Patent holdings for IPC class C01B 39/08

Total number of patents in this class: 156

10-year publication summary

10
21
12
10
11
5
3
9
1
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
BASF SE
21334
19
California Institute of Technology
4044
12
Chevron U.S.A. Inc.
4180
12
China Petroleum & Chemical Corporation
2190
11
ExxonMobil Research And Engineering Company
2389
9
ExxonMobil Chemical Patents Inc.
3756
7
Dow Global Technologies LLC
11072
5
Johnson Matthey Public Limited Company
1766
5
Curium US LLC
187
5
Sinopec Research Institute of Petroleum Processing Co., Ltd.
141
4
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
689
3
Dalian University of Technology
1611
3
Research Institute of Petroleum Processing, Sinopec
361
3
Sinopec Research Institute of Safety Engineering Co., Ltd.
49
3
Centre National de La Recherche Scientifique
11133
2
China National Petroleum Corporation
646
2
Danmarks Tekniske Universitet
1045
2
Mitsui Mining & Smelting Co., Ltd.
1062
2
Saudi Arabian Oil Company
14398
2
Shanghai HuaYi New Material Co., Ltd.
28
2
Other owners 43