Patent Assignment
Reel/Frame 005710/0251
Assignment of Assignors Interest.
Recorded: 1991-05-17
Pages: 2
Assignors
HEIBER, SONIA
Executed: 1991-05-16
PATEL, DINESH
Executed: 1991-05-16
EBERT, CHARLES D.
Executed: 1991-05-16
Assignee
THERATECH, INC. A CORP. OF UT
410 CHIPETA WAY, SALT LAKE CITY, UTAH, 84108
Covered Property
(1)
Sorbitan Esters as Skin Permeation Enhancers
Patent:
5,122,383 →
Application:
07/702,043 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 29, 1993
From: THERATECH, INC., A UTAH CORPORATION
To: THERATECH, INC. A DELAWARE CORPORATION
Reel/Frame 006593/0511 →
Change of Name
May 8, 2000
From: THERATECH, INC.
To: WATSON LABORATORIES, INC. - UTAH
Reel/Frame 010804/0959 →
Assignment of Assignor's Interest
May 8, 2000
From: WATSON LABORATORIES, INC., A CORPORATION OF UTAH
To: WATSON PHARMACEUTICALS, INC.
Reel/Frame 010804/0963 →