IP Library Assignment 005693/0705
Patent Assignment
Reel/Frame 005693/0705

Assignment of Assignors Interest.

Recorded: 1991-05-06 Pages: 2
Assignor
CIBA-GEIGY AG
Executed: 1991-04-05
Assignee
CIBA-GEIGY CORPORATION A CORP. OF NEW YORK
444 SAW MILL RIVER ROAD, ARDSLEY, NEW YORK, 10502
Covered Property (1)
Preparation of Aqueous Concentrates of Yellow Azo and Azoxystilbene Dyes Utilizing Alkanolamine Salts
Patent: 5,041,539 →
Application: 07/370,089 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. May 6, 1991
From: TZIKAS, ATHANASSIOS; HERZIG, PAUL; MARKERT, JURGEN
To: CIBA-GEIGY AG
Reel/Frame 005693/0703 →
Assignment of Assignor's Interest Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008519/0545 →