Granted Patent
Utility
US 5,480,976 · App. 08/320,085
Reactive dyes containing a vinylsulfonyl-substituted 2-aminonaphthalene coupling component and a haloacryloylaniline diazo component or the like
Inventors:
Athanassios Tzikas, Claudia Carisch
Patented Case
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Granted: Jan 2, 1996
Filed: Oct 7, 1994
Inventors
Athanassios Tzikas
Claudia Carisch
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.