Patent Assignment
Reel/Frame 025237/0592
Assignment of Assignor's Interest
Recorded: 2010-11-03
Pages: 6
Assignors
TIRIO, ANTHONY P.
Executed: 2010-09-20
FATULA, PHIL
Executed: 2010-09-20
SCHELHAAS, MICHAEL
Executed: 2010-10-05
Assignee
LANXESS DEUTSCHLAND GMBH
D-51369, LEVERKUSEN, GERMANY
Covered Property
(1)
Process for Transporting Fracture ("Frac") Fluid Additives to Oil and Gas Wells Utilizing Ion Exchange Resin
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Named Assignees Previously Recorded on Reel 025237 Frame 0592. Assignor(S) Hereby Confirms the Assignment to Lanxess Sybron Chemicals, Inc. and Lanxess Deutschland Gmbh.
Jun 7, 2011
From: TIRIO, ANTHONY P.; FATULA, PHIL; SCHELHAAS, MICHAEL
To: LANXESS DEUTSCHLAND GMBH; LANXESS SYBRON CHEMICALS, INC.
Reel/Frame 026399/0415 →
Merger
Nov 14, 2019
From: LANXESS SYBRON CHEMICALS INC.
To: LANXESS CORPORATION
Reel/Frame 051004/0314 →