Patent Assignment
Reel/Frame 005379/0259
Assignment of Assignors Interest.
Recorded: 1990-07-23
Pages: 2
Assignors
WIRTH, HERMANN O.
Executed: 1989-05-10
FRIEDRICH, HANS-HELMUT
Executed: 1989-05-10
ABELER, GERD
Executed: 1989-05-10
Assignee
CIBA-GEIGY CORPORATION, A CORP. OF NY
444 SAW MILL RIVER ROAD,, ARDSLEY, NEW YORK, 10502
Covered Property
(1)
Propane-1,3-Dione Derivatives and Their Use as Stabilizers for Polymers Containing Chlorine
Patent:
5,071,898 →
Application:
07/360,801 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.