Granted Patent
Utility
US 6,051,240 · App. 08/530,373
Method of separating protective components of Bordetella pertussis
Inventors:
Akihiro Suehara, Eiji Yamamoto, Shigeo Fujii
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Oct 13, 1995
Inventors
Akihiro Suehara
Eiji Yamamoto
Shigeo Fujii
Assignee (at issue)
Takeda Chemical Industries Ltd.
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.