Patent Assignment
Reel/Frame 004358/0855
Assignment of Assignors Interest.
Recorded: 1985-01-17
Pages: 1
Assignee
MALLINCKRODT, INC.
A CORP OF MO, ST. LOUIS, MISSOURI
Covered Property
(1)
Inhibiting Polymerization of Ethylenically Unsaturated Monomers
Patent:
4,638,079 →
Application:
06/692,080 →
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 Assignor's Interest
Jul 5, 1994
From: MALLINCKRODT CHEMICAL, INC.
To: ROHM AND HAAS COMPANY
Reel/Frame 007062/0533 →