Granted Patent
Utility
US 4,330,469 · App. 06/210,505
Reactive dyes, processes for their manufacture and their use
Inventors:
Sandor Gati, Gerd Holzle
Patented Case
View Patent ↗
Granted: May 18, 1982
Filed: Nov 25, 1980
Inventors
Sandor Gati
Gerd Holzle
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.