Patent Assignment
Reel/Frame 033828/0484
Assignment of Assignor's Interest
Recorded: 2014-09-26
Pages: 7
Assignors
QIAN, XINMING
Executed: 2014-09-08
CHANG, FRANK
Executed: 2014-09-11
HOLLAND, TROY VERNON
Executed: 2014-09-15
QIU, YONGXING
Executed: 2014-09-08
SHANKAR, VENKAT
Executed: 2014-09-05
Assignee
ALCON RESEARCH, LTD.
11460 JOHNS CREEK PARKWAY, JOHNS CREEK, GEORGIA, 30097
Covered Property
(1)
Method for Determining the Surface Concentration of Carboxyl Groups on a Lens
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 26, 2014
From: ALCON RESEARCH, LTD.
To: NOVARTIS AG
Reel/Frame 033828/0629 →
Assignment of Assignor's Interest
Nov 10, 2014
From: ALCON RESEARCH, LTD.
To: NOVARTIS AG
Reel/Frame 034137/0575 →
Confirmatory Deed of Assignment Effective April 8, 2019
Dec 10, 2019
From: NOVARTIS AG
To: ALCON INC.
Reel/Frame 051454/0788 →