KS

Kevin A. Stevens

EX ExxonMobil: 15 patents #740 of 10,161Top 8%
Overall (All Time): #312,135 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12091476 On-line adjustment of catalysts by trim and olefin polymerization David F. Sanders, Matthew W. Holtcamp, Charles J. Harlan, Xuan Ye, Adriana S. Silva +2 more 2024-09-17
12043679 On-line adjustment of mixed catalyst ratio by trim and olefin polymerization with the same David F. Sanders, Matthew W. Holtcamp, Charles J. Harlan, Xuan Ye, Adriana S. Silva +2 more 2024-07-23
11976140 In-line trimming of dry catalyst feed David F. Sanders, Matthew W. Holtcamp, Joshua P. Olson 2024-05-07
11738334 Supported catalyst systems and processes for use thereof Matthew W. Holtcamp, Dongming Li, Jo Ann M. Canich, John R. Hagadorn, Ramyaa Mathialagan +1 more 2023-08-29
11712687 Catalyst systems and polymerization processes for using the same Matthew W. Holtcamp, Laughlin G. McCullough, David F. Sanders, Subramaniam Kuppuswamy, Matthew S. Bedoya 2023-08-01
11492428 Methods to produce heterogeneous polyethylene granules Xuan Ye, Jonathan J. Schaefer, Timothy M. Boller, Christopher S. Breiner, Chi-I Kuo +4 more 2022-11-08
11198747 Catalyst systems including two hafnocene catalyst compounds Matthew W. Holtcamp, Laughlin G. McCullough, Subramaniam Kuppuswamy, Matthew S. Bedoya 2021-12-14
11186601 Metallocene compounds having appended Lewis acids and polymerization therewith Matthew W. Holtcamp, Charles J. Harlan, Subramaniam Kuppuswamy, Matthew S. Bedoya 2021-11-30
11130827 Polyethylene compositions and articles made therefrom Dongming Li, Jian Yang, Yan Jiang, Gregory J. Smith-Karahalis 2021-09-28
11046796 Films made from polyethylene compositions and processes for making same Dongming Li, David M. Fiscus, Ching-Tai Lue, Matthew W. Holtcamp 2021-06-29
10926250 Catalyst systems and polymerization processes for using the same Matthew W. Holtcamp, Laughlin G. McCullough, David F. Sanders, Subramaniam Kuppuswamy, Matthew S. Bedoya 2021-02-23
10927205 Polymerization processes and polymers made therefrom Wen Li 2021-02-23
10899860 Polymerization processes and polymers made therefrom Adriana S. Silva, Matthew W. Holtcamp, Ryan W. Impelman, Richard E. Pequeno, Charles J. Harlan +1 more 2021-01-26
10865258 Mixed catalyst systems containing bridged metallocenes with a pendant group 13 element, processes for making a polymer product using same, and products made from same Matthew W. Holtcamp, Subramaniam Kuppuswamy, Matthew S. Bedoya, Ching-Tai Lue, Hasnain Rangwalla 2020-12-15
10851187 Bridged metallocene catalysts with a pendant group 13 element, catalyst systems containing same, processes for making a polymer product using same, and products made from same Matthew W. Holtcamp, Subramaniam Kuppuswamy, Matthew S. Bedoya 2020-12-01