Patent holdings for IPC class B01J 31/34

Total number of patents in this class: 194

10-year publication summary

10
8
10
19
18
21
10
9
5
8
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
1833
33
LG Chem, Ltd.
17639
10
IFP Energies Nouvelles
2933
8
China Petroleum & Chemical Corporation
1908
6
Kao Corporation
4964
5
ExxonMobil Chemical Patents Inc.
3976
5
Mitsubishi Chemical Corporation
4519
5
ExxonMobil Research And Engineering Company
2566
4
JX Nippon Oil & Energy Corporation
999
4
Osaka University
3377
4
Shell USA, Inc.
1223
4
Mitsui Chemicals, Inc.
3220
3
Basell Polyolefine GmbH
547
3
ENI S.p.A.
1260
3
SABIC Global Technologies B.V.
4347
3
Tianjin University
805
3
Total Raffinage Marketing
153
3
Sharp Corporation
10255
2
Nitto Denko Corporation
8246
2
Showa Denko K.K.
2222
2
Other owners 82