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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 11914248 B1

PDFFull Text
Date of Patent:
Feb. 27, 2024

Filed:

Nov. 08, 2020

Photo-alignment copolymer, photo-alignment film, and optical laminate

Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Yutaka Nozoe, Kanagawa, JP;

Takashi Iizumi, Kanagawa, JP;

Kazushige Nakagawa, Kanagawa, JP;

Takahiro Kato, Kanagawa, JP;

Miho Asahi, Kanagawa, JP;

Hirofumi Omura, Kanagawa, JP;

Yuki Hirai, Kanagawa, JP;

Assignee:

FUJIFILM Corporation, Tokyo, JP;

Attorney:

JCIPRNET

Primary Examiner:

Sophie Hon

Int. Cl.
CPC ...
G02F 1/1337 (2006.01); C08F 220/60 (2006.01); C08F 220/32 (2006.01); C08F 220/36 (2006.01); G02F 1/01 (2006.01); C08F 220/30 (2006.01); C08F 220/58 (2006.01); C08F 220/28 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133711 (2013.01); C08F 220/30 (2013.01); C08F 220/32 (2013.01); C08F 220/325 (2020.02); C08F 220/36 (2013.01); C08F 220/365 (2020.02); C08F 220/58 (2013.01); C08F 220/603 (2020.02); G02F 1/0136 (2013.01); G02F 1/13378 (2013.01); C08F 220/281 (2020.02); C09K 2323/02 (2020.08); G02F 2202/022 (2013.01);
Abstract

An object of the invention is to provide a photo-alignment copolymer which makes it possible to produce a photo-alignment film having excellent solvent resistance and liquid crystal aligning properties, and a photo-alignment film and an optical laminate produced using the photo-alignment copolymer. A photo-alignment copolymer of the invention is a photo-alignment copolymer having a repeating unit A including a photo-alignment group represented by Formula (A) and a repeating unit B including a crosslinkable group represented by Formula (B).

Find Patent Forward Citations

Nozoe, Yutaka. (2024). Photo-alignment copolymer, photo-alignment film, and optical laminate (U.S. Patent No. 11914248). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11914248

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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