Granted Patent
Utility
US 4,605,422 · App. 06/815,192
Oil-in-alcohol microemulsion
Inventors:
Errol D. Goddard, Pak S. Leung
Patented Case
View Patent ↗
Granted: Aug 12, 1986
Filed: Dec 26, 1985
Inventors
Errol D. Goddard
Pak S. Leung
Assignee (at issue)
Union Carbide 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.