Granted Patent
Utility
US 5,648,095 · App. 08/190,022
Preparation of microparticles
Inventors:
Lisbeth Illum, Olufunmiloyo Lilly Johnson
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Jul 8, 1994
Inventors
Lisbeth Illum
Olufunmiloyo Lilly Johnson
Assignee (at issue)
Danbiosyst UK Limited
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.