Granted Patent
Utility
US 5,116,962 · App. 07/554,075
Material for affinity chromatography which is a sulfated polysaccharide bonded to an insoluble polymer
Inventors:
Werner Stuber, Eric-Paul Paques
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Jul 16, 1990
Inventors
Werner Stuber
Eric-Paul Paques
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.