Granted Patent
Utility
US 6,254,801 · App. 09/274,205
Hardness-stabilizing percarboxylic acid solutions, a process for their preparation and their use
Inventors:
Andreas Reinold, Egon Walzer
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Mar 23, 1999
Inventors
Andreas Reinold
Egon Walzer
Assignee (at issue)
Degussa AG
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.