Granted Patent
Utility
US 4,559,150 · App. 06/519,931
Stable composition for treating textile substrates
Inventors:
Carl Becker, Fritz Heizler
Patented Case
View Patent ↗
Granted: Dec 17, 1985
Filed: Aug 3, 1983
Inventors
Carl Becker
Fritz Heizler
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.