Granted Patent
Utility
US 5,981,740 · App. 08/979,454
Polymerizable cyclodextrin derivatives for use in dental applications
Inventor:
Rafael L. Bowen
Patented Case
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Granted: Nov 9, 1999
Filed: Nov 24, 1997
Inventor
Rafael L. Bowen
Assignee (at issue)
American Dental Association Health Foundation
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.