Granted Patent
Utility
US 4,401,796 · App. 06/258,924
Solid-phase synthesis of polynucleotides
Inventor:
Keiichi Itakura
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Apr 30, 1981
Inventor
Keiichi Itakura
Assignee (at issue)
City of Hope Research Institute
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.