IP Library › Assignment 003942/0568
Patent Assignment
Reel/Frame 003942/0568

Assignment of Assignors Interest.

Recorded: 1982-01-13 Pages: 1
Assignors
STEIGER, ROLF
Executed: 1981-02-02
REBER, JEAN-FRANCOIS
Executed: 1981-02-02
Assignee
CIBA-GEIGY AG, A COMPANY OF SWITZERLAND
KLYBECKSTRASSE 141, 4002 BASEL, SWITZERLAND
Covered Property (1)
Photographic Negative Material with at Least One Layer Containing a Desensitised Silver Halide Emulsion
Patent: 4,326,021 →
Application: 06/233,411 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. May 1, 1984
From: CIBA-GEIGY AG A CORP OF SWITZERLAND
To: H.A. WHITTEN & CO.
Reel/Frame 004252/0573 →
Assignment of Assignors Interest. Aug 25, 1989
From: H.A. WHITTEN & CO.
To: CIBA-GEIGY AG
Reel/Frame 005184/0184 →
Assignment of Assignors Interest. Jan 7, 1991
From: CIBA-GEIGY AG
To: ILFORD AG, A CO. OF SWITZERLAND
Reel/Frame 005570/0524 →