US 12,234,426 B2
Cleaning compositions employing extended chain anionic surfactants
Victor Fuk-Pong Man, Saint Paul, MN (US); Derrick Richard Anderson, Saint Paul, MN (US); and Yvonne Marie Killeen, Saint Paul, MN (US)
Assigned to ECOLAB USA INC., Saint Paul, MN (US)
Filed by ECOLAB USA INC., Saint Paul, MN (US)
Filed on Oct. 9, 2023, as Appl. No. 18/483,303.
Application 18/483,303 is a continuation of application No. 17/656,040, filed on Mar. 23, 2022, granted, now 11,814,604.
Application 17/656,040 is a continuation of application No. 16/949,957, filed on Nov. 20, 2020, granted, now 11,312,923, issued on Apr. 26, 2022.
Application 16/949,957 is a continuation of application No. 16/353,066, filed on Mar. 14, 2019, granted, now 10,883,068, issued on Jan. 5, 2021.
Application 16/353,066 is a continuation of application No. 15/411,280, filed on Jan. 20, 2017, granted, now 10,273,433, issued on Apr. 30, 2019.
Prior Publication US 2024/0052263 A1, Feb. 15, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 1/12 (2006.01); C11D 1/29 (2006.01); C11D 1/66 (2006.01); C11D 1/72 (2006.01); C11D 1/83 (2006.01); C11D 3/20 (2006.01); C11D 3/386 (2006.01); C11D 17/00 (2006.01); C10N 50/00 (2006.01)
CPC C11D 1/83 (2013.01) [C11D 3/2068 (2013.01); C11D 17/0021 (2013.01); C10M 2203/024 (2013.01); C10M 2207/401 (2013.01); C10N 2050/01 (2020.05); C11D 1/29 (2013.01); C11D 1/72 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cleaning composition comprising:
a surfactant system comprising an extended chain anionic surfactant and a linker surfactant of a branched alkyl glycerol ether, an ethoxylated alkyl glycerol ether, a C2 to C6 alcohol ethoxylate, and/or a Gemini surfactant having two or more head groups and two or more tails; and
an acid source.