US 11,999,863 B2
White ink composition and recording method
Kohei Ishida, Matsumoto (JP)
Assigned to SEIKO EPSON CORPORATION, (JP)
Filed by Seiko Epson Corporation, Tokyo (JP)
Filed on Nov. 24, 2021, as Appl. No. 17/534,525.
Claims priority of application No. 2020-197290 (JP), filed on Nov. 27, 2020.
Prior Publication US 2022/0169873 A1, Jun. 2, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C09D 11/107 (2014.01); B41J 2/21 (2006.01); B41M 5/00 (2006.01); C09D 11/322 (2014.01); C09D 11/38 (2014.01)
CPC C09D 11/107 (2013.01) [B41J 2/2107 (2013.01); B41J 2/2114 (2013.01); B41J 2/2117 (2013.01); B41M 5/0023 (2013.01); C09D 11/322 (2013.01); C09D 11/38 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A white ink composition which is an aqueous ink jet ink, comprising:
a white colorant; and
a fixing resin,
wherein the fixing resin contains an acrylic-based resin having an acid value of 55.0 to 100.0 mgKOH/g and a glass transition temperature of 23.0° C. to 50.0° C.