Granted Patent
Utility
US 5,847,110 · App. 08/911,991
Method of reducing a schiff base
Inventors:
Paul R. Dragsten, Gregory J. H. Hansen
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Aug 15, 1997
Inventors
Paul R. Dragsten
Gregory J. H. Hansen
Assignee (at issue)
Biomedical Frontiers, 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.