Granted Patent
Utility
US 4,623,642 · App. 06/808,225
Novel n-phosphoryl- or n-thiophosphoryl-n's-triazinyl-formamidines
Inventors:
Odd Kristiansen, Jozef Drabek, Victor Fluck
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Dec 12, 1985
Inventors
Odd Kristiansen
Jozef Drabek
Victor Fluck
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.