Granted Patent
Utility
US 4,748,237 · App. 07/036,725
Increasing cyclodextrin yields by the addition of various solutes to starch feedstocks
Inventors:
Ronald P. Rohrbach, Dale Scherl
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Apr 10, 1987
Inventors
Ronald P. Rohrbach
Dale Scherl
Assignee (at issue)
UOP LLC
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.