Assignment of Assignors Interest.

Recorded: 1990-12-07 Pages: 2

Assignor

LANGFELD, HORST

Executed: 1988-10-19

Assignee

CIBA-GEIGY CORPORATION

444 SAW MILL RIVER ROAD, A CORP. OF NY, ARDSLEY, NEW YORK, 10502

Covered Property (1)

Process for the Preparation of Polyazo Dyes

Patent: 4,996,302 →

Application: 07/280,802 →

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.