Patent Assignment
Reel/Frame 053567/0624
Corrective Assignment to Correct the Signature on Page 6 Previously Recorded at Reel: 052889 Frame: 0903. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2020-08-20
Pages: 10
Assignors
SANTOS, CATHERINE MARTIN
Executed: 2020-05-27
LI, CHUNLI
Executed: 2020-05-27
OGLE, JAMES WILLIAM
Executed: 2020-05-27
XU, LIANG
Executed: 2020-07-18
Assignee
MULTI-CHEM GROUP, LLC
3000 N. SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3219
Covered Property
(1)
Cationic and Anionic Shale Inhibitors and Clay Stabilizers
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 10, 2020
From: SANTOS, CATHERINE MARTIN; LI, CHUNLI; OGLE, JAMES WILLIAM; XU, LIANG
To: MULTI-CHEM GROUP, LLC
Reel/Frame 052889/0903 →
Assignment of Assignor's Interest
May 10, 2021
From: MULTI-CHEM GROUP, LLC
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 056681/0849 →