Granted Patent
Utility
US 5,484,899 · App. 08/237,478
Fiber-reactive triazinyl dyes having a monoazo moiety with a 2,4-diaminobenzene sulfonic acid coupling component and a second chromophore
Inventors:
Rolf Deitz, Athanassios Tzikas
Patented Case
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Granted: Jan 16, 1996
Filed: May 3, 1994
Inventors
Rolf Deitz
Athanassios Tzikas
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.