Granted Patent
Utility
US 5,460,630 · App. 08/278,596
Process for dyeing fibrous materials made of or containing wool
Inventors:
Philippe Ouziel, Martin Kuhn
Patented Case
View Patent ↗
Granted: Oct 24, 1995
Filed: Jul 21, 1994
Inventors
Philippe Ouziel
Martin Kuhn
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.