IP Library Assignment 003973/0117
Patent Assignment
Reel/Frame 003973/0117

Assignment of Assignors Interest.

Recorded: 1982-04-19 Pages: 1
Assignors
BEFFA, FABIO
Executed: 1975-04-23
BACK, GERHARD
Executed: 1975-04-23
Assignee
CIBA-GEIGY CORPORATION, A CORP. OF NY
444 SAW MILL RIVER RD., ARDSLEY, NEW YORK
Covered Property (1)
Arylazoarylazo-Substituted Azo, Azomethine 1:2 Chromium Complex Dyes
Patent: 4,331,596 →
Application: 06/102,498 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008489/0517 →