Granted Patent
Utility
US 4,876,334 · App. 07/150,695
Triazinyl reactive dyes in which the triazinyl is furter substituted with a reactive radical
Inventors:
Athanassios Tzikas, Paul Herzig
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Feb 1, 1988
Inventors
Athanassios Tzikas
Paul Herzig
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.