LL

Louis Leung

HC Hoechst Celanese: 2 patents #300 of 871Top 35%
📍 Sha Tin, CN: #748 of 2,424 inventorsTop 35%
Overall (All Time): #2,327,126 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4973629 Compositions of aromatic polybenzimidazoles and aromatic polyimides David J. Williams, Frank E. Karasz, William J. MacKnight, Michael Jaffe 1990-11-27
4973630 Compositions of aromatic polybenzimidazoles and aromatic polyetherimides David J. Williams, Frank E. Karasz, Michael Jaffe, William J. MacKnight 1990-11-27