Granted Patent
Utility
US 5,955,463 · App. 08/028,158
Quinazoline thymidylate synthase inhibitors
Inventors:
Stephen J. Pegg, James Michael Wardleworth
Patented Case
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Granted: Sep 21, 1999
Filed: Mar 9, 1993
Inventors
Stephen J. Pegg
James Michael Wardleworth
Assignees (at issue)
Zeneca Limited
British Technology Group Limited
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.