Granted Patent
Utility
US 4,456,760 · App. 06/374,919
Process for the preparation of indoles
Inventors:
Fujio Matsuda, Takazo Kato, Tadamitsu Kiyoura
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: May 5, 1982
Inventors
Fujio Matsuda
Takazo Kato
Tadamitsu Kiyoura
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.