IP Library Assignment 031364/0946
Patent Assignment
Reel/Frame 031364/0946

Assignment of Assignor's Interest

Recorded: 2013-10-08 Pages: 4
Assignors
XU, LIANG
Executed: 2013-10-04
FU, QIANG
Executed: 2013-10-04
Assignee
MULTI-CHEM GROUP, LLC.
2905 SOUTHWEST BLVD., SAN ANGELO, TEXAS, 76904
Covered Property (1)
Method for Selection of Surfactants in Well Stimulation
Patent: 9,422,470 →
Application: 13/611,523 →
Publication: US 2013/0067999
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 10, 2021
From: MULTI-CHEM GROUP, LLC
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 056681/0849 →