Granted Patent
Utility
US 5,451,345 · App. 08/129,701
Chemical composition
Inventors:
Kevin Hatton, David Andrew Taylor, Peter T. Chasseaud, Terence James Smith
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Sep 30, 1993
Inventors
Kevin Hatton
David Andrew Taylor
Peter T. Chasseaud
Terence James Smith
Assignee (at issue)
Ciba-Geigy
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.