Granted Patent
Utility
US 4,518,433 · App. 06/440,118
Enteric coating for pharmaceutical dosage forms
Inventors:
Emanuel J. McGinley, Domingo C. Tuason
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Nov 8, 1982
Inventors
Emanuel J. McGinley
Domingo C. Tuason
Assignee (at issue)
FMC 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.