Patent Assignment
Reel/Frame 052904/0785
Assignment of Assignor's Interest
Recorded: 2020-06-11
Pages: 2
Assignor
FRATTARELLI, DAVID L.
Executed: 2015-04-30
Assignee
ROHM AND HAAS COMPANY
100 INDEPENDENCE MALL WEST, PHILADELPHIA, PENNSYLVANIA, 19106
Covered Property
(1)
Co-Surfactant Foam-Forming Composition for Enhanced Oil Recovery
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.