Granted Patent
Utility
US 6,683,094 · App. 10/170,050
Antihistaminic piperidine derivatives and intermediates for the preparation thereof
Inventors:
Timothy A. Ayers, Paul Brown
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Jun 12, 2002
Inventors
Timothy A. Ayers
Paul Brown
Assignee (at issue)
Aventis Pharmaceuticals 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.