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  • B - Performing operationstransporting
  • B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
  • B01J 31/20 - Carbonyls

Patent holdings for IPC class B01J 31/20

Total number of patents in this class: 178

10-year publication summary

9
11
23
10
16
8
15
18
16
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Novomer, Inc.
213
15
Eastman Chemical Company
2098
12
Celanese International Corporation
909
9
BASF SE
21151
8
King Faisal University
921
7
LG Chem, Ltd.
17759
5
ExxonMobil Chemical Patents Inc.
3885
4
Dow Technology Investments LLC
277
4
Firmenich SA
1723
4
Noramco, LLC
27
4
Centre National de La Recherche Scientifique
10820
3
Nitto Denko Corporation
8420
3
National Institute of Advanced Industrial Science and Technology
3794
3
Cornell University
3386
3
Elkem Silicones France SAS
168
3
Hitachi Chemical Company, Ltd.
2291
2
Alma Mater Studiorum - Universita di Bologna
422
2
Deuteria Beverages, LLC
12
2
Kyushu University, National University Corporation
1686
2
Lyondell Chemical Technology, L.P.
252
2
Other owners 81

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