Granted Patent
Utility
US 6,570,038 · App. 09/591,426
Aqueous hexasubstituted guanidinium chlorides and methods for their preparation and use
Inventors:
Joseph John Caringi, Peter D. Phelps, Thomas Link Guggenheim, Daniel J. Brunelle
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Jun 9, 2000
Inventors
Joseph John Caringi
Peter D. Phelps
Thomas Link Guggenheim
Daniel J. Brunelle
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.