Granted Patent
Utility
US 5,545,753 · App. 08/218,694
Process for preparing anilines, catalysts used therefor and process for preparing same
Inventors:
Mitsuki Yasuhara, Yuuichirou Tatsuki, Mitsunori Nakamura, Fujihisa Matsunaga
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Mar 28, 1994
Inventors
Mitsuki Yasuhara
Yuuichirou Tatsuki
Mitsunori Nakamura
Fujihisa Matsunaga
Assignee (at issue)
Mitsui Petrochemical 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.