Granted Patent
Utility
US 4,898,981 · App. 07/209,743
Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom
Inventors:
Robert A. Falk, Kirtland P. Clark, Athanasios Karydas
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Jun 20, 1988
Inventors
Robert A. Falk
Kirtland P. Clark
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.