Granted Patent
Utility
US 4,528,110 · App. 06/506,597
Method of using alkyl monophosphoric acids as germicidal agents
Inventor:
Siegfried Bragulla
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Jun 22, 1983
Inventor
Siegfried Bragulla
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.