Granted Patent
Utility
US 6,306,862 · App. 08/983,127
Triterpene derivatives and pharmaceuticals for treating hepatic disorders
Inventors:
Kazue Sasaki, Nobuto Minowa, Shoji Nishiyama, Hiroyuki Kuzuhara
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Jun 1, 1998
Inventors
Kazue Sasaki
Nobuto Minowa
Shoji Nishiyama
Hiroyuki Kuzuhara
Assignee (at issue)
MEIJI SEIKA KAISHA, 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.