Granted Patent
Utility
US 4,808,706 · App. 06/580,032
Fibre-reactive, fluoro-triazine containing dyestuffs
Inventor:
Herbert Seiler
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Feb 14, 1984
Inventor
Herbert Seiler
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.