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.

Date of Patent:
Dec. 03, 2019

Filed:

May. 18, 2017
Applicant:

Konica Minolta, Inc., Tokyo, JP;

Inventors:

Masashi Ikeda, Koganei, JP;

Katsunori Goi, Sagamihara, JP;

Toshiyuki Takabayashi, Hachioji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/40 (2014.01); B41J 2/21 (2006.01); C09D 11/322 (2014.01); C09D 11/38 (2014.01); B41J 2/135 (2006.01);
U.S. Cl.
CPC ...
B41J 2/21 (2013.01); B41J 2/135 (2013.01); C09D 11/322 (2013.01); C09D 11/38 (2013.01); C09D 11/40 (2013.01);
Abstract

Ink sets comprising an ink set A which comprises a yellow ink, a magenta ink, a cyan ink, and a black ink and an ink set B which comprises at least two inks selected from among an orange ink, a green ink, a violet ink, and a blue ink. In the ink set B, the orange ink contains an orange pigment having a cyclic structure and a basic moiety in the cyclic structure, the green ink contains a green pigment having a copper phthalocyanine structure, and the violet ink contains a violet pigment having a dioxazine skeleton. The inks included in the ink set A and ink set B each contain, as a gellant, at last one compound selected from among compounds represented by R1-CO—R2 (general formula (G1)) and compounds represented by R3-COO—R4 (general formula (G2)). In the general formulae (G1) and (G2), R1 to R4 each independently represent a Cchain hydrocarbon group.


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