Granted Patent
Utility
US 4,243,405 · App. 05/826,263
Fungicidal compounds
Inventors:
Sugavanam Balasubramanyan, Margaret C. Shephard
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Aug 19, 1977
Inventors
Sugavanam Balasubramanyan
Margaret C. Shephard
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.