Patent Assignment
Reel/Frame 004040/0555
Assignment of Assignors Interest.
Recorded: 1982-09-27
Pages: 1
Assignee
CIBA-GEIGY AG, A COMPANY OF SWITZERLAND
KLYBECKSTRASSE 141, 4002 BASLE, SWITZERLAND
Covered Property
(1)
Process for Production of Masked Positive Colour Images by the Silver Dye Bleach Process and the Silver Dye Bleach Material Used in This Process
Patent:
4,368,256 →
Application:
06/282,687 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jul 31, 1985
From: CIBA-GEIGY AG, A CORP OF SWITZERLAND
To: H.A. WHITTEN & CO., A PARTNERSHIP
Reel/Frame 004433/0985 →
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 →