Dmitry A. Krapchetov has been granted 12 US patents while listed as an inventor at Rohm And Haas . The first was granted in 2020 and the most recent in August 2025. Dmitry A. Krapchetov ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Dmitry A. Krapchetov in Lansdale, PA, US.
Patents per Year Patents granted per year, 2020 to 2025 Bar chart with a peak of 8 patents in 2020. peak 8 2020: 8 patents 2020 2022: 1 patents 2022 2023: 2 patents 2023 2025: 1 patents 2025 Issued Patents All Time
Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date
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
