US 11,773,280 B2
Ink composition for inkjet printing
Emanuela Morgan Beltrame, Cambridge (GB); and Mary Thomson, Cambridge (GB)
Assigned to Domino Printing Sciences PLC, Cambridge (GB)
Appl. No. 17/42,531
Filed by Domino Printing Sciences Plc, Cambridge (GB)
PCT Filed Mar. 28, 2019, PCT No. PCT/EP2019/057873
§ 371(c)(1), (2) Date Sep. 28, 2020,
PCT Pub. No. WO2019/185804, PCT Pub. Date Oct. 3, 2019.
Claims priority of application No. 1804959 (GB), filed on Mar. 28, 2018.
Prior Publication US 2021/0009838 A1, Jan. 14, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C09D 11/38 (2014.01); B41M 5/00 (2006.01); B41M 5/50 (2006.01); C09D 11/102 (2014.01); C09D 11/324 (2014.01); C09D 11/03 (2014.01); C09D 11/10 (2014.01); C09D 11/36 (2014.01); C09D 11/52 (2014.01); C08K 3/105 (2018.01); C08K 3/32 (2006.01); B41J 2/21 (2006.01); B41J 2/01 (2006.01)
CPC C09D 11/38 (2013.01) [B41J 2/01 (2013.01); B41J 2/2107 (2013.01); B41M 5/0023 (2013.01); B41M 5/502 (2013.01); C09D 11/03 (2013.01); C09D 11/10 (2013.01); C09D 11/102 (2013.01); C09D 11/324 (2013.01); C09D 11/36 (2013.01); C09D 11/52 (2013.01); C08K 3/105 (2018.01); C08K 2003/324 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An ink composition comprising a liquid carrier, a colorant, a siloxane surfactant and a metal conductivity salt, wherein the siloxane surfactant is present in an amount greater than 0.1% by weight of the ink composition,
wherein the siloxane surfactant comprises a polyether modified siloxane surfactant, and
wherein the ink composition has a conductivity of less than 500 μS/cm without including a conductive contribution from the metal conductivity salt.