Patent Assignment
Reel/Frame 023350/0090
Assignment of Assignor's Interest
Recorded: 2009-10-09
Pages: 6
Assignors
DASSANAYAKE, NISSANKE L.
Executed: 2009-08-05
KETELSON, HOWARD ALLEN
Executed: 2009-10-06
DESOUSA, RYAN
Executed: 2009-08-17
Assignee
ALCON RESEARCH, LTD.
6201 SOUTH FREEWAY, FORT WORTH, TEXAS, 76134-2099
Covered Property
(1)
Polyalkylene Oxide Polyquaternary Ammonium Biocides
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Confirmatory Deed of Assignment Effective April 8, 2019
Dec 10, 2019
From: NOVARTIS AG
To: ALCON INC.
Reel/Frame 051454/0788 →
Merger
Jul 21, 2020
From: ALCON RESEARCH, LTD.
To: ALCON RESEARCH, LLC
Reel/Frame 053273/0022 →
Confirmatory Deed of Assignment Effective April 8, 2019
Jul 23, 2020
From: ALCON RESEARCH, LLC
To: ALCON INC.
Reel/Frame 053293/0484 →