Granted Patent
Utility
US 4,330,675 · App. 06/060,165
Halogenated esters
Inventor:
Roger K. Huff
Patented Case
View Patent ↗
Granted: May 18, 1982
Filed: Jul 24, 1979
Inventor
Roger K. Huff
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.