Granted Patent
Utility
US 5,856,576 · App. 08/015,817
Aryne intermediates and a process for the preparation thereof
Inventors:
Philip M. Harrington, Kenneth Alfred Martin Kremer
Patented Case
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Granted: Jan 5, 1999
Filed: Jan 29, 1998
Inventors
Philip M. Harrington
Kenneth Alfred Martin Kremer
Assignee (at issue)
American Cyanamid Company
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.