Granted Patent
Utility
US 4,560,387 · App. 06/699,288
Aqueous formulations for dyeing and printing blended fabrics
Inventors:
Raymond Defago, Sabahattin Guz
Patented Case
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Granted: Dec 24, 1985
Filed: Feb 7, 1985
Inventors
Raymond Defago
Sabahattin Guz
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.