MR

Mark Gerrit Roelofs

EA E.I. Du Pont De Nemours And: 17 patents #331 of 8,010Top 5%
SS Solvay Sa: 10 patents #4 of 433Top 1%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
📍 Earleville, MD: #2 of 14 inventorsTop 15%
🗺 Maryland: #669 of 35,612 inventorsTop 2%
Overall (All Time): #137,558 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
11374260 Nonaqueous electrolyte compositions comprising fluorinated sulfones Stephen E. Burkhardt, Kostantinos Kourtakis 2022-06-28
11316201 Additives to improve electrolyte performance in lithium ion battery Charles J. Dubois, Viacheslav A. Petrov 2022-04-26
11289738 Nonaqueous electrolyte compositions comprising lithium oxalato phosphates Samuel David Arthur, Stephen E. Burkhardt, Kostantinos Kourtakis, Brian Levy-Polis, Jun Liu 2022-03-29
10916805 Nonaqueous electrolyte compositions Xudong Chen, Charles J. Dubois, William L. Holstein, Kostantinos Kourtakis 2021-02-09
10686220 Nonaqueous electrolyte compositions Stephen E. Burkhardt, Xudong Chen, Charles J. Dubois, William L. Holstein, Kostantinos Kourtakis 2020-06-16
10673096 Nonaqueous electrolyte compositions comprising sultone and fluorinated solvent Stephen E. Burkhardt, Kostantinos Kourtakis, Jun Liu, Sang Hwan Kim 2020-06-02
10559850 Nonaqueous electrolyte compositions comprising cyclic sulfates Charles J. Dubois, Kostantinos Kourtakis, Jun Liu 2020-02-11
10205192 Nonaqueous electrolyte compositions comprising cyclic sulfates and lithium borates Charles J. Dubois, Kostantinos Kourtakis, Jun Liu 2019-02-12
10074874 Additives to improve electrolyte performance in lithium ion batteries Charles J. Dubois, Viacheslav A. Petrov 2018-09-11
9979050 Fluorinated electrolyte compositions William L. Holstein, Xudong Chen, Jun Liu 2018-05-22
9673450 Lithium ion battery Xudong Chen, Jun Liu 2017-06-06
9461312 Electrode for fuel cell, manufacturing method of electrode for fuel cell, polymer electrolyte fuel cell and catalyst ink Masanori Aimu, Randal L. Perry, Robert Clayton Wheland, Ralph Munson Aten 2016-10-04
9431661 Cathode catalyst layer, membrane electrode assembly and polymer electrolyte fuel cell and manufacturing method thereof Nobuaki Nonoyama, Masanori Aimu, Randal L. Perry, Robert Clayton Wheland, Ralph Munson Aten 2016-08-30
9391322 Cathode material and battery Jun Liu 2016-07-12
8664282 Process to prepare crosslinkable trifluorostyrene polymers and membranes Mark F. Teasley 2014-03-04
8617765 Chemically stabilized ionomers containing inorganic fillers 2013-12-31
7829603 Stable trifluorostyrene containing compounds grafted to base polymers, and their use as polymer electrolyte membranes Zhen-Yu Yang 2010-11-09
7737190 Process to prepare stable trifluorostyrene containing compounds grafted to base polymers using a solvent/water mixture Zhen-Yu Yang 2010-06-15
7563532 Trifluorostyrene containing compounds, and their use in polymer electrolyte membranes Biswajit Choudhury, Zhen-Yu Yang 2009-07-21
6667377 Polyvinylidene fluoride ionomers containing pendant fluoroalkylsulfonyl imide or fluoroalkylsulfonyl methide groups Andrew Edward Feiring, Christopher Marc Doyle, William B. Farnham, Paul Gregory Bekiarian, Hanne Anna Katharina Blau 2003-12-23
6268430 Ionomers and ionically conductive compositions Susan Kuharcik Choi, Christopher Marc Doyle, Lin Wang, Zhen-Yu Yang 2001-07-31
6140436 Fluorinated ionomers and their uses Christopher Marc Doyle, William B. Farnham, Andrew Edward Feiring, Peter A. Morken 2000-10-31
6100324 Ionomers and ionically conductive compositions Susan Kuharcik Choi, Christopher Marc Doyle, Lin Wang, Zhen-Yu Yang 2000-08-08
6033804 Highly conductive ion exchange polymer and process Christopher Marc Doyle, Mark E. Lewittes, Stephen A. Perusich, Govindarajulu Rajendran 2000-03-07
6025092 Fluorinated ionomers and their uses Christopher Marc Doyle, William B. Farnham, Andrew Edward Feiring, Peter A. Morken 2000-02-15