Granted Patent
Utility
US 4,746,504 · App. 06/840,419
Heavy metal salts of hyaluronic acid and their use as antimicrobial agents
Inventors:
Abraham Nimrod, Benjamin Greenman
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Mar 14, 1986
Inventors
Abraham Nimrod
Benjamin Greenman
Assignee (at issue)
Bio-Technology General 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.