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
21334
39
Chevron U.S.A. Inc.
4186
37
ExxonMobil Research And Engineering Company
2386
12
ExxonMobil Technology and Engineering Company
1440
10
ExxonMobil Chemical Patents Inc.
3759
9
Uop LLC
4411
7
California Institute of Technology
4048
5
China Petroleum & Chemical Corporation
2190
4
Dow Global Technologies LLC
11090
2
Mitsui Mining & Smelting Co., Ltd.
1061
2
Research Institute of Petroleum Processing, Sinopec
361
2
Shanghai Research Institute of Petrochemical Technology Sinopec
258
2
Technische Universitat Clausthal
29
2
The Regents of the University of California
20987
1
AAC Acoustic Technologies (Shenzhen) Co., Ltd.
2027
1
Friedrich-Alexander-Universitaet Erlangen-Nuernberg
121
1
Saudi Arabian Oil Company
14416
1
The University of Tokyo
4409
1
BASF (China) Co., Ltd.
892
1
Friedrich-Alexander-Universität Erlangen-Nürnberg
429
1
Other owners 1