Patent holdings for IPC class C01B 39/54

Total number of patents in this class: 317

10-year publication summary

39
28
39
26
5
7
9
8
4
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Uop LLC
4401
61
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
689
29
NGK Insulators, Ltd.
5170
19
Johnson Matthey Public Limited Company
1765
19
China Petroleum & Chemical Corporation
2185
14
Shanghai Research Institute of Petrochemical Technology Sinopec
258
11
Chevron U.S.A. Inc.
4175
8
Ibiden Co., Ltd.
1684
8
Dow Global Technologies LLC
11051
7
California Institute of Technology
4045
6
ExxonMobil Chemical Patents Inc.
3759
6
BASF Corporation
1680
5
Mitsubishi Chemical Corporation
4757
5
BASF SE
21318
4
Tosoh Corporation
1438
4
BASF (China) Co., Ltd.
892
4
ExxonMobil Technology and Engineering Company
1416
4
ExxonMobil Research And Engineering Company
2391
3
Consejo Superior de Investigaciones Cientificas (csic)
1452
3
IFP Energies Nouvelles
3122
3
Other owners 94