Granted Patent
Utility
US 4,623,680 · App. 06/740,351
Aqueous epoxy resin dispersions for can coating use
Inventors:
Farah D. Azarnia, Jimmy D. Elmore
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Jun 3, 1985
Inventors
Farah D. Azarnia
Jimmy D. Elmore
Assignee (at issue)
Celanese GmbH
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.