DN

Douglas A. Nafis

UO Uop: 20 patents #148 of 1,854Top 8%
Overall (All Time): #220,925 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11123721 Trialkylphosphonium ionic liquids, methods of making, and alkylation processes using trialkylphosphonium ionic liquids Avram M. Buchbinder, Susie C. Martins, Donato Nucciarone 2021-09-21
10888857 Ionic liquid catalyst regeneration with reduced hydrogen amounts Elizabeth Carter, Bong-Kyu Chang, Hye Kyung Cho Timken, Huping Luo, Michael John Girgis 2021-01-12
10702798 Ionic liquid waste handling system Eric Leeton, Gregory J. Schrad, David S. Lafyatis, Matthew Lippmann 2020-07-07
10384988 Chloride management in ionic liquid alkylation processes Kurt Detrick, David A. Wegerer, Eric Leeton, Trung Pham 2019-08-20
10369556 Integrated process for gasoline production Tom N. Kalnes, Stuart Smith, Alakananda Bhattacharyya, Bryan K. Glover, Susie C. Martins 2019-08-06
9914675 Process for alkylation using ionic liquid catalysts Avram M. Buchbinder, Alakananda Bhattacharyya, Susie C. Martins 2018-03-13
9914674 Process for alkylation using low ionic liquid volume fraction Avram M. Buchbinder, Susie C. Martins, Erin M. Broderick, Paul T. Barger, Alakananda Bhattacharyya 2018-03-13
9815049 Selectivity of ionic liquid alkylation David S. Lafyatis, Sean Mueller, Zhanping Xu, Robert L. Mehlberg, Kurt Detrick +1 more 2017-11-14
9566578 Hydrochloric acid stripping process for ionic liquid regeneration process Michael Brendel, Avram M. Buchbinder, Paul Olson, Susie C. Martins, Kaitlin M. DeSalvo 2017-02-14
9434662 Integrated fluid catalytic cracking and alkylation process Trung Pham, Susie C. Martins 2016-09-06
9399604 Alkylation process using phosphonium-based ionic liquids Susie C. Martins, Alakananda Bhattacharyya 2016-07-26
9328036 Hydrocarbon conversion process including catalyst regeneration Susie C. Martins, Erin M. Broderick, Kaitlin M. DeSalvo, Stuart Smith, Alakananda Bhattacharyya 2016-05-03
9221043 Regeneration of an acidic catalyst by borane addition Erin M. Broderick, Alakananda Bhattacharyya, Susie C. Martins, Kaitlin M. DeSalvo 2015-12-29
9156747 Alkylation process using phosphonium-based ionic liquids Susie C. Martins, Alakananda Bhattacharyya 2015-10-13
9156028 Alkylation process using phosphonium-based ionic liquids Susie C. Martins, Alakananda Bhattacharyya 2015-10-13
9120092 Regeneration of an acidic catalyst by silane addition Erin M. Broderick, Alakananda Bhattacharyya, Susie C. Martins, Kaitlin M. DeSalvo 2015-09-01
9096618 Regeneration of silyl and boryl compounds Susie C. Martins, Erin M. Broderick 2015-08-04
7875757 Combination reforming and isomerization process Gregory F. Maher, Lynn H. Rice, William D. Schlueter, Ralph D. Gillespie, Michelle J. Cohn 2011-01-25
7575668 Conversion of kerosene to produce naphtha and isobutane 2009-08-18
7435329 Combination reforming and isomerization process Gregory F. Maher, Lynn H. Rice, William D. Schlueter, Ralph D. Gillespie, Michelle J. Cohn 2008-10-14