Inventor · disambiguated record
James J. Steffens
Also filed as: STEFFENS JAMES J
4 granted patents·15 citations·filing 1981–1985
71Inventor score
Top patents by PatentIndex Score
4 records- 0155US4377408AHerbicidal derivatives of 5-phenoxy-4(3H)-quinazolinone-1-oxideRHONE POULENC AGROCHIMIE·Filed 1981·Granted Mar 22, 1983·4 cites·5 claims
- 0252US4666499AHerbicidal 2 methyl-4-phosphinylcinnolinium hydroxide inner saltsDU PONT·Filed 1985·Granted May 19, 1987·6 cites·2 claims
- 0350US4382814AHerbicidal derivatives of 5-phenoxy-2-nitrofuran-3-carboxylic acidRHONE POULENC AGROCHIMIE·Filed 1981·Granted May 10, 1983·3 cites·5 claims
- 0438US4494981AUse of certain pyrimido[5,4-e]-1,2,4-triazines for controlling the growth of unwanted plantsSHELL OIL CO·Filed 1983·Granted Jan 22, 1985·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →