Granted Patent
Utility
US 6,589,547 · App. 09/601,986
Sustained-release preparation for AII antagonist, production and use thereof
Inventors:
Yasutaka Igari, Akira Saikawa, Yoshiyuki Inada, Shigeru Kamei
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Aug 9, 2000
Inventors
Yasutaka Igari
Akira Saikawa
Yoshiyuki Inada
Shigeru Kamei
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.