Granted Patent
Utility
US 5,889,110 · App. 08/473,303
Salts of peptides with carboxy-terminated polyesters
Inventor:
Francis G. Hutchinson
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jun 7, 1995
Inventor
Francis G. Hutchinson
Assignee (at issue)
Zeneca Limited
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.