JS

James J. Steffens

RA Rhone-Poulenc Agrochimie: 2 patents #69 of 219Top 35%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
📍 Yardley, PA: #231 of 643 inventorsTop 40%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,305,695 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4666499 Herbicidal 2 methyl-4-phosphinylcinnolinium hydroxide inner salts John R. Ponte, Herbert Estreicher 1987-05-19
4494981 Use of certain pyrimido[5,4-e]-1,2,4-triazines for controlling the growth of unwanted plants Tariq A. Andrea, William W. John 1985-01-22
4382814 Herbicidal derivatives of 5-phenoxy-2-nitrofuran-3-carboxylic acid 1983-05-10
4377408 Herbicidal derivatives of 5-phenoxy-4(3H)-quinazolinone-1-oxide 1983-03-22