Patent Assignment
Reel/Frame 032438/0645
Assignment of Assignor's Interest
Recorded: 2014-03-14
Pages: 3
Assignor
SCHELHAAS, MICHAEL
Executed: 2010-10-05
Assignee
LANXESS DEUTSCHLAND GMBH
KENNEDYPLATZ 1, COLOGNE, 50569, GERMANY
Covered Property
(1)
Process for Transporting Fracture ("Frac") Fluid Additives to Oil and Gas Wells Utilizing Ion Exchange Resin
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 22, 2012
From: TIRIO, ANTHONY P
To: LANXESS SYBRON CHEMICALS INC.
Reel/Frame 027909/0025 →
Assignment of Assignor's Interest
Mar 14, 2014
From: TIRIO, ANTHONY P.; FATULA, PHIL
To: LANXESS SYBRON CHEMICALS INC.
Reel/Frame 032438/0573 →
Merger
Nov 14, 2019
From: LANXESS SYBRON CHEMICALS INC.
To: LANXESS CORPORATION
Reel/Frame 051004/0314 →