Recording ink, ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus, and inkjet recording method

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United States of America Patent

PATENT NO 8173227
APP PUB NO 20090162569A1
SERIAL NO

12095946

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Abstract

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There is provided a recording ink containing: solid constituents, which contain a colorant and a resin, and stay solid in the ink having a temperature of 25° C.; liquid constituents, which have a higher boiling point than a boiling point of water, and stay liquid in the ink having a temperature of 25° C.; and water, wherein a total amount of the solid constituents in the recording ink is in the range of 2.0% by mass or more to less than 20% by mass, wherein a ratio A/B of a total amount of the liquid constituents in the recording ink A to the total amount of the solid constituents in the recording ink B is from 0.70 to 1.75, and wherein the viscosity of the recording ink at 25° C. is 10 mPa s or less.

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Patent Owner(s)

  • RICOH COMPANY, LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aruga, Tamotsu Mishima, JP 81 2111
Gotoh, Akihiko Atsugi, JP 54 1520
Morohoshi, Naoya Numazu, JP 43 1235
Nagai, Kiyofumi Machida, JP 89 3405
Namba, Michihiko Yokohama, JP 62 1472

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