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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.:

US 11827727 B1

PDFFull Text
Date of Patent:
Nov. 28, 2023

Filed:

Nov. 15, 2022

Photo-alignment polymer, binder composition, binder layer, optical laminate, optical laminate manufacturing method, and image display device

Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Soichiro Watanabe, Kanagawa, JP;

Yutaka Nozoe, Kanagawa, JP;

Takashi Iizumi, Kanagawa, JP;

Akio Tamura, Kanagawa, JP;

Tomoaki Yokota, Kanagawa, JP;

Keisuke Yoshimasa, Kanagawa, JP;

Ayako Matsumoto, Kanagawa, JP;

Assignee:

FUJIFILM Corporation, Tokyo, JP;

Attorneys:

Edwards Neils LLC

Jean C. Edwards, Esq

Primary Examiner:

Eli D Strah

Int. Cl.
CPC ...
C08F 220/58 (2006.01); C08L 33/24 (2006.01); C09K 19/54 (2006.01); G02B 5/30 (2006.01); B32B 27/30 (2006.01); C09K 19/56 (2006.01);
U.S. Cl.
CPC ...
C08F 220/585 (2020.02); C08L 33/24 (2013.01); C09K 19/542 (2013.01); G02B 5/3016 (2013.01); B32B 27/30 (2013.01); B32B 2457/20 (2013.01); B32B 2457/202 (2013.01); B32B 2457/206 (2013.01); C09K 19/56 (2013.01); C09K 2019/548 (2013.01); C09K 2323/02 (2020.08); C09K 2323/025 (2020.08); C09K 2323/03 (2020.08); C09K 2323/035 (2020.08);
Abstract

A photo-alignment polymer has a repeating unit represented by Formula (1), in Formula (1), Rrepresents a hydrogen atom or a substituent, X represents —O—, —S—, or —NR—, in which Rrepresents a hydrogen atom or a substituent, Lrepresents a single bond or a divalent linking group, P represents a photo-aligned group, and A represents an acid-cleavage group which is decomposed by an action of acid to produce a polar group

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Watanabe, Soichiro. (2023). Photo-alignment polymer, binder composition, binder layer, optical laminate, optical laminate manufacturing method, and image display device (U.S. Patent No. 11827727). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11827727

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