Patent Assignment
Reel/Frame 005422/0294
Assignment of Assignors Interest.
Recorded: 1990-08-24
Pages: 2
Assignor
GOLDENBERG, MERRILL
Executed: 1988-02-12
Assignee
CIBA-GEIGY CORPORATION
444 SAW MILL RIVER ROAD, A NY CORP., ARDSLEY, NEW YORK
Covered Property
(1)
Polyvinyl Alcohol Derivatives Containing Pendant Vinylic Monomer Reaction Product Units Bound Through Ether Groups and Hydrogel Contact Lenses Made Therefrom
Patent:
4,978,713 →
Application:
07/133,575 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.