Monoaso compounds containing a fluoro-triazinyl group linked with a fiber-reactive group of the vinyl sulfone series via an ethyl-n-methyly-amino group, suitable as dyestuffs

Granted: Sep 26, 2000 Filed: Apr 13, 1999

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.