- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir 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: 282
10-year publication summary
|
19
|
11
|
15
|
8
|
11
|
19
|
15
|
11
|
12
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4209 |
20 |
| Chevron U.S.A. Inc. | 3929 |
12 |
| The Chugoku Electric Power Co., Inc. | 514 |
12 |
| Hashida Giken Inc. | 8 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8647 |
5 |
| China Petroleum & Chemical Corporation | 1869 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3544 |
4 |
| Chevron Phillips Chemical Company LP | 1833 |
4 |
| Cosmo Oil Co., Ltd. | 207 |
4 |
| Inpex Corporation | 162 |
4 |
| Japan Oil, Gas and Metals National Corporation | 211 |
4 |
| Japan Petroleum Exploration Co., Ltd. | 164 |
4 |
| JX Nippon Oil & Energy Corporation | 999 |
4 |
| Saudi Arabian Oil Company | 12858 |
4 |
| Zeon Corporation | 4072 |
4 |
| Mitsubishi Power, Ltd. | 1757 |
4 |
| Sinopec Research Institute of Petroleum Processing Co., Ltd. | 85 |
4 |
| ExxonMobil Research And Engineering Company | 2592 |
3 |
| Mitsubishi Rayon Co., Ltd. | 920 |
3 |
| Arkema France | 3987 |
3 |
| Other owners | 167 |