Pesticidally active 1-phenyl-1,3,5-triaza-4-sulfa-5-alkylsulfonyl and -phenylsulfonyl-pent-1-en derivatives

Granted: Jan 20, 1981 Filed: Jun 1, 1977

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.