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US 2010/0266945 A1Published application
Pigment, method for manufacturing the same, pigment dispersion, and yellow toner
AssigneeCanon Kabushiki Kaisha
InventorsKei Inoue, Takayuki Toyoda, Yutaka Tani, Taichi Shintou, Yasuaki Murai, Masashi Hirose
Life of this patent
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Abstract
A pigment has a compound expressed by Formula (1). The pigment has a number average primary particle size of 30 to 70 nm and has a CuKα characteristic X-ray diffraction spectrum having, when θ represents a Bragg angle, a peak at 2θ±0.20° equal to 10.0° and a peak at 2θ±0.20° equal to 11.1°, the intensity ratio of the 11.1° peak to the 10.0° peak being 0.1 to 0.6.
Claims6
A pigment comprising:
- a compound expressed by Formula (1):
- wherein the pigment has a number average primary particle size of 30 to 70 nm, and has a CuKα characteristic X-ray diffraction spectrum having, when θ represents a Bragg angle, a peak at 2θ±0.20° equal to 10.0° and a peak at 2θ±0.20° equal to 11.1°, the intensity ratio of the 11.1° peak to the 10.0° peak being 0.1 to 0.6.
Dependencies are inferred from the claim text.