Granted Patent
Utility
US 5,132,406 · App. 07/348,139
Method of producing immunoglobulin preparations for intravenous injection
Inventors:
Yahiro Uemura, Katuhiro Uriyu, Kazuo Takechi, Yutaka Hirao, Tadakazu Suyama
Patented Case
View Patent ↗
Granted: Jul 21, 1992
Filed: May 5, 1989
Inventors
Yahiro Uemura
Katuhiro Uriyu
Kazuo Takechi
Yutaka Hirao
Tadakazu Suyama
Assignee (at issue)
Green Cross 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.