Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
QL

Quanchang Li — 33 Patents

ExxonMobil: 33 patents #261 of 10,161Top 3%
Overall (All Time): #105,480 of 4,157,543Top 3%
33 Patents All Time
Quanchang Li has been granted 33 US patents while listed as an inventor at ExxonMobil. The first was granted in 2013 and the most recent in May 2022. Quanchang Li ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%).

Patents per Year

Patents granted per year, 2013 to 2022Bar chart with a peak of 8 patents in 2019.peak 82013: 4 patents20132014: 1 patents20142015: 4 patents20152016: 1 patents20162017: 4 patents20172018: 5 patents20182019: 8 patents20192020: 4 patents20202021: 1 patents20212022: 1 patents2022

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11325111 Catalysts and methods of making the same Paul Podsiadlo, David C. Calabro, Kiara M. Benitez, Machteld M. W. Mertens, Scott J. Weigel +2 more 2022-05-10 $357,630,000
11111352 Methods of producing organosilica materials and uses thereof Huaxing Zhou, David C. Calabro 2021-09-07 $259,461,000
10661262 Aromatic hydrogenation catalysts and uses thereof Paul Podsiadlo, David C. Calabro, Jean W. Beeckman, Lei Zhang, Kiara M. Benitez +10 more 2020-05-26 $80,212,000
10647798 Spray-dried olefin polymerization catalyst compositions and polymerization processes for using the same Matthew W. Holtcamp, David C. Calabro, Gerardo J. Majano Sanchez, Machteld M. W. Mertens, Charles J. Harlan 2020-05-12 $109,158,000
10576453 Membrane fabrication methods using organosilica materials and uses thereof Dhaval A. Bhandari, Benjamin A. McCool 2020-03-03 $106,084,000
10544239 Organosilica materials and uses thereof David C. Calabro, Mobae Afeworki, Simon C. Weston, Matcheld Maria Wilfried Mertens, Tilman W. Beutel +3 more 2020-01-28 $178,907,000
10435514 Organosilica materials, methods of making, and uses thereof David C. Calabro, Ivy D. Johnson, Paul Podsiadlo, Simon C. Weston, Mobae Afeworki 2019-10-08 $199,646,000
10351639 Organosilica materials for use as adsorbents for oxygenate removal Machteld M. W. Mertens, Jo Ann M. Canich, Suzzy C. H. Ho 2019-07-16 $49,855,000
10294312 Olefin polymerization catalyst system comprising mesoporous organosilica support Matthew W. Holtcamp, Gregory S. Day, David F. Sanders, David C. Calabro, Machteld M. W. Mertens 2019-05-21 $108,420,000
10266622 Olefin polymerization catalyst system comprising mesoporous organosilica support Matthew W. Holtcamp, Matthew S. Bedoya, Charles J. Harlan, Machteld M. W. Mertens 2019-04-23 $306,431,000
10239967 Olefin polymerization catalyst system comprising mesoporous organosilica support Matthew W. Holtcamp, Matthew S. Bedoya, Charles J. Harlan, Machteld M. W. Mertens 2019-03-26 $314,772,000
10207249 Organosilica materials and uses thereof Preeti Kamakoti, David C. Calabro, Mary Kathryn Lee, Stephen M. Cundy, Kanmi Mao +3 more 2019-02-19 $155,000,000
10195600 Catalysts and methods of making the same Paul Podsiadlo, David C. Calabro, Kiara M. Benitez, Machteld M. W. Mertens, Scott J. Weigel +2 more 2019-02-05 $158,480,000
10183272 Adsorbent for heteroatom species removal and uses thereof Paul Podsiadlo, Jianxin Wu, Kiara M. Benitez, David C. Calabro 2019-01-22 $388,166,000
10155826 Olefin polymerization catalyst system comprising mesoporous organosilica support Matthew W. Holtcamp, Charles J. Harlan, Machteld M. W. Mertens 2018-12-18 $172,771,000
10047304 Aromatic hydrogenation catalysts and uses thereof Paul Podsiadlo, David C. Calabro, Jean W. Beeckman, Lei Zhang, Kiara M. Benitez +10 more 2018-08-14 $151,503,000
10022700 Organosilica materials and uses thereof Paul Podsiadlo, David C. Calabro, Lei Zhang, Kiara M. Benitez, Himanshu Gupta +10 more 2018-07-17 $137,682,000
10022701 Coating methods using organosilica materials and uses thereof Randall D. Partridge 2018-07-17 $137,682,000
9956541 Methods of separating aromatic compounds from lube base stocks Scott J. Weigel, Lei Zhang, Darryl D. Lacy, Paul Podsiadlo, David C. Calabro +2 more 2018-05-01 $199,403,000
9713788 Non-aqueous amine scrubbing for removal of carbon dioxide David C. Calabro, Lisa Saunders Baugh, Pavel Kortunov, Benjamin A. McCool, Michael Siskin +1 more 2017-07-25 $227,017,000
9610533 Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof Dennis G. Peiffer, David C. Calabro, Mobae Afeworki, Stephen M. Cundy 2017-04-04 $220,522,000
9533249 Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof Dennis G. Peiffer, David C. Calabro, Mobae Afeworki, Stephen M. Cundy 2017-01-03 $315,417,000
9533248 Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof Dennis G. Peiffer, David C. Calabro, Mobae Afeworki, Stephen M. Cundy 2017-01-03 $315,417,000
9333484 Reversible CO2 fixation via self-assembled siloxanes David C. Calabro, Dennis G. Peiffer, Mobae Afeworki, Stephen M. Cundy, Charanjit S. Paur +1 more 2016-05-10 $268,960,000
9186617 Non-aqueous amine scrubbing for removal of carbon dioxide David C. Calabro, Lisa Saunders Baugh, Pavel Kortunov, Benjamin A. McCool, Michael Siskin +1 more 2015-11-17 $87,468,000