Granted Patent
Utility
US 5,942,249 · App. 09/014,563
Composition for oral administration containing pyridazinone compounds
Inventors:
Toru Iwao, Tomoyo Seki, Nobuo Kondo, Yasuo Ueda
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Jan 28, 1998
Inventors
Toru Iwao
Tomoyo Seki
Nobuo Kondo
Yasuo Ueda
Assignees (at issue)
Green Cross Corporation
NISSAN 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.