DD

Dawid J. Duvenhage

RU Res Usa: 8 patents #12 of 39Top 35%
RE Rentech: 5 patents #10 of 35Top 30%
SL Sasol Technology (Pty.) Limited: 1 patents #48 of 113Top 45%
📍 Evergreen, CO: #34 of 385 inventorsTop 9%
🗺 Colorado: #2,877 of 40,980 inventorsTop 8%
Overall (All Time): #321,602 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10086366 Promoted, attrition resistant, silica supported precipitated iron catalyst Belma Demirel 2018-10-02
9669390 Catalyst for low temperature slurry bed Fischer-Tropsch synthesis Christine Schmidt, Mark Still, Khalid Azzam, Karl Kharas, Sara Hunegnaw +3 more 2017-06-06
9649610 Protected Fischer-Tropsch catalyst and method of providing same to a Fischer-Tropsch process Harold A. Wright, Belma Demirel, Sergio Mohedas, Bahman Rejai, Ray J. Huang +3 more 2017-05-16
9550172 Promoted, attrition resistant, silica supported precipitated iron catalyst Belma Demirel 2017-01-24
9522372 Protected Fischer-Tropsch catalyst and method of providing same to a Fischer-Tropsch process Harold A. Wright, Belma Demirel, Sergio Mohedas, Bahman Rejai, Ray J. Huang +3 more 2016-12-20
9018128 Promoted, attrition resistant, silica supported precipitated iron catalyst Belma Demirel 2015-04-28
8946114 Stable ferrous-ferric nitrate solutions for fischer-tropsch catalyst preparation Pandurang V. Nikrad, Jesse W. Taylor, Richard A. Bley, Danny M. Dubuisson, Sara L. Rolfe +2 more 2015-02-03
8946108 Slurry bed Fischer-Tropsch catalysts with silica/alumina structural promoters Belma Demirel 2015-02-03
8791041 Slurry bed fischer-tropsch catalysts with silica/alumina structural promoters Belma Demirel 2014-07-29
8530366 Protected fischer-tropsch catalyst and method of providing same to a fischer-tropsch process Harold A. Wright, Belma Demirel, Sergio Mohedas, Bahman Rejai, Ray J. Huang +3 more 2013-09-10
8138115 Precipitated iron catalyst for hydrogenation of carbon monoxide Belma Demirel, Charles B. Benham, Jesse W. Taylor, Pandurang V. Nikrad, Sara L. Rolfe +2 more 2012-03-20
7968611 Precipitated iron catalyst for hydrogenation of carbon monoxide Belma Demirel, Charles B. Benham, Jesse W. Taylor, Pandurang V. Nikrad, Sara L. Rolfe +2 more 2011-06-28
7879756 Precipitated iron catalyst for hydrogenation of carbon monoxide Belma Demirel, Charles B. Benham, Jesse W. Taylor, Pandurang V. Nikrad, Sara L. Rolfe +2 more 2011-02-01
6683227 Resource recovery of waste organic chemicals by thermal catalytic conversion Gerald M. Platz, James C. Holste 2004-01-27
6653357 Method of modifying and controlling catalyst selectivity in a Fischer-Tropsch process Rafael Espinoza, Terry Shingles, Pieter Lesch Langenhoven 2003-11-25