	US 12,359,079 B2
	Aqueous inkjet ink compositions with phosphoric acid functional resin particles
Sepehr M. Tehrani, North York (CA); Syed Mohsin Ali, Milton (CA); Biby Esther Abraham, Mississauga (CA); C. Geoffrey Allen, Waterdown (CA); Carlos Dondon, Mississauga (CA); Jennifer Kim, Waterloo (CA); and Mihaela Maria Birau, Hamilton (CA)
Assigned to XEROX CORPORATION, Norwalk, CT (US)
Filed by Xerox Corporation, Norwalk, CT (US)
Filed on Dec. 9, 2021, as Appl. No. 17/546,211.
Prior Publication US 2023/0183503 A1, Jun. 15, 2023
Int. Cl. C09D 11/00 (2014.01); C09D 11/30 (2014.01); B41M 5/00 (2006.01)

CPC C09D 11/30 (2013.01) [B41M 5/0047 (2013.01)]

19 Claims

1. An aqueous inkjet ink composition comprising water, a colorant, resin particles, and optionally, a wax, wherein the resin particles comprise a polymerization product of reactants comprising:

hydrophobic monomers consisting of styrene and an alkyl (meth)acrylate; and

one or more types of acidic monomers comprising one or more types of phosphoric acid monomers, wherein the aqueous inkjet ink composition is free of a resin other than that provided by the resin particles.