Granted Patent
Utility
US 4,433,027 · App. 06/448,553
Process for finishing textiles with alkoxylation products, and compositions for this
Inventors:
Hans Deiner, Bernhard Sandner
Patented Case
View Patent ↗
Granted: Feb 21, 1984
Filed: Dec 10, 1982
Inventors
Hans Deiner
Bernhard Sandner
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.