- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 38/12 - Treating with free oxygen-containing gas
Patent holdings for IPC class B01J 38/12
Total number of patents in this class: 419
10-year publication summary
46
|
39
|
31
|
28
|
32
|
24
|
21
|
18
|
30
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Uop LLC | 4188 |
36 |
Dow Global Technologies LLC | 10149 |
21 |
ExxonMobil Chemical Patents Inc. | 4115 |
20 |
IFP Energies Nouvelles | 2824 |
18 |
Chevron Phillips Chemical Company LP | 1818 |
15 |
Arkema France | 3889 |
12 |
BASF SE | 20403 |
11 |
ExxonMobil Research And Engineering Company | 2672 |
11 |
China Petroleum & Chemical Corporation | 1780 |
9 |
Saudi Arabian Oil Company | 12423 |
8 |
Total Research & Technology Feluy | 452 |
8 |
Shell Internationale Research Maatschappij B.V. | 3721 |
7 |
Eastman Chemical Company | 2256 |
7 |
SABIC Global Technologies B.V. | 4199 |
7 |
Virent, Inc. | 119 |
7 |
Sumitomo Chemical Company, Limited | 8979 |
6 |
Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 642 |
6 |
Catalyst Recovery Europe S.A. | 6 |
6 |
Shell USA, Inc. | 1137 |
6 |
Merichem Technologies, LLC | 59 |
6 |
Other owners | 192 |