Granted Patent
Utility
US 5,684,161 · App. 08/741,911
Process for preparing 1-substituted pyrrole-3-carboxylic acid derivatives
Inventors:
Masahiro Imoto, Akira Mizuno, Makoto Shibata, Tomoe Iwamori
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Oct 31, 1996
Inventors
Masahiro Imoto
Akira Mizuno
Makoto Shibata
Tomoe Iwamori
Assignee (at issue)
SUNTORY HOLDINGS LIMITED
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.