Patent Assignment
Reel/Frame 023695/0041
Assignment of Assignor's Interest
Recorded: 2009-12-23
Pages: 8
Assignors
DENG, SHAOJIANG
Executed: 2009-12-10
WU, MIN
Executed: 2009-12-10
TURTLE, ERIC D.
Executed: 2009-07-22
HO, WEN-BIN
Executed: 2009-12-09
AREND, MICHAEL P.
Executed: 2009-12-09
FLIPPIN, LEE A.
Executed: 2009-12-09
CHENG, HENG
Executed: 2008-01-08
Assignee
FIBROGEN, INC.
409 ILLINOIS STREET, SAN FRANCISCO, CALIFORNIA, 94158
Covered Property
(1)
Pyrrolo- and Thiazolo-Pyridine Compounds, and Methods of Use Thereof
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 →