 organic group that includes at least one aromatic ring of an aromatic hydrocarbon ring or an aromatic hetero ring; Ais H, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C3-C12 cycloalkyl group; Ais a trivalent aromatic group; Aand Aare independently a divalent C6-C30 aromatic group; and Qis H, or a C1-C6 alkyl group.