IP Library Assignment 005150/0206
Patent Assignment
Reel/Frame 005150/0206

Assignment of Assignors Interest.

Recorded: 1989-09-29 Pages: 1
Assignors
STEINBERG, DAVID H.
Executed: 1986-10-24
LUZZI, JOHN J.
Executed: 1986-10-24
Assignee
CIBA-GEIGY CORPORATION
444 SAW MILL RIVER ROAD, ARDSLEY, NEW YORK
Covered Property (1)
Process for Preparing Dithiobisphenols
Patent: 5,012,003 →
Application: 07/264,286 →
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 008454/0001 →