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  • B - Performing operationstransporting
  • B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
  • B01J 31/22 - Organic complexes

Patent holdings for IPC class B01J 31/22

Total number of patents in this class: 2608

10-year publication summary

177
180
175
253
180
175
192
143
154
68
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Chevron Phillips Chemical Company LP
1832
84
LG Chem, Ltd.
17549
50
Sumitomo Chemical Company, Limited
9002
43
ExxonMobil Chemical Patents Inc.
4027
43
Dow Global Technologies LLC
10341
43
Centre National de La Recherche Scientifique
10311
38
Umicore AG & Co. KG
855
36
National Institute of Advanced Industrial Science and Technology
3784
34
Soochow University
1730
30
Kyushu University, National University Corporation
1643
29
BASF SE
20758
27
Massachusetts Institute of Technology
10002
26
Shin-Etsu Chemical Co., Ltd.
5587
26
Evonik Oxeno GmbH & Co. KG
309
26
IFP Energies Nouvelles
2888
23
Takasago International Corporation
404
23
The Regents of the University of California
19803
21
Arlanxeo Deutschland GmbH
274
21
California Institute of Technology
3966
20
Apeiron Synthesis S.A.
51
20
Other owners 1945

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