Patent Assignment
Reel/Frame 057686/0673
Assignment of Assignor's Interest
Recorded: 2021-10-04
Pages: 2
Assignor
DERKS, WILLEM
Executed: 2021-09-27
Assignee
SHELL OIL COMPANY
P.O. BOX 576, HOUSTON, TEXAS, 77001-0576
Covered Property
(1)
A Method of Pretreating and Converting Hydrocarbons
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.