Method of continuously dyeing fabrics containing blends of synthetic fibers and cellulosic fibers with premetallized dye and polyvinyl pyrrolison/styrene copolymer

Granted: Oct 13, 1987 Filed: Feb 12, 1986

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.