Granted Patent
Utility
US 6,509,004 · App. 09/506,682
Process for preparing contrast agents
Inventors:
Ingrid Henriksen, Vera Kasparkova, Arnfinn Andersen, Anne Kjersti Fahlvik, Liv Odegardstuen
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Feb 18, 2000
Inventors
Ingrid Henriksen
Vera Kasparkova
Arnfinn Andersen
Anne Kjersti Fahlvik
Liv Odegardstuen
Assignee (at issue)
Amersham Health AS
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.