BG

Berwyn Green

ST Stepan: 1 patents #127 of 221Top 60%
Overall (All Time): #2,243,949 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6148774 Pour-in-place water heater foam insulation systems Paul Neill, Ralph Reish 2000-11-21
4546169 Process for preparation of polyester polyols utilizing polyalkylene terephthalate Larry L. Chandler, Thurston R. Friar 1985-10-08