Granted Patent
Utility
US 5,661,139 · App. 08/485,387
Bis-(2-aryl) hydrazones
Inventors:
Michael E. Lankin, David H. Shih, Dilip Wagle, San-Bao Hwang
Patented Case
View Patent ↗
Granted: Aug 26, 1997
Filed: Jun 7, 1995
Inventors
Michael E. Lankin
David H. Shih
Dilip Wagle
San-Bao Hwang
Assignee (at issue)
Alteon, Inc.
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.