Assignment of Assignor's Interest

Recorded: 2013-09-20 Pages: 2

Assignors

WANG, JANICE JIANZHAO

Executed: 2013-09-11

MELBOUCI, MOHAND

Executed: 2013-09-09

Assignee

ISP INVESTMENTS INC.

1011 CENTRE ROAD, SUITE 315, WILMINGTON, DELAWARE, 19805

Covered Property (1)

High-Temperature High-Pressure (Hthp) Stable Thickener for Drill-in, Completion and Workover Fluids Applications

Application: 61/874,928 →