Patent Assignment
Reel/Frame 009756/0749
Release of Security Interest
Recorded: 1999-02-11
Pages: 3
Assignor
HSU, YUNGTAI
Executed: 1999-02-10
Assignee
CONREX PHARMACEUTICAL CORP.
SUITE 120, 300 KIMBERTON ROAD, PHOENIXVILLE, PENNSYLVANIA, 19460
Covered Property
(1)
Transdermal and Trans-Membrane Delivery of Drugs
Patent:
5,023,252 →
Application:
07/449,117 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 4, 1991
From: HSIEH, DEAN
To: CONREX PHARMACEUTICAL CORPORATION, MALVERN, PA A CORP. OF NJ
Reel/Frame 005617/0338 →
Assignment of Assignor's Interest
May 23, 1997
From: CONREX PHARMACEUTICAL CORPORATION
To: HSU, YUNGTAI A.
Reel/Frame 008535/0134 →
Assignment of Assignor's Interest
Feb 22, 1999
From: CONREX PHARMACEUTICAL CORPORATION
To: BENTLEY PHARMACEUTICALS, INC.
Reel/Frame 009773/0825 →
Assignment of Assignor's Interest
Aug 11, 2008
From: BENTLEY PHARMACEUTICALS, INC.
To: CPEX PHARMACEUTICALS, INC.
Reel/Frame 021354/0941 →