Patent Assignment
Reel/Frame 070063/0568
Assignment of Assignor's Interest
Recorded: 2025-01-30
Pages: 9
Assignors
LIN, LIJUN
Executed: 2025-01-15
HUANG, JIANGSHUI
Executed: 2025-01-22
LIU, FUCHEN
Executed: 2025-01-17
SONG, LULU
Executed: 2025-01-15
YANG, ZHENZHOU
Executed: 2025-01-22
LIU, YU
Executed: 2025-01-17
WANG, HANXIAO
Executed: 2025-01-18
Assignees
CNPC USA CORPORATION
2901 WILCREST DRIVE, SUITE 600, HOUSTON, TEXAS, 77042
CHINA NATIONAL PETROLEUM CORPORATION
NO. 9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT, BEIJING, 100007, CHINA
BEIJING HUAMEI, INC.
NO. 23 TAIYANGGONG SOUTH ST., CHAO YANG DISTRICT, BEIJING, 102200, CHINA
Covered Property
(1)
Method for Making Nano- and Micro-Particles for Use as a Proppant and Fluid-Loss-Control Additive