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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 9994580 B1

PDFFull Text
Date of Patent:
Jun. 12, 2018

Filed:

Jul. 07, 2016

Phthalocyanine compound and method of preparing the same, color filter containing phthalocyanine compound, and coloring composition

Applicant:

Dic Corporation, Tokyo, JP;

Inventors:

Hitoshi Kondo, Chiba, JP;

Yusuke Ozaki, Chiba, JP;

Katsunori Shimada, Chiba, JP;

Assignee:

DIC CORPORATION, Tokyo, JP;

Attorney:

McDermott Will & Emery LLP

Primary Examiner:

Brenda L Coleman

Int. Cl.
CPC ...
C09B 47/06 (2006.01); C09B 47/067 (2006.01); C07D 487/04 (2006.01); C07D 491/048 (2006.01); C07D 235/26 (2006.01); G02B 5/20 (2006.01); C08K 5/3447 (2006.01); C07D 487/22 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C07D 487/22 (2013.01); C07D 235/26 (2013.01); C09B 47/06 (2013.01); G02B 1/04 (2013.01); G02B 5/20 (2013.01);
Abstract

Provided is a phthalocyanine compound which has a green hue without having a halogen atom, and exhibits high luminance and an excellent coloring force at the time of being used for preparing a green pixel unit of a color filter. The phthalocyanine compound of the present invention has green hues without having a halogen atom, and exhibits high luminance and an excellent coloring force at the time of being used for preparing the green pixel unit of the color filter. In addition, the phthalocyanine compound can be used not only for the color filter, but also as a colorant for a wide range of applications as a general colorant such as printing ink, paint, colored plastic, toner, and ink for ink jet.

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