Granted Patent
Utility
US 5,552,425 · App. 08/413,742
Synergistic water soluble preservative compositions of biocidal mixtures
Inventor:
John J. Merianos
Patented Case
View Patent ↗
Granted: Sep 3, 1996
Filed: Mar 30, 1995
Inventor
John J. Merianos
Assignee (at issue)
ISP Chemicals 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.