- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 38/00 - Regeneration or reactivation of catalysts, in general
Patent holdings for IPC class B01J 38/00
Total number of patents in this class: 284
10-year publication summary
7
|
19
|
11
|
15
|
8
|
10
|
19
|
15
|
11
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Uop LLC | 4083 |
21 |
Chevron U.S.A. Inc. | 3774 |
13 |
The Chugoku Electric Power Co., Inc. | 498 |
12 |
Hashida Giken Inc. | 8 |
8 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
6 |
Shell Internationale Research Maatschappij B.V. | 3792 |
5 |
Chevron Phillips Chemical Company LP | 1779 |
5 |
China Petroleum & Chemical Corporation | 1623 |
5 |
Cosmo Oil Co., Ltd. | 221 |
4 |
Inpex Corporation | 166 |
4 |
Japan Oil, Gas and Metals National Corporation | 222 |
4 |
Japan Petroleum Exploration Co., Ltd. | 178 |
4 |
JX Nippon Oil & Energy Corporation | 1019 |
4 |
Zeon Corporation | 3854 |
4 |
Mitsubishi Power, Ltd. | 1680 |
4 |
Sinopec Research Institute of Petroleum Processing Co., Ltd. | 41 |
4 |
ExxonMobil Research And Engineering Company | 2830 |
3 |
BASF Corporation | 2039 |
3 |
Mitsubishi Rayon Co., Ltd. | 1003 |
3 |
Arkema France | 3790 |
3 |
Other owners | 165 |