Patent Assignment
Reel/Frame 004505/0235
Assignment of Assignors Interest.
Recorded: 1986-01-31
Pages: 1
Assignor
WHITE, CARL R.
Executed: 1985-11-26
Covered Property
(1)
Synthesis and Purification Od D-Propoxyphene Hydrochloride
Patent:
4,661,625 →
Application:
06/803,321 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Feb 14, 1986
From: MALCO, INC.
To: MALLINCKRODT, INC.
Reel/Frame 004572/0403 →
Assignment of Assignors Interest.
Feb 14, 1986
From: MALLINCKRODT, INC.
To: MALCO, INC., ST. LOUIS, MISSOURI A CORP. OF DE.
Reel/Frame 004572/0411 →
Assignment of Assignors Interest.
Dec 24, 1990
From: MALLINCKRODT, INC., A DE CORP.
To: MALLINCKRODT SPECIALTY CHEMICALS COMPANY, A DE CORP.
Reel/Frame 005602/0024 →