Granted Patent
Utility
US 6,132,640 · App. 08/877,913
Quinoline derivative and use of same
Inventors:
Tadashi Okuma, Hideki Ikuta, Tatsuya Nagayoshi, Akira Ogiso, Hisato Ito
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jun 18, 1997
Inventors
Tadashi Okuma
Hideki Ikuta
Tatsuya Nagayoshi
Akira Ogiso
Hisato Ito
Assignee (at issue)
MITSUI CHEMICALS, INC.
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.