Granted Patent
Utility
US 5,498,619 · App. 08/243,235
Aminoketone derivative and use thereof
Inventors:
Hideki Tanada, Kazuya Sakai, Seitaro Kajiya, Norio Ohto, Kazutoshi Horikomi, Akira Matsubara, Hideshi Shimizu, Akira Mizuchi
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: May 16, 1994
Inventors
Hideki Tanada
Kazuya Sakai
Seitaro Kajiya
Norio Ohto
Kazutoshi Horikomi
Akira Matsubara
Hideshi Shimizu
Akira Mizuchi
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.