Patent holdings for IPC class B01J 31/34

Total number of patents in this class: 187

10-year publication summary

16
10
8
10
21
20
20
9
8
2
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Chevron Phillips Chemical Company LP
1779
29
LG Chem, Ltd.
17205
10
IFP Energies Nouvelles
2717
8
ExxonMobil Research And Engineering Company
2830
6
Kao Corporation
4843
5
ExxonMobil Chemical Patents Inc.
4286
5
Mitsubishi Chemical Corporation
4313
5
China Petroleum & Chemical Corporation
1623
5
JX Nippon Oil & Energy Corporation
1019
4
Osaka University
3143
4
Shell USA, Inc.
1074
4
Massachusetts Institute of Technology
9795
3
Mitsui Chemicals, Inc.
3134
3
Basell Polyolefine GmbH
575
3
Cosmo Oil Co., Ltd.
221
3
SABIC Global Technologies B.V.
4044
3
Tianjin University
695
3
Total Raffinage Marketing
154
3
Nitto Denko Corporation
7879
2
Showa Denko K.K.
2539
2
Other owners 77