IP Library Assignment 039290/0049
Patent Assignment
Reel/Frame 039290/0049

Assignment of Assignor's Interest

Recorded: 2016-07-29 Pages: 4
Assignors
DAVIS, JAMES W.
Executed: 2011-06-02
KETERLSON, HOWARD A.
Executed: 2011-06-02
Assignee
ALCON RESEARCH, LTD.
6201 SOUTH FREEWAY, FORT WORTH, TEXAS, 76134
Covered Property (1)
Use of Pbo-Peo-Pbo Block Copolymers in Ophthalmic Compositions
Patent: 9,521,842 →
Application: 14/627,422 →
Publication: US 2016/0192646
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 →