Granted Patent
Utility
US 5,753,487 · App. 08/556,963
Stabilised phenylalanine ammonia lyase
Inventors:
Peter Eigtved, Ib Groth Clausen
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Dec 12, 1995
Inventors
Peter Eigtved
Ib Groth Clausen
Assignee (at issue)
Novo Nordisk A/S
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.