Granted Patent
Utility
US 4,654,384 · App. 06/570,254
Basic water-soluble bis-(.beta.-azo-.alpha.-naphtholamino)-triazine compounds
Inventors:
Visvanathan Ramanathan, Peter Mockli
Patented Case
View Patent ↗
Granted: Mar 31, 1987
Filed: Jan 12, 1984
Inventors
Visvanathan Ramanathan
Peter Mockli
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.