Patent holdings for IPC class C01B 39/36

Total number of patents in this class: 118

10-year publication summary

6
11
8
9
8
7
5
3
2
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Uop LLC
4318
8
Sumitomo Chemical Company, Limited
9055
7
Saudi Arabian Oil Company
13948
7
Tosoh Corporation
1388
7
University of Houston System
1121
5
ExxonMobil Research And Engineering Company
2465
4
BASF SE
21150
3
ExxonMobil Chemical Patents Inc.
3822
3
Mitsui Mining & Smelting Co., Ltd.
1373
3
Total Petrochemicals Research Feluy
187
3
The University of Tokyo
4329
3
Chevron U.S.A. Inc.
4094
2
AAC Acoustic Technologies (Shenzhen) Co., Ltd.
2009
2
China Petroleum & Chemical Corporation
2064
2
Chiyoda Corporation
420
2
King Fahd University of Petroleum and Minerals
1496
2
Regents of the University of Minnesota
2770
2
Süd-Chemie IP GmbH & Co. KG
34
2
Zeon Corporation
4121
2
Centre National de La Recherche Scientifique
10886
1
Other owners 48