FS

Frederick J. Sibert

NC Nalco Chemical: 2 patents #225 of 631Top 40%
📍 Chicago, IL: #5,168 of 13,327 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,335,943 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4734203 Copper chelants/dispersants and their applications for boiler internal treatment Mei-Jan L. Lin 1988-03-29
4363752 Catalyst of activated copper-zinc alloy and its use in hydrating acrylonitrile Louis A. Goretta 1982-12-14