Patent Assignment
Reel/Frame 034594/0216
Assignment of Assignor's Interest
Recorded: 2014-12-29
Pages: 13
Assignors
HO, WEN-BIN
Executed: 2014-09-16
ZHAO, HONGDA
Executed: 2014-09-17
DENG, SHAOJIANG
Executed: 2014-09-16
NG, DANNY
Executed: 2014-09-16
WRIGHT, LEE R.
Executed: 2014-09-16
WU, MIN
Executed: 2014-09-16
ZHOU, XIAOTI
Executed: 2014-09-16
AREND, MICHAEL P.
Executed: 2014-09-16
FLIPPIN, LEE A.
Executed: 2014-09-16
Assignee
FIBROGEN, INC.
409 ILLINOIS ST., SAN FRANCISCO, CALIFORNIA, 94158
Covered Property
(1)
4 -Hydroxy- Isoquinoline Compounds as Hif Hydroxylase Inhibitors
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
May 1, 2023
From: FIBROGEN, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 063504/0221 →
Release of Security Interest
Sep 3, 2025
From: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS AGENT
To: FIBROGEN, INC.
Reel/Frame 072785/0760 →
Change of Name
Feb 18, 2026
From: FIBROGEN, INC.
To: KYNTRA BIO, INC.
Reel/Frame 074923/0352 →