PS

Paul N. Chen, Sr.

HC Hoechst Celanese: 1 patents #51 of 147Top 35%
📍 Charlotte, NC: #19 of 113 inventorsTop 20%
🗺 North Carolina: #217 of 1,241 inventorsTop 20%
Overall (1989): #71,449 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4842740 Membranes prepared from blend of polybenzimidazole with polyarylates Tai-Shung Chung, Vincent J. Provino 1989-06-27