Patent holdings for IPC class C01B 39/40

Total number of patents in this class: 264

10-year publication summary

15
12
17
9
11
19
24
12
12
9
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
13990
39
King Abdullah University of Science and Technology
1839
21
ExxonMobil Chemical Patents Inc.
3802
11
BASF SE
21244
10
Chevron U.S.A. Inc.
4122
9
ExxonMobil Research And Engineering Company
2447
7
Aramco Services Company
4163
6
China Petroleum & Chemical Corporation
2119
6
Tosoh Corporation
1398
5
University of Houston System
1125
5
Centre National de La Recherche Scientifique
10967
4
Uop LLC
4375
4
JX Nippon Oil & Energy Corporation
978
4
Research Institute of Shaanxi Yanchang Petroleum (Group) Co., Ltd.
4
4
SSI New Material (Zhenjiang) Co., Ltd.
68
4
The Regents of the University of California
20633
3
NGK Insulators, Ltd.
5225
3
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
701
3
Dalian University of Technology
1585
3
Ohio State Innovation Foundation
2340
3
Other owners 110