Patent Assignment
Reel/Frame 055062/0794
Assignment of Assignor's Interest
Recorded: 2021-01-28
Pages: 4
Assignors
NGUYEN, THU
Executed: 2020-10-20
ROMMERSKIRCHEN, RENKE
Executed: 2020-10-19
FERNANDEZ, JORGE
Executed: 2020-11-03
Assignee
SASOL PERFORMANCE CHEMICALS GMBH
ANCKELMANNSPLATZ 1, HAMBURG, 20537, GERMANY
Covered Property
(1)
Alkyl Alkoxylated Carboxylate Salts as Steam Foam Additives for Heavy Oil Recovery
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.