Granted Patent
Utility
US 4,473,698 · App. 06/256,543
Process for the preparation of indoles
Inventors:
Fujio Matsuda, Takazo Kato, Tadatoshi Honda
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Apr 22, 1981
Inventors
Fujio Matsuda
Takazo Kato
Tadatoshi Honda
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.