Granted Patent
Utility
US 5,616,693 · App. 08/673,064
Process for seperating alpha-1-proteinase inhibitor from COHN IV.sub.1 +1V.sub.4 paste
Inventors:
Duk Sung Hwang, Evelyn Nario, Mark Lepe, Lyndon Luz, Hirokazu Ito, Kazuo Takechi
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Jul 1, 1996
Inventors
Duk Sung Hwang
Evelyn Nario
Mark Lepe
Lyndon Luz
Hirokazu Ito
Kazuo Takechi
Assignee (at issue)
Alpha Therapeutic Corporation
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.