Granted Patent
Utility
US 5,376,450 · App. 07/953,293
Low surface acid intercalated graphite and method
Inventors:
Ronald Greinke, Richard I. Bretz
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Sep 30, 1992
Inventors
Ronald Greinke
Richard I. Bretz
Assignee (at issue)
UCAR Carbon Technology 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.