US 12,486,475 B2
Composition for surface care application
Livia Pereira, Paulínia (BR); and Sergio Martins, Campinas (BR)
Assigned to RHODIA BRASIL S.A., São Paulo (BR)
Appl. No. 17/771,300
Filed by RHODIA BRASIL S.A., Sâo Paulo (BR)
PCT Filed Oct. 19, 2020, PCT No. PCT/IB2020/059798
§ 371(c)(1), (2) Date Apr. 22, 2022,
PCT Pub. No. WO2021/079247, PCT Pub. Date Apr. 29, 2021.
Claims priority of application No. PCT/IB2019/059037 (WO), filed on Oct. 23, 2019.
Prior Publication US 2022/0380702 A1, Dec. 1, 2022
Int. Cl. C11D 3/00 (2006.01); C11D 1/22 (2006.01); C11D 3/20 (2006.01); C11D 3/30 (2006.01); C11D 3/43 (2006.01)
CPC C11D 3/2096 (2013.01) [C11D 1/22 (2013.01); C11D 3/30 (2013.01); C11D 3/43 (2013.01); C11D 2111/14 (2024.01)] 13 Claims
OG exemplary drawing
 
1. A composition for cleaning application comprising:
water;
an alkalinizing agent;
at least one surfactant;
at least one ketal of formula (I):

OG Complex Work Unit Chemistry
wherein
R1 and R2, independently from one another, are selected from the group consisting of: a linear or branched C1-C12 alkyl group,
R3 is H; and
wherein:
the surfactant is chosen from alkylbenzenesulfonates,
the mass ratio between the surfactant and the ketal is between 60:40 to 40:60, and
the composition comprises 1% by weight of the combination of surfactant and ketal of formula I.