Granted Patent
Utility
US 4,272,506 · App. 06/071,526
Purification of reagents by disulfide immobilization
Inventor:
Moshe Schwarzberg
Patented Case
View Patent ↗
Granted: Jun 9, 1981
Filed: Aug 31, 1979
Inventor
Moshe Schwarzberg
Assignee (at issue)
Syva Company
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.