Granted Patent
Utility
US 6,579,669 · App. 10/021,703
Method to reduce corrosivity of photographic processing effluent
Inventors:
Eric R. Schmittou, Cynthia A. Salsedo
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Oct 30, 2001
Inventors
Eric R. Schmittou
Cynthia A. Salsedo
Assignee (at issue)
EASTMAN KODAK COMPANY
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.