IP Library Assignment 006933/0287
Patent Assignment
Reel/Frame 006933/0287

Assignment of Assignor's Interest

Recorded: 1994-04-06 Pages: 3
Assignor
CIBA-GEIGY CORPORATION
Executed: 1994-03-31
Assignee
CIBA-GEIGY AG
PATENT DEPARTMENT KLYBECKSTRASSE 141, BASLE, 4001, SWITZERLAND
Covered Property (1)
Process for the Preparation of Concentrated Aqueous, Substantially Salt-Free Solutions of Aminotriazinyl Reactive Dyes,Aqueous Dye Solutions Produced Therby Amd Process of Dyeing
Patent: 4,955,987 →
Application: 06/805,601 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Jun 15, 1990
From: CIBA-GEIGY AG
To: CIBA-GEIGY CORPORATION
Reel/Frame 005340/0237 →
Change of Name May 17, 1999
From: CIBA-GEIGY AG (NOVARTIS AG)
To: CIBA SPECIALTY CHEMICALS HOLDING INC.
Reel/Frame 009958/0336 →