Assignment of Assignor's Interest

Recorded: 2010-09-10 Pages: 3

Assignor

ARMSTRONG, DANIEL W.

Executed: 2010-09-03

Assignee

SIGMA-ALDRICH CO.

3050 SPRUCE ST., ST. LOUIS, MISSOURI, 63103

Covered Property (1)

Imidazolium-Based Liquid Salts and Methods of Use Thereof

Patent: 8,742,331 →

Application: 12/867,142 →

Publication: US 2011/0036975

Related Assignments (2)

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