Patent Assignment
Reel/Frame 005635/0716
Assignment of Assignors Interest.
Recorded: 1991-03-15
Pages: 2
Assignor
CIBA-GEIGY AG
Executed: 1991-02-26
Assignee
CIBA-GEIGY CORPORATION, A CORP. OF NY
444 SAW MILL RIVER RD., ARDSLEY, NEW YORK, 10502
Covered Property
(1)
Modified Polyurethanes Containing Perfluoroaliphatic Groups and Use Thereof
Patent:
5,019,428 →
Application:
07/301,681 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 15, 1991
From: LUDEMANN, SIMPERT; BERNHEIM, MICHAEL; SANDNER, BERNHARD; ROSSLER, ERICH
To: CIBA-GEIGY AG, A SWISS COMPANY
Reel/Frame 005635/0714 →
Assignment of Assignor's Interest
Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008454/0001 →