Granted Patent
Utility
US 6,337,057 · App. 09/338,532
Process for the direct production of germanium tetrachloride from hydrated germanate-containing solids using gaseous hydrogen chloride
Inventors:
Michael Philip Bohrer, Po-Yen Lu, Lawrence Seibles
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Jun 23, 1999
Inventors
Michael Philip Bohrer
Po-Yen Lu
Lawrence Seibles
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.