Patent Assignment
Reel/Frame 004195/0298
Assignment of Assignors Interest.
Recorded: 1983-11-21
Pages: 1
Assignor
SPIVACK, JOHN D.
Executed: 1983-01-10
Assignee
CIBA-GEIGY CORPORATION A CORP OF NY
444 SAW MILL RIVER ROAD, ARDSLEY, NEW YORK
Covered Property
(1)
Alkylated 2,2'-Biphenylene Phosphonates and Stabilized Compositions
Patent:
4,433,087 →
Application:
06/267,116 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.