Patent holdings for IPC class B01J 27/199

Total number of patents in this class: 153

10-year publication summary

8
9
11
12
3
8
7
7
6
4
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Chemical Corporation
4525
30
Nippon Kayaku Kabushiki Kaisha
1435
13
Mitsubishi Rayon Co., Ltd.
907
9
Babcock-Hitachi Kabushiki Kaisha
103
6
Shanghai HuaYi New Material Co., Ltd.
26
5
Mitsubishi Power, Ltd.
1772
5
Shell USA, Inc.
1225
5
LG Chem, Ltd.
17635
4
Sumitomo Chemical Company, Limited
9043
3
Saudi Basic Industries Corporation
554
3
Celanese International Corporation
911
3
Nova Chemicals Corporation
332
3
Polynt S.p.A.
37
3
Tronox LLC
163
3
Evonik Degussa GmbH
1525
2
Arkema France
4154
2
Clariant International Ltd.
932
2
Eastman Chemical Company
2216
2
Emory University
1622
2
Institute of Process Engineering, Chinese Academy of Sciences
295
2
Other owners 46