Granted Patent
Utility
US 5,621,116 · App. 08/429,445
1-amino-3,3-bis(thienylalkyl)-1,3-dihydro-2H-indol-2-ones
Inventors:
Richard C. Effland, David G. Wettlaufer
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Apr 27, 1995
Inventors
Richard C. Effland
David G. Wettlaufer
Assignee (at issue)
Hoechst Marion Roussel
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.