Granted Patent
Utility
US 5,559,234 · App. 08/468,101
Process for the manufacture of herbicidal 1-{[2-(cyclopropylcarbonyl)phyenyl]sulfamoyl}-3-(4,6-dialkoxy-2-pyrimidi nyl)urea compounds
Inventor:
Thomas Walter Drabb
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Jun 6, 1995
Inventor
Thomas Walter Drabb
Assignee (at issue)
American Cyanamid Company
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.