Patent Assignment
Reel/Frame 005336/0054
Assignment of Assignors Interest.
Recorded: 1990-06-11
Pages: 2
Assignors
IFF, WALTER
Executed: 1985-02-27
PARISOT, DANIEL
Executed: 1985-02-27
SCHALLER, HANS
Executed: 1985-02-27
Assignee
CIBA-GEIGY AG
KLYBECKSTRASSE 141, A CO. OF THE SWISS CONFEDERATION, 4002 BASLE, SWITZERLAND
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.
Sep 13, 1990
From: CIBA-GEIGY AG, A SWISS CO.
To: CIBA-GEIGY CORPORATION, 444 SAW MILL RIVER ROAD, ARDSLEY, NY 10502, A CORP. OF NY
Reel/Frame 005432/0585 →
Assignment of Assignor's Interest
Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008454/0001 →