Assignment of Assignors Interest.

Recorded: 1991-05-20 Pages: 2

Assignor

GUGLIELMETTI, LEONARDO

Executed: 1988-05-18

Assignee

CIBA-GEIGY AG

KLYBECKSTRASSE 141, BASLE, 4002, SWITZERLAND

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.