Patent holdings for IPC class C01B 39/12

Total number of patents in this class: 141

10-year publication summary

14
17
10
7
2
4
12
6
3
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
BASF SE
21306
39
Chevron U.S.A. Inc.
4159
37
ExxonMobil Research And Engineering Company
2400
12
ExxonMobil Technology and Engineering Company
1379
10
ExxonMobil Chemical Patents Inc.
3768
9
Uop LLC
4390
7
California Institute of Technology
4036
5
China Petroleum & Chemical Corporation
2166
4
Dow Global Technologies LLC
10994
2
Mitsui Mining & Smelting Co., Ltd.
1070
2
Research Institute of Petroleum Processing, Sinopec
361
2
Shanghai Research Institute of Petrochemical Technology Sinopec
259
2
Technische Universitat Clausthal
30
2
The Regents of the University of California
20815
1
AAC Acoustic Technologies (Shenzhen) Co., Ltd.
2023
1
Friedrich-Alexander-Universitaet Erlangen-Nuernberg
117
1
Saudi Arabian Oil Company
14305
1
The University of Tokyo
4378
1
BASF (China) Co., Ltd.
890
1
Friedrich-Alexander-Universität Erlangen-Nürnberg
429
1
Other owners 1