Patent Assignment
Reel/Frame 036146/0468
Assignment of Assignor's Interest
Recorded: 2015-07-21
Pages: 11
Assignors
SANTRA, ASHOK
Executed: 2015-06-16
SEYMORE, BRIAN
Executed: 2015-07-14
PARTCH, ILIA KIM
Executed: 2015-07-15
Assignee
LUBRIZOL OILFIELD CHEMISTRY, LLC
2000 ST. JAMES PLACE, HOUSTON, TEXAS, 77056
Covered Properties
(2)
Novel Weighted Elastomer Systems for Use in Cement, Spacer and Drilling Fluids
Novel Weighted Elastomer Systems for Use in Cement, Spacer and Drilling Fluids
Application:
61/737,271 →
Related Assignments
(1)
Other recorded transfers of the patents in this record — the chain of ownership.