IP Library Assignment 005903/0780
Patent Assignment
Reel/Frame 005903/0780

Assignment of Assignors Interest.

Recorded: 1991-11-12 Pages: 2
Assignors
FALK, ROBERT A.
Executed: 1990-04-18
CLARK, KIRTLAND P.
Executed: 1990-04-18
Assignee
CIBA-GEIGY CORPORATION
A CORP. OF NEW YORK, 444 SAW MILL RIVER ROAD,, ARDSLEY, NEW YORK
Covered Property (1)
5,5-Bis (Perfluoroalkylheteromethyl)-2-Hydroxy-2-Oxo-1,3,2- Dioxaphosphorinanes, Derived Acyclic Phosphorus Acids and Salts or Esters Thereof
Patent: 5,091,550 →
Application: 07/513,356 →
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 008401/0515 →