Patent Assignment
Reel/Frame 005411/0457
Assignment of Assignors Interest.
Recorded: 1990-08-20
Pages: 2
Assignee
CIBA-GEIGY AG
KLYBECKSTRASSE 141, A SWISS COMPANY, BASLE, 4002, SWITZERLAND
Covered Property
(1)
Amino-Fluoro-S-Triazine Disazo Dyes of the H-Acid Series
Patent:
4,968,783 →
Application:
07/299,164 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 20, 1990
From: CIBA-GEIGY AG (A COMPANY OF SWITZERLAND)
To: CIBA-GEIGY CORPORATION
Reel/Frame 005456/0038 →
Assignment of Assignor's Interest
Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008447/0995 →
Assignment of Assignor's Interest
Apr 2, 2007
From: CIBA SPECIALTY CHEMICALS CORPORATION
To: HUNTSMAN INTERNATIONAL LLC
Reel/Frame 019140/0871 →