Granted Patent
Utility
US 6,566,297 · App. 09/801,029
Aminonitrile production
Inventor:
Alex Sergey Ionkin
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Mar 7, 2001
Inventor
Alex Sergey Ionkin
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.