Granted Patent
Utility
US 4,136,125 · App. 05/863,028
Preparation of bis(pentachlorocyclopentadienyl)
Inventor:
Dennis Pelletier
Patented Case
View Patent ↗
Granted: Jan 23, 1979
Filed: Dec 21, 1977
Inventor
Dennis Pelletier
Assignee (at issue)
Hooker Chemicals & Plastics 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.