DF

Darrell A. Fisher

HC Hoechst Celanese: 1 patents #468 of 871Top 55%
CG Celanese Gmbh: 1 patents #238 of 404Top 60%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,232,595 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6323364 Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile Pramod Agrawal, Hung-Cheun Cheung, Valerie Santillan, Mark O. Scates, Elaine C. Sibrel +1 more 2001-11-27
5783731 Removal of carbonyl impurities from a carbonylation process stream Michael L. Karnilaw, Kenneth Paul Kidwell, Melchior A. Meilchen, Valerie Santillan, Mark O. Scates +3 more 1998-07-21