IP Library Assignment 026196/0459
Patent Assignment
Reel/Frame 026196/0459

Assignment of Assignor's Interest

Recorded: 2011-04-28 Pages: 5
Assignors
ZHOU, XIAOTI
Executed: 2011-04-27
AREND, MICHAEL P.
Executed: 2011-03-04
WU, MIN
Executed: 2011-03-07
FLIPPIN, LEE A.
Executed: 2011-03-02
Assignee
FIBROGEN, INC.
409 ILLINOIS STREET, SAN FRANCISCO, CALIFORNIA, 94518
Covered Property (1)
Isothiazole-Pyridine Derivatives as Modulators of Hif (Hypoxia Inducible Factor) Activity
Patent: 8,952,160 →
Application: 12/811,821 →
Publication: US 2010/0330199
Related Assignments (2)
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 →