Patent Assignment
Reel/Frame 042421/0752
Assignment of Assignor's Interest
Recorded: 2017-05-18
Pages: 7
Assignors
HE, KAI
Executed: 2014-12-16
ZHAO, FUNIAN
Executed: 2014-12-16
QU, LIANGWEI
Executed: 2015-01-09
XU, LIANG
Executed: 2014-12-16
Assignee
MULTI-CHEM GROUP, LLC
2905 SOUTHWEST BLVD., SAN ANGELO, TEXAS, 76904
Covered Property
(1)
Cationic Multiple Quaternary Ammonium-Based Surfactants for Enhancing Production in Subterranean Formations
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.