Patent Assignment
Reel/Frame 005053/0419
Assignment of Assignors Interest.
Recorded: 1989-03-09
Pages: 2
Assignor
CASKEY, DOUGLAS C.
Executed: 1989-03-03
Assignee
MALLINCKRODT, INC.
675 MCDONNELL BLVD., A CORP. OF DE, ST. LOUIS,, MISSOURI, 63134
Covered Property
(1)
Process for Producing 2-Ethylhexyl-P-Methoxycinnamate
Patent:
4,970,332 →
Application:
07/321,273 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
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.
Oct 13, 1992
From: MALLINCKRODT SPECIALTY CHEMICALS COMPANY
To: ISP VAN DYK INC.
Reel/Frame 006298/0545 →