US 12,241,041 B2
Acidic liquid fabric care compositions
Rachel Morgan Clayton Roeder, Mason, OH (US); Jennifer Lea Rinker, Hamilton, OH (US); and Marc Johan Declercq, Brussels (BE)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Dec. 20, 2023, as Appl. No. 18/390,341.
Application 18/390,341 is a continuation of application No. 17/978,288, filed on Nov. 1, 2022, granted, now 11,891,585.
Claims priority of application No. 21205850 (EP), filed on Nov. 2, 2021.
Prior Publication US 2024/0124797 A1, Apr. 18, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 1/66 (2006.01); B08B 3/04 (2006.01); C11D 1/08 (2006.01); C11D 1/29 (2006.01); C11D 1/83 (2006.01); C11D 3/20 (2006.01); C11D 3/34 (2006.01); C11D 3/50 (2006.01); C11D 17/00 (2006.01)
CPC C11D 1/08 (2013.01) [C11D 1/29 (2013.01); C11D 1/83 (2013.01); C11D 3/2072 (2013.01); C11D 3/50 (2013.01); C11D 17/0008 (2013.01); C11D 2111/12 (2024.01)] 19 Claims
 
1. A liquid fabric care composition comprising:
from about 10% to about 50%, by weight of the liquid fabric care composition, of citric acid and/or a salt thereof;
from about 0.001% to about 0.01%, by weight of the liquid fabric care composition, of a first sulfur-containing compound selected from a sulfate compound, a bisulfate compound, or a combination thereof;
a fragrance material; and
from about 30% to about 90%, by weight of the liquid fabric care composition, of water;
wherein the composition comprises less than 10%, by weight of the liquid fabric care composition, of a material selected from the group consisting of detersive surfactant, bleaching systems, fabric softening materials, and mixtures thereof;
wherein the liquid fabric care composition is characterized by a neat pH of from about 2 to about 6.