IP Library Assignment 026382/0174
Patent Assignment
Reel/Frame 026382/0174

Assignment of Assignor's Interest

Recorded: 2011-06-02 Pages: 4
Assignors
DAVIS, JAMES W.
Executed: 2011-06-02
KETELSON, HOWARD ALLEN
Executed: 2011-06-02
Assignee
ALCON RESEARCH, LTD
6201 SOUTH FREEWAY, MAIL CODE TB4-8, FORT WORTH, TEXAS, 76134-2099
Covered Property (1)
Use of Pbo-Peo-Pbo Block Copolymers in Ophthalmic Compositions
Patent: 8,999,312 →
Application: 13/151,991 →
Publication: US 2011/0300019
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Dec 11, 2019
From: ALCON RESEARCH, LTD.
To: ALCON RESEARCH, LLC
Reel/Frame 051257/0562 →
Confirmatory Deed of Assignment Effective April 8, 2019 Dec 14, 2019
From: ALCON RESEARCH, LLC
To: ALCON INC.
Reel/Frame 051293/0444 →