Granted Patent
Utility
US 5,648,521 · App. 08/637,479
Process for the preparation of amidoperoxycarboxylic acids
Inventor:
Matthias Loffler
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Apr 25, 1996
Inventor
Matthias Loffler
Assignee (at issue)
Hoechst GmbH
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.