IP Library Assignment 005673/0616
Patent Assignment
Reel/Frame 005673/0616

Assignment of Assignors Interest.

Recorded: 1991-04-19 Pages: 2
Assignors
PRESTEL, HELMUT
Executed: 1990-08-24
MAUL, RUDOLF
Executed: 1990-08-24
Assignee
Covered Property (1)
Process for the Preparation of Benzotriazoles
Patent: 5,276,161 →
Application: 07/582,292 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008454/0067 →