Granted Patent
Utility
US 5,614,538 · App. 08/349,587
Synergistic antimicrobial composition containing pyrithione and alcohol
Inventor:
John D. Nelson
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Dec 5, 1994
Inventor
John D. Nelson
Assignee (at issue)
Olin 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.