Granted Patent
Utility
US 6,676,850 · App. 09/996,654
Method, composition and system for the controlled release of chlorine dioxide gas
Inventors:
Barry K. Speronello, Appadurai Thangaraj, Xiaolin Yang
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Nov 28, 2001
Inventors
Barry K. Speronello
Appadurai Thangaraj
Xiaolin Yang
Assignee (at issue)
Engelhard Corporation
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.