Granted Patent
Utility
US 4,268,675 · App. 06/055,228
3-[5-[1-(Dihalophenoxy)alkyl, alkynyl, alkenyl, or haloalkyl]-1,3,4-thiadiazol-2-yl]-4-hydroxy-1-methyl-2-imidazolidinones
Inventor:
Jerome M. Lavanish
Patented Case
View Patent ↗
Granted: May 19, 1981
Filed: Jul 6, 1979
Inventor
Jerome M. Lavanish
Assignee (at issue)
PPG Industries, 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.