Patent holdings for IPC class C01B 39/12

Total number of patents in this class: 135

10-year publication summary

14
19
14
17
10
7
2
3
11
3
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
BASF SE
19740
39
Chevron U.S.A. Inc.
3774
35
ExxonMobil Research And Engineering Company
2830
12
ExxonMobil Chemical Patents Inc.
4286
9
Uop LLC
4083
7
California Institute of Technology
3884
5
China Petroleum & Chemical Corporation
1623
4
ExxonMobil Technology and Engineering Company
676
4
Dow Global Technologies LLC
10147
2
Mitsui Mining & Smelting Co., Ltd.
1373
2
Research Institute of Petroleum Processing, Sinopec
387
2
Saudi Arabian Oil Company
11322
2
Shanghai Research Institute of Petrochemical Technology Sinopec
252
2
Technische Universitat Clausthal
32
2
The Regents of the University of California
18943
1
AAC Acoustic Technologies (Shenzhen) Co., Ltd.
1827
1
Friedrich-Alexander-Universitaet Erlangen-Nuernberg
105
1
King Fahd University of Petroleum and Minerals
779
1
The University of Tokyo
3903
1
BASF (China) Co., Ltd.
755
1
Other owners 2