US 12,441,902 B2
Ink set, image forming method, and image forming apparatus
Kiminori Masuda, Tokyo (JP); Hiroaki Takahashi, Kanagawa (JP); and Masaki Kudo, Kanagawa (JP)
Assigned to Ricoh Company, Ltd., Tokyo (JP)
Filed by Kiminori Masuda, Tokyo (JP); Hiroaki Takahashi, Kanagawa (JP); and Masaki Kudo, Kanagawa (JP)
Filed on Jul. 14, 2023, as Appl. No. 18/352,524.
Claims priority of application No. 2022-114801 (JP), filed on Jul. 19, 2022.
Prior Publication US 2024/0026180 A1, Jan. 25, 2024
Int. Cl. C09D 11/40 (2014.01); B41M 5/00 (2006.01); C08K 5/053 (2006.01); C08K 5/098 (2006.01); C09D 11/023 (2014.01); C09D 11/102 (2014.01); C09D 11/107 (2014.01); C09D 11/322 (2014.01); C09D 11/36 (2014.01); C09D 11/38 (2014.01); C09D 11/54 (2014.01)
CPC C09D 11/40 (2013.01) [B41M 5/0017 (2013.01); C08K 5/053 (2013.01); C08K 5/098 (2013.01); C09D 11/023 (2013.01); C09D 11/102 (2013.01); C09D 11/107 (2013.01); C09D 11/322 (2013.01); C09D 11/36 (2013.01); C09D 11/38 (2013.01); C09D 11/54 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An ink set, comprising:
a pretreatment liquid containing a resin (R1);
a color ink containing a resin (R2); and
a clear ink containing a resin (R3),
the resin (R1), the resin (R2), and the resin (R3) having an identical type of bonding structure in a repeating unit of a molecule.