Patent holdings for IPC class B01J 21/02

Total number of patents in this class: 498

10-year publication summary

28
32
44
46
26
35
28
38
32
16
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
LG Chem, Ltd.
17704
18
Totalenergies Onetech
1424
14
BASF Corporation
1709
13
IFP Energies Nouvelles
2985
9
Korea Research Institute of Chemical Technology
1419
8
BASF SE
21137
7
Wisconsin Alumni Research Foundation
3894
7
Ecocatalytic Inc.
20
7
Dow Global Technologies LLC
10582
6
China Petroleum & Chemical Corporation
1961
6
SABIC Global Technologies B.V.
4408
6
Chevron U.S.A. Inc.
4018
5
Purdue Research Foundation
3739
5
Johnson Matthey Public Limited Company
1769
5
Korea Kumho Petrochemical Co., Ltd.
189
5
Evonik Operations GmbH
4181
5
William Marsh Rice University
1049
4
Aktsionernoe Obschestvo "gazpromneft-omsky Npz" (ao "gazpromneft-onpz")
17
4
Topsoe A/S
966
4
T.en Process Technology, Inc.
67
4
Other owners 356