RS

Ralph Spindler

AI Amcol International: 2 patents #11 of 25Top 45%
📍 Pittsburgh, PA: #41 of 404 inventorsTop 15%
🗺 Pennsylvania: #640 of 5,512 inventorsTop 15%
Overall (2002): #45,714 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6500411 Multifunctional particulate additive for personal care and cosmetic compositions, and the process of making the same Ashoke K. SenGupta, Jerald W. Darlington, Jr. 2002-12-31
6491953 Controlled release compositions and method Milan F. Sojka 2002-12-10