Patent holdings for IPC class B01J 27/199

Total number of patents in this class: 152

10-year publication summary

8
9
11
12
6
8
7
8
6
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Chemical Corporation
4496
29
Nippon Kayaku Kabushiki Kaisha
1431
13
Mitsubishi Rayon Co., Ltd.
913
9
Babcock-Hitachi Kabushiki Kaisha
103
6
Shanghai HuaYi New Material Co., Ltd.
26
5
Mitsubishi Power, Ltd.
1759
5
Shell USA, Inc.
1208
5
LG Chem, Ltd.
17615
4
Sumitomo Chemical Company, Limited
9046
3
Saudi Basic Industries Corporation
571
3
Celanese International Corporation
906
3
Nova Chemicals Corporation
327
3
Polynt S.p.A.
37
3
Tronox LLC
161
3
Evonik Degussa GmbH
1533
2
Arkema France
4102
2
Clariant International Ltd.
940
2
Eastman Chemical Company
2216
2
Emory University
1625
2
Institute of Process Engineering, Chinese Academy of Sciences
293
2
Other owners 46