RB

Ralph A. Butz

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Bridge City, TX: #84 of 155 inventorsTop 55%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,941,340 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4879043 Manufacture of high purity hydrogen peroxide by using reverse osmosis osmosis John H. Boughton, Herman C. T. Cheng, Jonathan R. Dennis, Brian T. Hannon, Janet Weigel 1989-11-07