Granted Patent
Utility
US 5,728,554 · App. 08/419,669
Enzymatic synthesis of glycosidic linkages
Inventors:
Robert J. Bayer, Shawn DeFrees, Murray Ratcliffe
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Apr 11, 1995
Inventors
Robert J. Bayer
Shawn DeFrees
Murray Ratcliffe
Assignee (at issue)
Cytel 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.