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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 10570287 B1

PDFFull Text
Date of Patent:
Feb. 25, 2020

Filed:

Oct. 02, 2014

Non-aqueous dispersant, color material dispersion liquid for color filter, color filter, liquid crystal display device and organic light-emitting display device

Applicant:

Dai Nippon Printing Co., Ltd., Tokyo-to, JP;

Inventors:

Michihiro Ogura, Tokyo-to, JP;

Tomoki Murata, Tokyo-to, JP;

Fumiyasu Murakami, Tokyo-to, JP;

Masato Okada, Tokyo-to, JP;

Hiroaki Segawa, Tokyo-to, JP;

Assignee:

DAI NIPPON PRINTING CO., LTD., Tokyo, JP;

Attorney:

Hamre, Schumann, Mueller & Larson, P.C.

Primary Examiner:

Irina S Zemel

Assistant Examiner:

Jeffrey S Lenihan

Int. Cl.
CPC ...
C08F 265/06 (2006.01); C08F 8/40 (2006.01); C09B 11/24 (2006.01); C09B 63/00 (2006.01); C09B 67/46 (2006.01); G02B 5/22 (2006.01); G02F 1/1335 (2006.01); H01L 51/00 (2006.01); C08F 290/02 (2006.01); C09B 11/12 (2006.01); G02B 5/20 (2006.01); C08F 297/02 (2006.01); C08L 53/00 (2006.01); C08K 5/00 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
C09B 67/009 (2013.01); C08F 8/40 (2013.01); C08F 265/06 (2013.01); C08F 290/02 (2013.01); C08F 297/02 (2013.01); C08L 53/00 (2013.01); C09B 11/12 (2013.01); C09B 11/24 (2013.01); C09B 63/005 (2013.01); G02B 5/201 (2013.01); G02B 5/223 (2013.01); G02F 1/133514 (2013.01); H01L 51/004 (2013.01); H01L 51/006 (2013.01); H01L 51/0007 (2013.01); H01L 51/0043 (2013.01); H01L 51/0073 (2013.01); C08K 5/0041 (2013.01); H01L 27/322 (2013.01); H01L 51/0058 (2013.01);
Abstract

Disclosed is a non-aqueous dispersant which is a graft copolymer comprising a constitutional unit represented by the following general formula (II) and at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I'), or which is a block copolymer comprising a block portion containing a constitutional unit represented by the following general formula (III) and a block portion containing at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I′):

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