BR

Barbara R. Regan

AC American Colloid: 2 patents #2 of 5Top 40%
📍 Glenview, IL: #6 of 45 inventorsTop 15%
🗺 Illinois: #289 of 3,813 inventorsTop 8%
Overall (1989): #30,801 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4824901 Surface treated absorbent polymers William Alexander, Mark Anderson 1989-04-25
4820773 Water absorbent resins prepared by polymerization in the presence of styrene-maleic anhydride copolymers William Alexander, Mark Anderson 1989-04-11