Granted Patent
Utility
US 5,258,504 · App. 07/957,811
Process for the purification of streptolysin O, intact streptolysin O obtainable by this process
Inventors:
Harald Althaus, Peter Merle
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Oct 8, 1992
Inventors
Harald Althaus
Peter Merle
Assignee (at issue)
Behringwerke Aktiengesellschaft
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.