IP Library Assignment 004172/0950
Patent Assignment
Reel/Frame 004172/0950

Assignment of Assignors Interest.

Recorded: 1983-09-26 Pages: 1
Covered Property (1)
Perfluoralkyl Anion/Perfluoroalkyl Cation Ion Pair Complexes
Patent: 4,420,434 →
Application: 06/223,640 →
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 008454/0037 →