IP Library › Assignment 056371/0836
Patent Assignment
Reel/Frame 056371/0836

Assignment of Assignor's Interest

Recorded: 2021-05-27 Pages: 6
Assignors
LIU, FANG FANG
Executed: 2021-04-27
LIU, SONGYIN
Executed: 2021-04-27
Assignee
ZL EOR CHEMICALS LTD.
325-2184 WEST BROADWAY, VANCOUVER, BC, V6K 2E1, CANADA
Covered Property (1)
Polymer Dispersion System for Use in a Hydraulic Fracturing Operation
Application: 17/093,512 →
Publication: US 2021/0275978
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 29, 2022
From: LIU, FANG FANG; LIU, SONGYIN
To: ZL EOR CHEMICALS LTD.
Reel/Frame 061260/0879 →