DK

Dmitry A. Krapchetov

Rohm And Haas: 12 patents #159 of 2,359Top 7%
Dow Global Technologies: 9 patents #497 of 4,534Top 15%
📍 Lansdale, PA: #115 of 839 inventorsTop 15%
🗺 Pennsylvania: #6,628 of 74,527 inventorsTop 9%
Overall (All Time): #399,745 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12397284 Process and catalyst for oxidative esterification with long-life catalyst Kirk W. Limbach, Christopher D. Frick, Wen-Sheng Lee, Victor J. Sussman, Jeffrey A. Herron 2025-08-26
11813593 Heterogeneous catalyst Kirk W. Limbach, Christopher D. Frick, Wen-Sheng Lee, Victor J. Sussman, Jeffrey A. Herron 2023-11-14
11691942 Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst Kirk W. Limbach, Daniel A. Hickman, Jeffrey A. Herron 2023-07-04
11498057 Heterogeneous catalyst Kirk W. Limbach, Christopher D. Frick, Wen-Sheng Lee, Victor J. Sussman, Jeffrey A. Herron 2022-11-15
10836699 Process for preparing methacrolein Reetam Chakrabarti, Mark A. Silvano, Jinsuo Xu 2020-11-17
10836698 Process for preparing methacrolein Reetam Chakrabarti, Charles Como, Sarah L. Hruby, Minh N. Ngo, Muhunthan Sathiosatham +1 more 2020-11-17
10829431 Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst Kirk W. Limbach, Christopher D. Frick, Daniel A. Hickman 2020-11-10
10829432 Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst Kirk W. Limbach, Christopher D. Frick, Daniel A. Hickman, Jeffrey A. Herron, Kurt D. Olson +3 more 2020-11-10
10829434 Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst Kirk W. Limbach, Daniel A. Hickman, Andrew T. Heitsch, Victor J. Sussman, Wen-Sheng Lee +1 more 2020-11-10
10829435 Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst James Elder, William G. Worley, Kirk W. Limbach, Daniel A. Hickman, Alexey Kirilin +2 more 2020-11-10
10745341 Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst Kirk W. Limbach, Daniel A. Hickman, Jeffrey A. Herron, Kurt W. Olson, D. Wayne Blaylock 2020-08-18
10723685 Process for preparing methacrolein Reetam Chakrabarti, Mark A. Silvano, Jinsuo Xu 2020-07-28