Patent holdings for IPC class B01J 31/04

Total number of patents in this class: 462

10-year publication summary

32
26
45
39
34
30
31
18
16
29
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
IFP Energies Nouvelles
2980
19
Chevron Phillips Chemical Company LP
1851
15
ExxonMobil Research And Engineering Company
2537
11
LG Chem, Ltd.
17679
9
BASF SE
21087
8
Shell USA, Inc.
1253
7
Shell Internationale Research Maatschappij B.V.
3545
6
The Regents of the University of California
20289
6
Eastman Chemical Company
2212
6
Huntsman International LLC
714
6
Saudi Arabian Oil Company
13656
6
Toagosei Co., Ltd.
977
6
BASF Corporation
1708
5
Shell Oil Company
2133
5
Wisconsin Alumni Research Foundation
3891
5
Dow Global Technologies LLC
10555
5
Chevron U.S.A. Inc.
4018
5
China Petroleum & Chemical Corporation
1950
5
Daiichi Sankyo Company, Limited
1877
5
Mitsubishi Gas Chemical Company, Inc.
3499
5
Other owners 317