Granted Patent
Utility
US 6,284,874 · App. 08/261,406
Process for separating .alpha.1-proteinase inhibitor from cohn fraction IV1 and IV4 paste
Inventors:
T. (Tom) Taniguchi, John M. Rolf, Prabir Bhattacharya, Yahiro Uemura
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Jun 17, 1994
Inventors
T. (Tom) Taniguchi
John M. Rolf
Prabir Bhattacharya
Yahiro Uemura
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.