Granted Patent
Utility
US 4,801,586 · App. 06/916,403
Penetration enhancers for transdermal delivery of systemic agents
Inventors:
Gevork Minaskanian, James V. Peck
Patented Case
View Patent ↗
Granted: Jan 31, 1989
Filed: Oct 7, 1986
Inventors
Gevork Minaskanian
James V. Peck
Assignee (at issue)
Nelson Research & Development Company
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.