Granted Patent
Utility
US 6,121,316 · App. 08/927,085
2-cyano-3,5-dihydroxyhex-2-enecarboxamide derivatives
Inventors:
Wilfried Schwab, Ruth Raiss
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Sep 10, 1997
Inventors
Wilfried Schwab
Ruth Raiss
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.