Patent Assignment
Reel/Frame 038515/0431
Assignment of Assignor's Interest
Recorded: 2016-05-09
Pages: 8
Assignors
THOMPSON, MICHAEL D.
Executed: 2013-08-28
PARK, JUNG MIN
Executed: 2013-08-26
AREND, MICHAEL P.
Executed: 2013-08-27
Assignee
FIBROGEN, INC.
409 ILLINOIS ST., SAN FRANCISCO, CALIFORNIA, 94158
Covered Property
(1)
Process for Making Isoquinoline Compounds
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 →