Granted Patent
Utility
US 5,109,121 · App. 07/594,459
Method for recovering recombinant proteins
Inventors:
Galina Blum, Ren-der Yang, Eun Kyung Lee
Patented Case
View Patent ↗
Granted: Apr 28, 1992
Filed: Oct 9, 1990
Inventors
Galina Blum
Ren-der Yang
Eun Kyung Lee
Assignee (at issue)
Pitman-Moore, Inc.
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.