Patent Assignment
Reel/Frame 004929/0238
Assignment of Assignors Interest.
Recorded: 1988-08-23
Pages: 1
Assignor
FRANKE, KARLHEINZ
Executed: 1984-11-05
Assignee
CIBA-GEICY AG, A COMPANY OF SWISS CONFEDERATION
KLYBECKSTRASSE 141, 4002 BASLE, SWITZERLAND
Covered Property
(1)
Process for the Production of Reactive Dyes by Adiabatic Reaction of Cyanuric Chloride with an Amino Group-Containing Dye at Elevated Temperature
Patent:
4,785,081 →
Application:
06/912,175 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 18, 1990
From: CIBA-GEIGY AG, A CORP. OF SWITZERLAND
To: H.A. WHITTEN & CO.
Reel/Frame 005454/0161 →
Assignment of Assignor's Interest
Nov 27, 1996
From: H.A. WHITTEN & COMPANY
To: CIBA-GEIGY SC HOLDING AG
Reel/Frame 008239/0783 →
A Corrective Assignment to Correct Assignee on Rell 8239, Frame 0783.
Sep 2, 1997
From: H.A. WHITTEN & COMPANY
To: CIBA SC HOLDING AG
Reel/Frame 008650/0844 →
Change of Name
Oct 16, 1997
From: CIBA SC HOLDING AG
To: CIBA SPECIALTY CHEMICALS HOLDING INC.
Reel/Frame 008753/0393 →