Granted Patent
Utility
US 6,423,869 · App. 09/423,118
Polyol-amino acid compounds having anti-helicobacter pylori activity
Inventors:
Ken-ichiro Miyagawa, Shigetoshi Tsubotani, Masafumi Nakao, Yoshitaka Nakano, Keiji Kamiyama, Motoo Izawa, Yohko Akiyama, Yuji Nishikimi
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Nov 1, 1999
Inventors
Ken-ichiro Miyagawa
Shigetoshi Tsubotani
Masafumi Nakao
Yoshitaka Nakano
Keiji Kamiyama
Motoo Izawa
Yohko Akiyama
Yuji Nishikimi
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.