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US 2022/0177718 A1Published application
Ink and image forming method
AssigneeRicoh Company, Ltd.
InventorsKazuhiko Umemura, Sei Yamamoto, Yuya Hirokawa, Hiroki Hagiwara, Takuya Saiga, Tomohiro Nakagawa
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Abstract
An ink contains organic solvents containing 1,2-propane diol and 1,2-hexane diol, a pigment, water, and a polyoxyethylene ether compound.
Claims4
An ink comprising:
- organic solvents comprising 1,2-propane diol and 1,2-hexane diol,
- a pigment;
- water;
- and
- a polyoxyethylene ether compound.
2 more elements
Dependencies are inferred from the claim text.