Granted Patent
Utility
US 5,223,477 · App. 07/724,264
Single-package agricultural formulations combining immediate and time-delayed delivery of thiocarbamate herbicides and dichlormid as safener
Inventors:
Herbert B. Scher, Marius Rodson, Jose Luis Calvo, Miguel Gimeno
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Jul 1, 1991
Inventors
Herbert B. Scher
Marius Rodson
Jose Luis Calvo
Miguel Gimeno
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.