Patent Assignment
Reel/Frame 005709/0875
Assignment of Assignors Interest.
Recorded: 1991-05-20
Pages: 2
Assignor
CIBA-GEIGY AG
Executed: 1991-04-24
Assignee
CIBA-GEIGY CORPORATION A CORP. OF NEW YORK
444 SAW MILL RIVER ROAD, ARDSLEY, NEW YORK, 10502
Covered Property
(1)
Process for the Preparation of 4,4'-Dinitrostilbene-2,2-Disulfonic Acid
Patent:
5,041,632 →
Application:
07/203,850 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.