Granted Patent
Utility
US 4,492,710 · App. 06/421,030
Substituted pyrrolidinyl-benzoic acid derivatives and a process for their manufacture
Inventors:
Wulf Merkel, Dieter Bormann, Roman Muschaweck
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Sep 22, 1982
Inventors
Wulf Merkel
Dieter Bormann
Roman Muschaweck
Assignee (at issue)
Hoechst GmbH
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.