US 11,946,025 B2
Whitening agents for cellulosic substrates
Eugene Steven Sadlowski, Cincinnati, OH (US); Mark Robert Sivik, Mason, OH (US); Michael David Cummings, West Chester, OH (US); Donna D'Angelo Morrall, West Harrison, IN (US); Kevin Lee Kott, Cincinnati, OH (US); Keith Homer Baker, Cincinnati, OH (US); Brian Joseph Loughnane, Fairfield, OH (US); Michael A Valenti, Greenville, SC (US); Laurent D. Kieken, Greenville, SC (US); Xiayong Michael Hong, Greer, SC (US); Eduardo Torres, Boiling Springs, SC (US); Dominick J. Valenti, Moore, SC (US); Patrick D. Moore, Pacolet, SC (US); and Leonard J. Starks, Duncan, SC (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Nov. 9, 2021, as Appl. No. 17/521,988.
Application 17/521,988 is a continuation of application No. 16/688,072, filed on Nov. 19, 2019, granted, now 11,198,838.
Application 16/688,072 is a continuation of application No. 14/877,060, filed on Oct. 7, 2015, abandoned.
Application 14/877,060 is a continuation of application No. 14/196,094, filed on Mar. 4, 2014, granted, now 10,526,566, issued on Jan. 7, 2020.
Application 14/196,094 is a continuation of application No. 13/727,711, filed on Dec. 27, 2012, granted, now 8,703,688, issued on Apr. 22, 2014.
Application 13/727,711 is a continuation of application No. 13/546,054, filed on Jul. 11, 2012, granted, now 8,367,598, issued on Feb. 5, 2013.
Application 13/546,054 is a continuation of application No. 12/510,327, filed on Jul. 28, 2009, granted, now 8,247,364, issued on Aug. 21, 2012.
Application 12/510,327 is a continuation of application No. 12/082,488, filed on Apr. 10, 2008, abandoned.
Application 12/082,488 is a continuation of application No. 11/655,338, filed on Jan. 19, 2007, abandoned.
Prior Publication US 2022/0064576 A1, Mar. 3, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 3/42 (2006.01); C07D 333/38 (2006.01); C11D 3/386 (2006.01)
CPC C11D 3/42 (2013.01) [C07D 333/38 (2013.01); C11D 3/386 (2013.01); C11D 3/38618 (2013.01); C11D 3/38627 (2013.01); C11D 3/38636 (2013.01); C11D 3/38645 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A laundry care composition comprising a laundry care ingredient and a whitening agent,
wherein the whitening agent possesses a dispersion component value of the Hansen Solubility parameter of less than or equal to about 17 MPa0.5
said whitening agent comprising:
(a) at least one chromophore component that comprises a thiophene colorant, and
(b) at least one polymeric component;
wherein the whitening agent is characterized by the following structure:

OG Complex Work Unit Chemistry
wherein R1 and R2 can independently be selected from:
a) [(CH2CR′HO)x(CH2CR″HO)yH]
wherein R′ is selected from the group consisting of H, CH3, CH2O(CH2CH2O)zH, and mixtures thereof; wherein R″ is selected from the group consisting of H, CH2O(CH2CH2O)zH, and mixtures thereof; wherein x+y≤5; wherein y≥1; and wherein z=0 to 5;
b) R1=alkyl, aryl or aryl alkyl and R2═[(CH2CR′HO)x(CH2CR″HO)yH]
wherein R′ is selected from the group consisting of H, CH3, CH2O(CH2CH2O)zH, and mixtures thereof; wherein R″ is selected from the group consisting of H, CH2O(CH2CH2O)zH, and mixtures thereof; wherein x+y≤10; wherein y≥1; and wherein z=0 to 5;
c) R1═[CH2CH2(OR3)CH2OR4] and R2═[CH2CH2(OR3)CH2OR4]
wherein R3 is selected from the group consisting of H, (CH2CH2O)zH, and mixtures thereof; and wherein z=0 to 10;
wherein R4 is selected from the group consisting of (C1-C16)alkyl, aryl groups, and mixtures thereof; and
d) wherein R1 and R2 can independently be selected from the amino addition product of styrene oxide, glycidyl methyl ether, isobutyl glycidyl ether, isopropylglycidyl ether, t-butyl glycidyl ether, 2-ethylhexylgycidyl ether, and glycidylhexadecyl ether, followed by the addition of from 1 to 10 alkylene oxide units.