Granted Patent
Utility
US 6,740,667 · App. 10/421,844
Antimicrobial agent
Inventors:
Masaru Sato, Makoto Hadano
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Apr 24, 2003
Inventors
Masaru Sato
Makoto Hadano
Assignee (at issue)
Eisai 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.