Earl J. Estopinal

CC Columbian Chemicals: 2 patents #10 of 42Top 25%

📍 Monroe, LA: #44 of 148 inventorsTop 30%

🗺 Louisiana: #3,194 of 10,876 inventorsTop 30%

Overall (All Time): #2,362,895 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4391789	Carbon black process	—	1983-07-05
4342736	Reduction of the degradation of refractories in a carbon black reactor	—	1982-08-03