Granted Patent
Utility
US 6,759,429 · App. 10/352,067
Pyrrole derivatives
Inventors:
Teruhisa Tokunaga, William Hume, Makoto Kitoh, Ryu Nagata
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Jan 28, 2003
Inventors
Teruhisa Tokunaga
William Hume
Makoto Kitoh
Ryu Nagata
Assignee (at issue)
Sumitomo Pharmaceuticals Company Limited
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.