Patent holdings for IPC class C01B 39/12

Total number of patents in this class: 137

10-year publication summary

19
14
17
10
7
2
4
11
5
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
BASF SE
20565
40
Chevron U.S.A. Inc.
3884
35
ExxonMobil Research And Engineering Company
2642
12
ExxonMobil Chemical Patents Inc.
4089
9
Uop LLC
4204
7
ExxonMobil Technology and Engineering Company
960
7
California Institute of Technology
3943
5
China Petroleum & Chemical Corporation
1811
4
Dow Global Technologies LLC
10225
2
Mitsui Mining & Smelting Co., Ltd.
1433
2
Research Institute of Petroleum Processing, Sinopec
382
2
Shanghai Research Institute of Petrochemical Technology Sinopec
266
2
Technische Universitat Clausthal
33
2
The Regents of the University of California
19630
1
AAC Acoustic Technologies (Shenzhen) Co., Ltd.
1891
1
Friedrich-Alexander-Universitaet Erlangen-Nuernberg
108
1
Saudi Arabian Oil Company
12671
1
The University of Tokyo
4083
1
BASF (China) Co., Ltd.
816
1
Friedrich-Alexander-Universität Erlangen-Nürnberg
438
1
Other owners 1