Granted Patent
Utility
US 6,147,217 · App. 09/316,104
Synthesis of terfenadine and derivatives
Inventors:
Chris Hugh Senanayake, Qun Kevin Fang, Scott Harold Wilkinson
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: May 24, 1999
Inventors
Chris Hugh Senanayake
Qun Kevin Fang
Scott Harold Wilkinson
Assignee (at issue)
Sepracor, 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.