Granted Patent
Utility
US 4,415,658 · App. 06/298,440
Process for decomposing 2,4-dihydroxy-6-amino-s-triazine derivatives
Inventors:
Alasdair Cook, Ralf Hutter
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Sep 1, 1981
Inventors
Alasdair Cook
Ralf Hutter
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.