Granted Patent
Utility
US 4,778,889 · App. 07/043,720
2-amino-4-halogeno-6-cyclopropyl-1,3,5-triazines
Inventor:
Henry Szczepanski
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Apr 29, 1987
Inventor
Henry Szczepanski
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.