Inkjet ink, ink cartridge, inkjet recording device, and inkjet printed matter

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United States of America Patent

PATENT NO 9267046
APP PUB NO 20150247049A1
SERIAL NO

14712472

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Abstract

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Inkjet ink contains a pigment, a hydrosoluble solvent, and water, wherein the pigment is represented by the following chemical formula 1 and has a CuKα X-ray diffraction spectrum having a wavelength of 1.541 Å such that no main peak is observed at a Bragg (2θ±0.2°) angle in a range of 2θ of from 28.0° to 29.0°,

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDTOKYO 143-8555

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hakiri, Minoru Shizuoka, JP 44 629
Katoh, Keita Shizuoka, JP 41 657
Matsuyama, Akihiko Shizuoka, JP 68 1586
Naruse, Mitsuru Shizuoka, JP 75 879
Nonogaki, Masayasu Shizuoka, JP 30 463

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