Patent holdings for IPC class B01J 31/04

Total number of patents in this class: 448

10-year publication summary

33
28
46
42
37
30
32
18
16
12
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
IFP Energies Nouvelles
2933
19
Chevron Phillips Chemical Company LP
1838
16
ExxonMobil Research And Engineering Company
2573
11
BASF SE
20933
9
LG Chem, Ltd.
17632
9
Shell USA, Inc.
1214
8
Shell Internationale Research Maatschappij B.V.
3540
6
The Regents of the University of California
19918
6
Eastman Chemical Company
2217
6
Huntsman International LLC
719
6
Saudi Arabian Oil Company
13155
6
Toagosei Co., Ltd.
970
6
BASF Corporation
1720
5
Shell Oil Company
2140
5
Wisconsin Alumni Research Foundation
3877
5
Saudi Basic Industries Corporation
562
5
Chevron U.S.A. Inc.
3955
5
Daiichi Sankyo Company, Limited
1869
5
Dow Global Technologies LLC
10363
4
Archer Daniels Midland Company
1109
4
Other owners 302