Patent Assignment
Reel/Frame 004072/0854
Assignment of Assignors Interest.
Recorded: 1983-01-03
Pages: 1
Assignor
BREITSCHMID, HANS
Executed: 1978-03-09
Assignee
CIBA-GEIGY AG.
KLYBECKSTRASSE 141, 4002 BASLE, SWITZERLAND
Covered Property
(1)
Process for the Production of Naphthylaminehydroxysulphonic Acids
Patent:
4,376,737 →
Application:
06/051,659 →
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.
Nov 7, 1985
From: H. A. WHITTEN & CO.
To: CIBA-GEIGY LIMITED, KLYBECKSTRASSE 141, BASLE, SWITZERLAND, A COMPANY OF
Reel/Frame 004475/0337 →
Assignment of Assignors Interest.
Jan 31, 1986
From: CIBA-GEIGY AG, A SWISS COMPANY
To: BAYER AG, A COMPANY OF GERMANY
Reel/Frame 004504/0588 →