Patent Assignment
Reel/Frame 005617/0338
Assignment of Assignors Interest.
Recorded: 1991-03-04
Pages: 4
Assignor
HSIEH, DEAN
Executed: 1991-02-15
Covered Properties
(4)
Transdermal Delivery of Drugs
Application:
06/804,661 →
Transdermal Delivery of Drugs
Application:
06/899,049 →
Transdermal and Trans-Membrane Delivery of Drugs
Application:
07/138,830 →
Transdermal and Trans-Membrane Delivery of Drugs
Patent:
5,023,252 →
Application:
07/449,117 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
May 23, 1997
From: CONREX PHARMACEUTICAL CORPORATION
To: HSU, YUNGTAI A.
Reel/Frame 008535/0134 →
Release of Security Interest
Feb 11, 1999
From: HSU, YUNGTAI
To: CONREX PHARMACEUTICAL CORP.
Reel/Frame 009756/0749 →
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 →