Granted Patent
Utility
US 4,614,818 · App. 06/458,800
Process for the preparation of amino-fluoro-s-triazine dyes by reaction of cyanuric fluoride with an amino dye and an amide in one operation
Inventors:
Rolf Deitz, Herbert Seiler
Patented Case
View Patent ↗
Granted: Sep 30, 1986
Filed: Jan 18, 1983
Inventors
Rolf Deitz
Herbert Seiler
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.