Granted Patent
Utility
US 4,545,919 · App. 06/525,842
Detergent composition for washing off dyeings obtained with fibre-reactive dyes and washing process comprising the use thereof
Inventor:
Heinz Abel
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Aug 24, 1983
Inventor
Heinz Abel
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.