US 12,441,962 B2
Detergent containing a photoactivated stain removal ingredient comprising a colorant-functionalized copolymer
Kira Neubauer, Wuppertal (DE); Christian Kropf, Hilden (DE); Nadia Ledermann, Duisburg (DE); Christopher Winfried Barner-Kowollik, Gaythorne (AU); Kai Mundsinger, Milton (AU); and Brian Tyler Tuten, Milton (AU)
Assigned to Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed on Jun. 29, 2023, as Appl. No. 18/344,525.
Claims priority of application No. 102022206619.7 (DE), filed on Jun. 29, 2022.
Prior Publication US 2024/0002756 A1, Jan. 4, 2024
Int. Cl. C11D 3/37 (2006.01); C11D 3/00 (2006.01); C11D 3/395 (2006.01); C11D 3/40 (2006.01)
CPC C11D 3/3765 (2013.01) [C11D 3/0063 (2013.01); C11D 3/395 (2013.01); C11D 3/40 (2013.01); C11D 2111/12 (2024.01)] 12 Claims
 
1. A laundry detergent, comprising a cross-linked polymer obtainable by
a) copolymerizing monomers of general formula (I) and general formula (II)

OG Complex Work Unit Chemistry
in which R1, R2, and R3, independently of each other, are H or CH3, and n is a number in the range of from 1 to 90, preferably from 5 to 50,
b) crosslinking the copolymer with a polythiol crosslinker and functionalizing with a compound of general formula (III),
H2C═CH—R4—Z  (III),
in which R4 is an alkyl group with from 2 to 12 carbon atoms, and Z is a colorant compound, being linked by one of its N- or O-atoms to R4.