Granted Patent
Utility
US 4,308,244 · App. 06/134,857
Process for producing fluorine compounds and amorphous silica
Inventors:
Subhas K. Sikdar, James H. Moore
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Mar 28, 1980
Inventors
Subhas K. Sikdar
James H. Moore
Assignee (at issue)
Occidental Research Corporation
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.