Patent Assignment
Reel/Frame 033433/0033
Assignment of Assignor's Interest
Recorded: 2014-07-31
Pages: 6
Assignors
TURTLE, ERIC D.
Executed: 2006-11-10
FLIPPIN, LEE A.
Executed: 2006-10-25
AREND, MICHAEL P.
Executed: 2006-10-26
CHENG, HENG
Executed: 2006-11-16
Assignee
FIBROGEN, INC.
225 GATEWAY BLVD., SOUTH SAN FRANCISCO, CALIFORNIA, 94080
Covered Property
(1)
Novel Thienopyridine 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 →