Granted Patent
Utility
US 5,221,735 · App. 07/837,292
Cyclodextrin-polyene inclusion complexes
Inventors:
Bruno Leuenberger, Hansjorg Stoller
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Feb 14, 1992
Inventors
Bruno Leuenberger
Hansjorg Stoller
Assignee (at issue)
HOFFMANN-LA ROCHE 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.