JC

John A. Cengel

S( Standard Oil Company (Indiana): 4 patents #64 of 576Top 15%
AM Amoco: 1 patents #610 of 1,251Top 50%
📍 Wheaton, IL: #199 of 884 inventorsTop 25%
🗺 Illinois: #17,877 of 84,256 inventorsTop 25%
Overall (All Time): #1,062,253 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4940552 Passivation of polyamine dispersants toward fluorohydrocarbon compositions Peter G. Pappas 1990-07-10
4514190 Synthetic fuel composition Thomas J. Cousineau 1985-04-30
4464277 Synthetic lubricant composition Thomas J. Cousineau 1984-08-07
4455244 Oxidized mannich condensation product Granville L. Smyser 1984-06-19
4379064 Oxidative passivation of polyamine-dispersants Mark W. Hunt, Joseph S. Strukl, Peter G. Pappas 1983-04-05