Granted Patent
Utility
US 5,618,427 · App. 08/570,366
Composition and method for degradation of nitroaromatic contaminants
Inventors:
Alan George Seech, James Cairns, Igor J. Marvan
Patented Case
View Patent ↗
Granted: Apr 8, 1997
Filed: Dec 12, 1995
Inventors
Alan George Seech
James Cairns
Igor J. Marvan
Assignee (at issue)
W.R. Grace & Co. Conn.
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.