Patent holdings for IPC class B01J 31/12

Total number of patents in this class: 696

10-year publication summary

49
47
42
47
50
45
31
35
28
34
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
LG Chem, Ltd.
17679
61
Chevron Phillips Chemical Company LP
1851
37
ExxonMobil Chemical Patents Inc.
3948
23
Soochow University
1749
11
The Regents of the University of California
20289
10
SK Innovation Co., Ltd.
1382
10
Saudi Arabian Oil Company
13656
9
ExxonMobil Research And Engineering Company
2537
8
IFP Energies Nouvelles
2980
8
King Abdullah University of Science and Technology
1811
8
Sumitomo Chemical Company, Limited
9109
7
Bridgestone Corporation
7217
7
Dow Global Technologies LLC
10555
7
SABIC Global Technologies B.V.
4403
7
Dow Silicones Corporation
1985
7
Massachusetts Institute of Technology
10143
6
Asahi Kasei Chemicals Corporation
624
6
Braskem America, Inc.
210
6
Stc.unm
675
6
Centre National de La Recherche Scientifique
10693
5
Other owners 447