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 8298299 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 30, 2012

Filed:

May. 31, 2011
Applicants:

Masahiro Higashi, Shizuoka, JP;

Yoshihiro Jimbo, Shizuoka, JP;

Keiichi Tateishi, Kanagawa, JP;

Inventors:

Masahiro Higashi, Shizuoka, JP;

Yoshihiro Jimbo, Shizuoka, JP;

Keiichi Tateishi, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); C09D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An azo pigment selected from the group consisting of: an azo pigment represented by the following formula (1), which has: a characteristic X-ray diffraction peak at Bragg angles (2θ±0.2°) of 6.9°, 21.5°, and 27.3° in CuKα characteristic X-ray diffraction, a peak height at 11.9° of 0.6 or less relative to a peak height at 10.9° or a tautomer thereof, or a salt, hydrate, or solvate of the azo pigment or tautomer thereof; and an azo pigment represented by the following formula (1), which has: a characteristic X-ray diffraction peak at Bragg angles (2θ±0.2°) of 6.9°, 25.8°, and 27.1° in CuKα characteristic X-ray diffraction, a peak height at 10.9° of 0.2 or less relative to a peak height at 11.9° or a tautomer thereof, or a salt, hydrate, or solvate of the azo pigment or tautomer thereof.


Find Patent Forward Citations

Higashi, Masahiro. (2012). Azo pigment or tautomer thereof, process for producing same, pigment dispersion, coloring composition, inkjet recording ink, coloring composition for color filter, and color filter (U.S. Patent No. 8298299). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8298299

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