Patent Assignment
Reel/Frame 023686/0590
Assignment of Assignor's Interest
Recorded: 2009-12-22
Pages: 4
Assignors
SENGUPTA, ASHOKE K.
Executed: 2009-12-18
MCGREGOR, DAVID
Executed: 2009-12-18
DARLINGTON, JERALD W., JR.
Executed: 2009-12-18
Assignee
AMCOL INTERNATIONAL CORPORATION
2870 FORBS AVENUE, HOFFMAN ESTATES, ILLINOIS, 60192
Covered Property
(1)
Water-Dispersible Organoclays
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.