US 11,708,543 B2
Itaconate surfactants
Sujoy Bej, Bangalore (IN); Nivedita Jagdish Patil, Bangalore (IN); Saheli Chakraborty, Bangalore (IN); Sumana Roychowdhury, Bangalore (IN); and Ramakrishnan Subramanian, Bangalore (IN)
Assigned to Conopco Inc.
Appl. No. 17/420,148
Filed by Conopco Inc., Englewood Cliffs, NJ (US)
PCT Filed Jan. 6, 2020, PCT No. PCT/EP2020/050148
§ 371(c)(1), (2) Date Jul. 1, 2021,
PCT Pub. No. WO2020/144144, PCT Pub. Date Jul. 16, 2020.
Claims priority of application No. 19150712 (EP), filed on Jan. 8, 2019.
Prior Publication US 2022/0049187 A1, Feb. 17, 2022
Int. Cl. C11D 1/74 (2006.01); C11D 3/37 (2006.01); C07C 69/593 (2006.01); C11D 11/00 (2006.01)
CPC C11D 1/74 (2013.01) [C11D 11/0017 (2013.01)] 7 Claims
 
1. An itaconate surfactant having the following formula (I)

OG Complex Work Unit Chemistry
in which R1 is selected from aliphatic hydrocarbyl groups having 4 to 22 carbon atoms;
R2 is selected from hydrogen and aliphatic hydrocarbyl groups having 1 to 4 carbon atoms;
and n is an integer ranging from 8 to 20.