Granted Patent
Utility
US 5,389,688 · App. 08/040,239
Water based microemulsion formulations
Inventor:
Kolazi S. Narayanan
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Mar 30, 1993
Inventor
Kolazi S. Narayanan
Assignee (at issue)
ISP INVESTMENTS LLC
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.