Granted Patent
Utility
US 4,182,915 · App. 05/762,068
Preparation of substituted aromatic compounds
Inventor:
Robert J. Harvey
Patented Case
View Patent ↗
Granted: Jan 8, 1980
Filed: Jan 24, 1977
Inventor
Robert J. Harvey
Assignee (at issue)
Halcon International, 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.