Granted Patent
Utility
US 5,493,036 · App. 08/308,481
Fibre-reactive anthraquinone dyes, their preparation and the use thereof
Inventor:
Jean-Marie Adam
Patented Case
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Granted: Feb 20, 1996
Filed: Sep 19, 1994
Inventor
Jean-Marie Adam
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.