Assignment of Assignor's Interest

Recorded: 2012-12-04 Pages: 4

Assignors

BLEZARD, MICHAEL

Executed: 2012-10-11

PEPIN, MATHIEU

Executed: 2012-10-18

Assignees

M-I DRILLING FLUIDS UK LIMITED

HOLBURN HOUSE, 475-485 UNION STREET, ABERDEEN, SCOTLAND, AB11 6DB, UNITED KINGDOM

STEPAN UK LIMITED

BRIDGE HOUSE, BRIDGE STREET, STALYBRIDGE, CHESHIRE, SK15 1PH, UNITED KINGDOM

Covered Property (1)

Quaternary Ammonium Corrosion Inhibitor

Patent: 9,103,039 →

Application: 13/319,186 →

Publication: US 2012/0128530

Related Assignments (2)

Other recorded transfers of the patent in this record — the chain of ownership.