Granted Patent
Utility
US 4,530,292 · App. 06/597,276
Treatment of acidic organic and alkaline inorganic wastes
Inventors:
Nigel Gareth Hugh Guilford, Alan P. Cadotte
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Apr 6, 1984
Inventors
Nigel Gareth Hugh Guilford
Alan P. Cadotte
Assignee (at issue)
Tricil Limited
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.