Granted Patent
Utility
US 6,765,115 · App. 10/129,169
Method for preparing dimetal sulfonyl amide salts
Inventor:
Hanne Anna Katharina Blau
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: May 1, 2002
Inventor
Hanne Anna Katharina Blau
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.