IP Library Assignment 006179/0732
Patent Assignment
Reel/Frame 006179/0732

Assignment of Assignors Interest.

Recorded: 1992-07-16 Pages: 2
Assignors
DUBS, PAUL
Executed: 1990-09-10
STEGMANN, WERNER
Executed: 1990-09-10
LUISOLI, RETO
Executed: 1990-09-10
MARTIN, ROGER
Executed: 1990-09-10
Assignee
CIBA-GEIGY CORPORATION A CORP. OF NEW YORK
444 SAW MILL RIVER ROAD, ARDSLEY, NEW YORK, 10502
Covered Property (1)
Process for the Preparation of Hydroxbenzylphosphonates
Patent: 5,157,141 →
Application: 07/616,549 →
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 008412/0471 →