Granted Patent
Utility
US 6,080,830 · App. 09/060,689
Products of the reaction between isocyanates and hydroxyl compounds for textile finishing
Inventors:
Franz Dirschl, Franz Mosch, Theodor Angele, Wilhelm Artner, Edeltraud Schidek, Erich Rossler
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Apr 15, 1998
Inventors
Franz Dirschl
Franz Mosch
Theodor Angele
Wilhelm Artner
Edeltraud Schidek
Erich Rossler
Assignee (at issue)
Ciba Specialty Chemicals Corporation
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.