Patent Assignment
Reel/Frame 054421/0478
Assignment of Assignor's Interest
Recorded: 2020-11-19
Pages: 3
Assignee
JOHNSON MATTHEY PUBLIC LIMITED COMPANY
25 FARRINGDON STREET, 5TH FLOOR, LONDON, EC4A 4AB, UNITED KINGDOM
Covered Property
(1)
Oil Field Chemical-Carrying Material and Process for Making the Same
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.