Granted Patent
Utility
US 4,778,879 · App. 06/603,580
Highly purified human interleukin 2 and method
Inventors:
Roland Mertelsmann, Karl Welte, Salvatore Venuta
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Apr 25, 1984
Inventors
Roland Mertelsmann
Karl Welte
Salvatore Venuta
Assignee (at issue)
Sloan-Kettering Institute for Cancer Research
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.