Patent holdings for IPC class B01J 23/887

Total number of patents in this class: 464

10-year publication summary

33
39
41
33
25
30
25
26
22
8
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nippon Kayaku Kabushiki Kaisha
1454
48
Asahi Kasei Kabushiki Kaisha
2833
28
LG Chem, Ltd.
17921
27
BASF SE
21303
26
Mitsubishi Chemical Corporation
4724
18
INEOS Europe AG
214
12
Chevron U.S.A. Inc.
4140
11
Saudi Basic Industries Corporation
524
9
Shin-Etsu Chemical Co., Ltd.
6096
8
China Petroleum & Chemical Corporation
2152
8
Uop LLC
4393
7
Clariant International Ltd.
893
7
Nippon Shokubai Co., Ltd.
1538
7
NOVA Chemicals (International) S.A.
797
7
Evonik Degussa GmbH
1379
6
Dow Global Technologies LLC
10944
6
INEOS USA LLC
49
6
Instituto Mexicano Del Petroleo
203
6
Arkema France
4242
5
Mitsubishi Heavy Industries, Ltd.
9128
4
Other owners 208