Granted Patent
Utility
US 4,619,794 · App. 06/696,228
Spontaneous preparation of small unilamellar liposomes
Inventor:
Helmut Hauser
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Jan 29, 1985
Inventor
Helmut Hauser
Assignee (at issue)
Ciba-Geigy
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.