Granted Patent
Utility
US 5,124,467 · App. 07/556,068
Perfluoroalkypolyoxyalkylpolysiloxane surfactants
Inventors:
Juliana Rodgers, Athanasios Karydas
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Jul 20, 1990
Inventors
Juliana Rodgers
Athanasios Karydas
Assignee (at issue)
Ciba-Geigy
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.