IP Library Assignment 005432/0585
Patent Assignment
Reel/Frame 005432/0585

Assignment of Assignors Interest.

Recorded: 1990-09-13 Pages: 2
Covered Property (1)
Preparation of 1:2 Chromium Complex Azo Dyes Asymmetrically Substituted with Solubilizing
Patent: 4,997,917 →
Application: 06/707,924 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Jun 11, 1990
From: IFF, WALTER; PARISOT, DANIEL; SCHALLER, HANS
To: CIBA-GEIGY AG
Reel/Frame 005336/0054 →
Assignment of Assignor's Interest Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008454/0001 →