IP Library Assignment 008150/0784
Patent Assignment
Reel/Frame 008150/0784

Assignment of Assignor's Interest

Recorded: 1996-09-20 Pages: 2
Assignors
ZINKE, HORST
Executed: 1993-04-26
SCHUMACHER, ROLF
Executed: 1993-04-30
Assignee
CIBA-GEIGY CORPORATION
P.O. BOX 2005, 520 WHITE PLAINS ROAD, TARRYTOWN, NEW YORK, 10591
Covered Property (1)
Bisdithiophosphoric Acid Derivatives as Lubricant Additives
Patent: 6,380,139 →
Application: 08/451,378 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008453/0107 →