Granted Patent
Utility
US 4,339,236 · App. 06/179,970
Low foam scouring agents
Inventors:
Quintin W. Decker, Erich Marcus, Harry T. Zika
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Aug 21, 1980
Inventors
Quintin W. Decker
Erich Marcus
Harry T. Zika
Assignee (at issue)
Union Carbide 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.