Granted Patent
Utility
US 5,459,274 · App. 08/242,395
Preparation of N-alkyl-N-pyridinyl-1H-indol-1-amines
Inventors:
Thomas B. K. Lee, Keith E. Goehring
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: May 13, 1994
Inventors
Thomas B. K. Lee
Keith E. Goehring
Assignee (at issue)
Hoechst Roussel Pharmaceuticals
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.