Patent Assignment
Reel/Frame 003836/0740
Assignment of Assignors Interest.
Recorded: 1980-10-23
Pages: 2
Assignee
MALLINCKRODT, INC., A CORP. OF MO
ST. LOUIS,, MISSOURI
Covered Property
(1)
Methods for Preparing Eutectic Mixtures of P-Hydroxybenzoic Acid Esters
Patent:
4,309,564 →
Application:
06/199,719 →
Related Assignments
(4)
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 →
Assignment of Assignors Interest.
Jun 11, 1991
From: MALLINCKRODT SPECIALTY CHEMICALS COMPANY
To: SUTTON LABORATORIES, INC.
Reel/Frame 005736/0292 →