Granted Patent
Utility
US 4,883,871 · App. 07/240,167
Process for the preparation of 6-alkylthio-2,4-diamino-1,3,5-triazines
Inventor:
Klaus-Jurgen Coers
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Sep 2, 1988
Inventor
Klaus-Jurgen Coers
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.