IP Library Assignment 017159/0555
Patent Assignment
Reel/Frame 017159/0555

Assignment of Assignor's Interest

Recorded: 2006-02-13 Pages: 3
Assignors
ZHAO, HONG
Executed: 2006-02-02
MARTINEZ, ANTHONY J.
Executed: 2006-02-02
Assignee
ENZON PHARMACEUTICALS, INC.
685 ROUTE 202/206, BRIDGEWATER, NEW JERSEY, 08807
Covered Property (1)
Reacting Polyalkylene Oxide with Base, Tertiary Alkyl Haloacetate, Then Acid to Prepare Polyalkylene Oxide Carboxylic Acid
Patent: 7,989,554 →
Application: 11/328,662 →
Publication: US 2007/0173615
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 8, 2013
From: ENZON PHARMACEUTICALS, INC.
To: BELROSE PHARMA, INC.
Reel/Frame 030982/0692 →
Change of Address Feb 3, 2014
From: BELROSE PHARMA INC.
To: BELROSE PHARMA INC.
Reel/Frame 032152/0906 →