US 12,221,551 B2
Ink compositions
Frederic Jean Alain Bodino, Lausanne (CH); and Guillaume Falco, Vevey (CH)
Assigned to Dover Europe Sàrl, Vernier (CH)
Filed by Dover Europe Sàrl, Vernier (CH)
Filed on Sep. 30, 2022, as Appl. No. 17/958,124.
Prior Publication US 2024/0110075 A1, Apr. 4, 2024
Int. Cl. C09D 11/52 (2014.01); C09D 11/033 (2014.01); C09D 11/103 (2014.01); C09D 11/107 (2014.01); C09D 11/14 (2006.01); C09D 11/36 (2014.01); C09D 11/38 (2014.01)
CPC C09D 11/52 (2013.01) [C09D 11/033 (2013.01); C09D 11/103 (2013.01); C09D 11/107 (2013.01); C09D 11/14 (2013.01); C09D 11/36 (2013.01); C09D 11/38 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An inkjet ink composition comprising:
a solvent consisting of dimethyl carbonate and acetone, wherein a weight ratio of the dimethyl carbonate to the acetone is from about 60:40 to about 80:20;
at least one conductive agent;
at least one resin; and
at least one colorant,
wherein the inkjet ink composition is free or substantially free of water, hydrocarbons, acetals, monoesters, carbonate esters other than dimethyl carbonate, non-carbonate esters, alcohols, and ketones other than acetone.