Granted Patent
Utility
US 6,444,615 · App. 09/551,345
Herbicidal imidazolidinetrione and thioxo-imidazolidinediones
Inventors:
Bin Li, Ying Man, Zongjian Zhang, Adam C. Hsu
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Apr 18, 2000
Inventors
Bin Li
Ying Man
Zongjian Zhang
Adam C. Hsu
Assignee (at issue)
DOW AGROSCIENCES LLC
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.