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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 12528945 B1

PDFFull Text
Date of Patent:
Jan. 20, 2026

Filed:

Feb. 16, 2022

Dye ink composition, cyan dye ink, dye ink for ink jet recording, ink jet recording method, and aqueous dye solution

Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Keiichi Tateishi, Kanagawa, JP;

Takashi Saitou, Kanagawa, JP;

Yuta Takasaki, Kanagawa, JP;

Yusuke Sakai, Kanagawa, JP;

Assignee:

FUJIFILM Corporation, Tokyo, JP;

Attorney:

JCIPRNET

Primary Examiner:

Amber R Orlando

Assistant Examiner:

Jeffrey Eugene Barzach

Int. Cl.
CPC ...
C09B 67/22 (2006.01); C09B 47/06 (2006.01); C09B 67/12 (2006.01); C09D 11/037 (2014.01);
U.S. Cl.
CPC ...
C09B 67/0035 (2013.01); C09B 47/065 (2013.01); C09B 67/0016 (2013.01); C09D 11/037 (2013.01);
Abstract

A dye ink composition includes: a compound A represented by the general formula (I-1) as defined herein; a compound B represented by the general formula (I-2) as defined herein; at least one of a compound C-I represented by the general formula (I-3-1) as defined herein or a compound C-II represented by the general formula (I-3-2) as defined herein; a compound D represented by the general formula (I-4) as defined herein; and water.

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Quick Actions:

Tateishi, Keiichi. (2026). Dye ink composition, cyan dye ink, dye ink for ink jet recording, ink jet recording method, and aqueous dye solution (U.S. Patent No. 12528945). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12528945

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