Granted Patent
Utility
US 4,311,605 · App. 06/189,486
Compositions for treating textiles
Inventors:
Claude Eckhardt, Richard von Rutte
Patented Case
View Patent ↗
Granted: Jan 19, 1982
Filed: Sep 22, 1980
Inventors
Claude Eckhardt
Richard von Rutte
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.