Patent Assignment
Reel/Frame 035180/0713
Merger
Recorded: 2015-03-17
Pages: 4
Assignor
WSP CHEMICALS & TECHNOLOGY, LLC
Executed: 2013-12-31
Assignee
CHEMLOGICS GROUP, LLC
8 CEDAR BROOK DRIVE, CRANBURY, NEW JERSEY, 08512
Covered Property
(1)
Method of Treating a Formation
Patent:
8,640,774 →
Application:
12/032,859 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 23, 2008
From: FREDERICK, KEVIN W; CHEN, SHIH-RUEY T
To: WSP CHEMICALS & TECHNOLOGY, LLC
Reel/Frame 021725/0034 →
Merger
Mar 17, 2015
From: CHEMLOGICS GROUP, LLC
To: SOLVAY USA INC.
Reel/Frame 035180/0833 →
Assignment of Assignor's Interest
Oct 28, 2025
From: SOLVAY USA INC.
To: ENERGY SOLUTIONS (US) LLC
Reel/Frame 072702/0825 →