TP

Thomas M. Powanda

HC Hoechst Celanese: 2 patents #300 of 871Top 35%
Overall (All Time): #2,332,701 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4868329 Accelerated preparation of carboxylic acid esters Robert H. Imes, George L. Collins 1989-09-19
4859792 Accelerated preparation of esters Robert H. Imes, George L. Collins 1989-08-22