Granted Patent
Utility
US 5,597,388 · App. 08/343,587
Process for fixation of dyes containing at least one polymerizable double bond by means of UV light
Inventor:
Katharina Fritzsche
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Dec 2, 1994
Inventor
Katharina Fritzsche
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.