Patent holdings for IPC class B01J 31/02

Total number of patents in this class: 2335

10-year publication summary

201
177
208
190
189
182
142
126
132
108
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Chevron U.S.A. Inc.
4013
59
IFP Energies Nouvelles
2973
58
LG Chem, Ltd.
17685
57
Uop LLC
4255
57
Chevron Phillips Chemical Company LP
1847
50
BASF SE
21083
30
Evonik Operations GmbH
4161
28
Shell Internationale Research Maatschappij B.V.
3541
25
Saudi Arabian Oil Company
13600
25
Soochow University
1749
21
Dow Global Technologies LLC
10509
20
The Regents of the University of California
20245
17
Sumitomo Chemical Company, Limited
9105
17
ExxonMobil Chemical Patents Inc.
3954
17
SABIC Global Technologies B.V.
4392
17
Shell USA, Inc.
1243
17
Evonik Oxeno GmbH & Co. KG
337
16
ExxonMobil Research And Engineering Company
2542
15
Shell Oil Company
2135
15
Eastman Chemical Company
2210
15
Other owners 1759