IP Library Assignment 058179/0771
Patent Assignment
Reel/Frame 058179/0771

Assignment of Assignor's Interest

Recorded: 2021-11-22 Pages: 5
Assignors
YANG, HONG
Executed: 2020-05-21
TROY, FRANCES
Executed: 2020-05-21
Assignee
KEMIRA OYJ
ENERGIAKATU 4, HELSINKI, 00180, FINLAND
Covered Property (1)
High Stability Polymer Compositions for Enhanced Oil Recovery Applications
Application: 16/024,147 →
Publication: US 2019/0002754
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 22, 2021
From: KEMIRA OYJ
To: CHEVRON U.S.A. INC.
Reel/Frame 058218/0665 →