IP Library › Assignment 025468/0853
Patent Assignment
Reel/Frame 025468/0853

Assignment of Assignor's Interest

Recorded: 2010-12-08 Pages: 3
Assignor
BHATTACHARJA, SANKAR
Executed: 2010-12-08
Assignee
NALCO COMPANY
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property (1)
Investment Casting Shells Having an Organic Component
Patent: 9,227,241 →
Application: 12/963,311 →
Publication: US 2012/0148736
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 20, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 043924/0587 →
Assignment of Assignor's Interest Nov 1, 2017
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 044347/0104 →