US 12,264,297 B2
Fabric softener composition for liquid carbon dioxide-based cleaning
Jongseok Lee, Seoul (KR); Sunggyun Kim, Seoul (KR); and Myunghun Im, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Dec. 28, 2021, as Appl. No. 17/563,342.
Claims priority of application No. 10-2020-0185348 (KR), filed on Dec. 28, 2020.
Prior Publication US 2022/0204887 A1, Jun. 30, 2022
Int. Cl. C11D 1/38 (2006.01); C11D 1/46 (2006.01); C11D 1/62 (2006.01); C11D 3/00 (2006.01)
CPC C11D 3/0015 (2013.01) [C11D 1/62 (2013.01)] 4 Claims
 
1. A fabric softener composition for liquid carbon dioxide-based cleaning, comprising:
an organic solvent expressed as chemical formula 1; and
a cationic surfactant,
wherein the chemical formula 1 is:
R1—O—(CO)—O—R2, and
wherein R1 and R2 are hydrogen (H) or an alkyl group having 1 to 4 carbon atoms,
wherein the cationic surfactant comprises a compound expressed as chemical formula 3,
wherein the chemical formula 3 is:

OG Complex Work Unit Chemistry
and
wherein R1 is an alkyl or alkenyl group having 8 to 22 carbon atoms, R2 is (H) or an alkyl or alkenyl group having 1 to 4 carbon atoms, and X is one of Cl, CH3OSO3, and CH3CH2OSO3.