Patent holdings for IPC class B01J 31/02

Total number of patents in this class: 2334

10-year publication summary

177
208
190
189
182
142
126
132
113
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Chevron U.S.A. Inc.
4013
60
IFP Energies Nouvelles
2997
58
LG Chem, Ltd.
17702
57
Uop LLC
4254
57
Chevron Phillips Chemical Company LP
1858
50
BASF SE
21109
30
Evonik Operations GmbH
4171
28
Shell Internationale Research Maatschappij B.V.
3513
25
Saudi Arabian Oil Company
13708
25
Soochow University
1752
21
Dow Global Technologies LLC
10627
20
The Regents of the University of California
20315
17
Sumitomo Chemical Company, Limited
9106
17
ExxonMobil Chemical Patents Inc.
3925
17
SABIC Global Technologies B.V.
4420
17
Shell USA, Inc.
1262
17
Evonik Oxeno GmbH & Co. KG
346
16
ExxonMobil Research And Engineering Company
2519
15
Shell Oil Company
2119
15
Eastman Chemical Company
2103
15
Other owners 1757