Granted Patent
Utility
US 5,643,465 · App. 08/525,698
Process for reducing the content of halogen-containing organic compounds in aqueous systems
Inventor:
Theo Stalberg
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Sep 22, 1995
Inventor
Theo Stalberg
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.