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

Claim 4:
5. The method of claim 3, wherein the partitioning agent comprises an ether, and wherein the ether comprises an alkyl alkoxylate defined by the formula below

R1-Z(BO)-Y(PO)-X(EO), wherein
R1 represents a branched or unbranched C1-C6 alkyl group or a phenyl group;
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.