Granted Patent
Utility
US 5,484,898 · App. 08/241,217
Fibre-reactive disazo dyes which contain three triazine groups
Inventors:
Rolf Deitz, Athanassios Tzikas
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: May 10, 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.