Patent Assignment
Reel/Frame 049144/0072
Assignment of Assignor's Interest
Recorded: 2019-05-09
Pages: 7
Assignors
LIN, LIJUN
Executed: 2019-02-11
HUANG, JIANGSHUI
Executed: 2019-02-09
SONG, LULU
Executed: 2019-02-08
Assignee
CNPC USA CORPORATION
2901 WILCREST DRIVE, SUITE 600, HOUSTON, TEXAS, 77042
Covered Property
(1)
Method for Making Nano- and Micro-Particles for Use as a Proppant and Fluid-Loss-Control Additive
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.