JR

John C. Rohanna

Rohm And Haas: 3 patents #655 of 2,359Top 30%
DL Ddp Specialty Electronic Materials Us, Llc.: 1 patents #93 of 197Top 50%
Dow Global Technologies: 1 patents #2,632 of 4,534Top 60%
📍 Ambler, PA: #104 of 341 inventorsTop 35%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,144,405 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11370852 Making low-sodium resin Marvin H. Tegen, Alfred K. Schultz 2022-06-28
10428163 Sulfonation process Alfred K. Schultz 2019-10-01
10138124 Treating sulfuric acid Alfred K. Schultz 2018-11-27
9486798 Method for making anion exchange and chelant resins including aliphatic amino functional groups George D. Green, Alfred K. Schultz 2016-11-08