Granted Patent
Utility
US 6,133,431 · App. 09/117,233
Adsorbent for immunoglobulins and complexes thereof, adsorption method, and adsorption device
Inventors:
Takamune Yasuda, Osamu Odawara, Eiji Ogino, Michio Nomura, Takahisa Nakai, Takashi Asahi, Nobutaka Tani
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Oct 20, 1998
Inventors
Takamune Yasuda
Osamu Odawara
Eiji Ogino
Michio Nomura
Takahisa Nakai
Takashi Asahi
Nobutaka Tani
Assignee (at issue)
KANEKA 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.