Granted Patent
Utility
US 4,725,613 · App. 07/063,154
Synergistic microbiocidal composition containing a mixture of a N-alkyldimethylbenzyl ammonium halide and a bicyclicpolyoxymethylene oxazolidine
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: Jun 17, 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.