Patent Assignment
Reel/Frame 005642/0950
Assignment of Assignors Interest.
Recorded: 1991-03-25
Pages: 2
Assignee
CIBA-GEIGY CORPORATION
444 SAW MILL RIVER RD., A CORP. OF NY, ARDSLEY, NEW YORK
Covered Property
(1)
Wettable, Flexible, Oxygen Permeable Contact Lens Containing Block Copolymer Polysiloxane-Polyoxyalkylene Backbone Units and Use Thereof
Patent:
5,070,169 →
Application:
07/342,848 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.