IP Library › Assignment 006757/0716
Patent Assignment
Reel/Frame 006757/0716

Assignment of Assignor's Interest

Recorded: 1993-11-10 Pages: 2
Assignors
NICOPOULOS, ALEX
Executed: 1992-03-30
BIRRI, HANSPETER
Executed: 1992-03-30
HANIKA, GERHARD
Executed: 1992-03-30
Assignee
CIBA-GEIGY CORPORATION
444 SAW MILL RIVER ROAD, PATENT DEPARTMENT, ARDSLEY, NEW YORK, 10502
Covered Property (1)
Process for the Preparation of Highly Concentrated Solutions of Cationic Azo Dyes
Patent: 5,284,939 →
Application: 07/882,981 →
Related Assignments (2)
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 →
Assignment of Assignor's Interest Apr 2, 2007
From: CIBA SPECIALTY CHEMICALS CORPORATION
To: HUNTSMAN INTERNATIONAL LLC
Reel/Frame 019140/0871 →