IP Library › Assignment 020767/0024
Patent Assignment
Reel/Frame 020767/0024

Assignment of Assignor's Interest

Recorded: 2008-04-07 Pages: 8
Assignor
CLEARWATER, INC.
Executed: 2002-10-25
Assignee
CLEARWATER INTERNATIONAL, L.L.C.
515 POST OAK BOULEVARD, SUITE 600, HOUSTON, TEXAS, 77027
Covered Property (1)
Polymeric Gel System and Use in Hydrocarbon Recovery
Patent: 7,575,057 →
Application: 12/033,098 →
Publication: US 2008/0202749
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 7, 2008
From: SCHWARTZ, KEVIN M.; SMITH, KEVIN W.; CHEN, SHIH-RUEY T.
To: CLEARWATER, INC.
Reel/Frame 020766/0954 →
Assignment of Assignor's Interest Oct 9, 2015
From: CLEARWATER INTERNATIONAL, L.L.C.
To: LUBRIZOL OILFIELD SOLUTIONS, INC.
Reel/Frame 036822/0379 →