Patent holdings for IPC class B01J 31/34

Total number of patents in this class: 194

10-year publication summary

8
10
21
20
21
10
9
5
9
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Chevron Phillips Chemical Company LP
1877
35
LG Chem, Ltd.
17986
10
IFP Energies Nouvelles
3125
9
China Petroleum & Chemical Corporation
2190
7
Kao Corporation
5112
5
ExxonMobil Chemical Patents Inc.
3756
5
Mitsubishi Chemical Corporation
4767
5
ExxonMobil Research And Engineering Company
2389
4
JX Nippon Oil & Energy Corporation
978
4
Osaka University
3248
4
Shell USA, Inc.
1355
4
Mitsui Chemicals, Inc.
3288
3
ENI S.p.A.
1319
3
SABIC Global Technologies B.V.
4632
3
SK Innovation Co., Ltd.
1505
3
Tianjin University
924
3
Total Raffinage Marketing
146
3
Sharp Corporation
10894
2
Nitto Denko Corporation
8640
2
Showa Denko K.K.
2050
2
Other owners 78