Granted Patent
Utility
US 4,725,612 · App. 07/075,907
Synergistic microbiocidal compositions containing a mixture of a bicyclic polyoxymethylene oxazolidine and a 1,2-benzisothiazolin-3-one
Inventors:
Frederick R. Mahn, Lora J. Bogdany, Joseph J. Baron, Jr., Edward G. Knapick, Edward M. Antonucci
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: Jul 20, 1987
Inventors
Frederick R. Mahn
Lora J. Bogdany
Joseph J. Baron, Jr.
Edward G. Knapick
Edward M. Antonucci
Assignee (at issue)
Drew Chemical 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.