Patent Assignment
Reel/Frame 004007/0167
Assignment of Assignors Interest.
Recorded: 1982-06-28
Pages: 1
Assignors
ALBRECHT, BERNHARD
Executed: 1980-01-09
FREY, HANS
Executed: 1980-01-09
HABERMACHER, VINZENZ
Executed: 1980-01-09
BEHRE, HORST
Executed: 1980-01-09
KIENITZ, LUTZ
Executed: 1980-01-09
SCHENK, WOLFGANG
Executed: 1980-01-09
STEFFAN, GUIDO
Executed: 1980-01-09
VOGEL, AXEL
Executed: 1980-01-09
Covered Property
(1)
Process for Producing the Magnesium Salt of 3-Nitro-Naphthalene-1,5- Disulfonic Acid (Nitro-Armstrong S Acid)
Patent:
4,348,334 →
Application:
06/113,412 →
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.
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 →