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US 12,545,800 B2Granted
Reaction liquid for pigment printing, ink set, and recording method
AssigneeSeiko Epson Corporation
InventorDaisuke Sakuma
Life of this patent
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Abstract
A reaction liquid for pigment printing contains a polyvalent metal salt, a cationic polymer, a polyhydric alcohol, an alkali, and water. The alkali is an amine compound, and the reaction liquid is used by ejecting it by ink jet technology.
Claims11
A reaction liquid for pigment printing, the reaction liquid comprising:
- a polyvalent metal salt;
- a cationic polymer;
- a polyhydric alcohol;
- an alkali;
- and
- water, wherein:
- the alkali is an amine compound that is different from the cationic polymer;
- and
- the reaction liquid is used by ejecting the reaction liquid by ink jet technology.
6 more elements
Dependencies are inferred from the claim text.