IP Library Assignment 005739/0855
Patent Assignment
Reel/Frame 005739/0855

Assignment of Assignors Interest.

Recorded: 1991-06-20 Pages: 2
Assignor
CIBA-GEIGY AG
Executed: 1991-05-22
Assignee
CIBA-GEIGY CORPORATION A CORP. OF NEW
444 SAW MILL RIVER RD., ARDSLEY, NEW YORK, 10502
Covered Property (1)
Single-Stage Process for Producing Bis-(Amino-Nitrophenyl)-Methane
Patent: 5,047,591 →
Application: 07/241,828 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Jun 20, 1991
From: STEGMANN, WERNER
To: CIBA-GEIGY AG A COMPANY SWISS CONFEDERATION
Reel/Frame 005759/0853 →
Assignment of Assignor's Interest Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008519/0545 →