Granted Patent
Utility
US 5,017,565 · App. 07/340,868
Use of sulfated polysaccharides to inhibit pancreatic cholesterol esterase
Inventors:
Louis G. Lange, III, Curtis A. Spilburg
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Apr 20, 1989
Inventors
Louis G. Lange, III
Curtis A. Spilburg
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.