Granted Patent
Utility
US 6,267,979 · App. 09/139,521
Chelators in combination with biocides: treatment of microbially induced biofilm and corrosion
Inventors:
Issam Raad, Robert Sherertz
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: Aug 25, 1998
Inventors
Issam Raad
Robert Sherertz
Assignees (at issue)
WAKE FOREST UNIVERSITY
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
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.