Assignment of Assignor's Interest

Recorded: 2010-04-28 Pages: 5

Assignors

KEISER, BRUCE A.

Executed: 2010-04-20

ERGANG, NICHOLAS S.

Executed: 2010-04-22

MINMA, RICHARD

Executed: 2010-04-22

SHOWALTER, BRETT M.

Executed: 2010-04-20

Assignee

NALCO COMPANY

1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198

Covered Property (1)

Silica Particle Manufacturing Process

Patent: 8,845,991 →

Application: 12/756,526 →

Publication: US 2011/0251057

Related Assignments (2)

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