Granted Patent
Utility
US 5,795,980 · App. 08/789,325
Method of preparing ganglioside
Inventors:
Goro Hanagata, Susumu Miura, Kiyoshi Tatsumi
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Jan 23, 1997
Inventors
Goro Hanagata
Susumu Miura
Kiyoshi Tatsumi
Assignee (at issue)
SNOW BRAND 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.