Granted Patent
Utility
US 6,159,501 · App. 09/051,964
Modified release multiple-units dosage composition for release of opioid compounds
Inventor:
Annette Skinhoj
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Jun 22, 1998
Inventor
Annette Skinhoj
Assignee (at issue)
NYCOMED DANMARK 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.