Patent ID: 11898100
Assignee: CHEVRON U.S.A. INC.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 5:
6. The method of claim 3, wherein the partitioning agent comprises a non-ionic surfactant, and wherein the non-ionic surfactant is defined by the formula below

R2-Z(BO)-Y(PO)-X(EO), wherein
R2 represents a branched or unbranched hydrophobic carbon chain having 7-32 carbon atoms;
Z represents an integer from 0 to 35;
BO represents a butoxy group;
Y represents an integer from 0 to 35;
PO represents a propoxy group;
X represents an integer from 1 to 50; and
EO represents an ethoxy group.