Patent holdings for IPC class B01J 31/34

Total number of patents in this class: 186

10-year publication summary

10
8
10
21
20
20
9
9
5
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Chevron Phillips Chemical Company LP
1817
32
LG Chem, Ltd.
17639
10
IFP Energies Nouvelles
2829
8
ExxonMobil Research And Engineering Company
2659
5
Kao Corporation
4916
5
ExxonMobil Chemical Patents Inc.
4114
5
Mitsubishi Chemical Corporation
4447
5
China Petroleum & Chemical Corporation
1783
5
JX Nippon Oil & Energy Corporation
1010
4
Osaka University
3295
4
Shell USA, Inc.
1137
4
Mitsui Chemicals, Inc.
3187
3
Basell Polyolefine GmbH
554
3
Cosmo Oil Co., Ltd.
217
3
SABIC Global Technologies B.V.
4203
3
Tianjin University
755
3
Total Raffinage Marketing
154
3
Nitto Denko Corporation
8089
2
Showa Denko K.K.
2337
2
Mitsubishi Rayon Co., Ltd.
944
2
Other owners 75