Granted Patent
Utility
US 5,004,749 · App. 07/340,935
Concentrated aqueous solution of glutaraldehyde and 1,2-benzisothiazolin-3-one
Inventors:
Russell J. Jerusik, Paul Mahon
Patented Case
View Patent ↗
Granted: Apr 2, 1991
Filed: Apr 20, 1989
Inventors
Russell J. Jerusik
Paul Mahon
Assignees (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
ICI Americas, Inc.
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.