Granted Patent
Utility
US 6,465,220 · App. 09/217,306
Glycosylation using GalNac-T4 transferase
Inventors:
Frau Helle Hassan, Henrik Clausen, Eric Paul Bennett, Detlef Eisenkrätzer, Jochen Gätgens
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Dec 21, 1998
Inventors
Frau Helle Hassan
Henrik Clausen
Eric Paul Bennett
Detlef Eisenkrätzer
Jochen Gätgens
Assignee (at issue)
GlycoZym ApS
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.