Granted Patent
Utility
US 5,629,410 · App. 08/541,010
Reactive azo dyes containing an aminocarbonyl or aminosulfonyl bridge member
Inventors:
Rolf Deitz, Bernhard M uller, Athanassios Tzikas
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Oct 11, 1995
Inventors
Rolf Deitz
Bernhard M uller
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.