Patent holdings for IPC class B01J 20/18

Total number of patents in this class: 1652

10-year publication summary

119
142
137
112
94
120
110
97
116
62
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Arkema France
4232
71
Uop LLC
4407
56
Chevron U.S.A. Inc.
4180
47
Praxair Technology, Inc.
1203
45
IFP Energies Nouvelles
3125
43
Tosoh Corporation
1440
40
ExxonMobil Research And Engineering Company
2389
33
Asahi Kasei Kabushiki Kaisha
2875
33
China Petroleum & Chemical Corporation
2190
28
Johnson Matthey Public Limited Company
1766
25
BASF Corporation
1682
23
Mitsui Mining & Smelting Co., Ltd.
1062
19
NGK Insulators, Ltd.
5168
18
ExxonMobil Technology and Engineering Company
1425
18
ExxonMobil Upstream Research Company
2283
17
Panasonic Intellectual Property Management Co., Ltd.
34623
16
BASF SE
21334
14
Ceca S.A.
43
14
Korea University Research and Business Foundation
3314
14
ExxonMobil Chemical Patents Inc.
3756
13
Other owners 1065