Granted Patent
Utility
US 6,180,400 · App. 08/793,770
Method of subculturing culturing avian cells at pH 7.8 or above
Inventors:
Takashi Kuwana, Koichiro Hashimoto, Akira Nakanishi
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: May 1, 1997
Inventors
Takashi Kuwana
Koichiro Hashimoto
Akira Nakanishi
Assignee (at issue)
Meiji Milk Products Co. 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.