Granted Patent
Utility
US 5,338,857 · App. 07/839,434
Aminoketone derivatives of 1,2-oxazole and use thereof
Inventors:
Norio Ohto, Kazutoshi Horikomi, Akira Matsubara, Hideki Tanada, Kazuya Sakai, Seitaro Kajiya, Akira Mizuchi, Hideshi Shimizu
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Feb 24, 1992
Inventors
Norio Ohto
Kazutoshi Horikomi
Akira Matsubara
Hideki Tanada
Kazuya Sakai
Seitaro Kajiya
Akira Mizuchi
Hideshi Shimizu
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.