Patent holdings for IPC class B01J 31/04

Total number of patents in this class: 442

10-year publication summary

31
33
28
46
42
37
30
32
18
5
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
IFP Energies Nouvelles
2717
19
Chevron Phillips Chemical Company LP
1779
16
ExxonMobil Research And Engineering Company
2830
12
LG Chem, Ltd.
17205
8
Shell Internationale Research Maatschappij B.V.
3792
8
Shell USA, Inc.
1074
8
BASF SE
19740
7
Saudi Basic Industries Corporation
625
7
The Regents of the University of California
18943
6
China Petroleum & Chemical Corporation
1623
6
Huntsman International LLC
708
6
Saudi Arabian Oil Company
11322
6
Toagosei Co., Ltd.
894
6
BASF Corporation
2039
5
Shell Oil Company
2196
5
Chevron U.S.A. Inc.
3774
5
Daiichi Sankyo Company, Limited
1829
5
Eastman Chemical Company
2239
5
Evonik Operations GmbH
3879
5
Wisconsin Alumni Research Foundation
3774
4
Other owners 293