- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 38/08 - Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst using ammonia or derivatives thereof
Patent holdings for IPC class B01J 38/08
Total number of patents in this class: 31
10-year publication summary
|
3
|
2
|
2
|
1
|
4
|
0
|
4
|
3
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cummins Inc. | 2369 |
3 |
| Topsoe A/S | 732 |
3 |
| BASF Corporation | 2039 |
2 |
| Cypress Semiconductor Corporation | 1642 |
2 |
| Arkema France | 3790 |
2 |
| Haldor Topsøe A/S | 698 |
2 |
| Cqc Intime Testing Technology Co., Ltd. | 12 |
2 |
| BASF SE | 19740 |
1 |
| Chevron U.S.A. Inc. | 3774 |
1 |
| W. L. Gore & Associates, Inc. | 2600 |
1 |
| Aramco Services Company | 3504 |
1 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 614 |
1 |
| Formosa Plastics Corporation | 46 |
1 |
| JSK Capital, LLC | 3 |
1 |
| KEPCO Engineering & Construction Company, Inc. | 70 |
1 |
| Saudi Arabian Oil Company | 11322 |
1 |
| Total Raffinage France | 49 |
1 |
| Wanhua Chemical Group Co., Ltd. | 286 |
1 |
| Zhejiang University | 2619 |
1 |
| TUNAP GmbH & Co. KG | 61 |
1 |
| Other owners | 2 |