IP Library › Assignment 015296/0063
Patent Assignment
Reel/Frame 015296/0063

Assignment of Assignor's Interest

Recorded: 2004-04-30 Pages: 4
Assignor
YUAN, YOUXIN
Executed: 2004-04-27
Assignee
POROGEN LLC
238 ANDOVER STREET, WILMINGTON, MASSACHUSETTS, 01887
Covered Property (1)
Preparation of Porous Poly(Aryl Ether) Articles and Use Thereof
Patent: 7,229,580 →
Application: 10/836,049 →
Publication: US 2004/0222148
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 29, 2005
From: POROGEN, LLC
To: POROGEN CORPORATION
Reel/Frame 015835/0875 →
Assignment of Assignor's Interest Jun 6, 2013
From: POROGEN CORPORATION
To: MASSACHUSETTS DEVELOPMENT FINANCE AGENCY
Reel/Frame 030556/0580 →