Granted Patent
Utility
US 4,422,967 · App. 06/379,853
Purification of calcitonin by partition chromatography
Inventors:
Ronald C. Orlowski, Charles M. Groginsky, Jay K. Seyler
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: May 19, 1982
Inventors
Ronald C. Orlowski
Charles M. Groginsky
Jay K. Seyler
Assignee (at issue)
Armour Pharmaceutical
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.