- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 27/057 - Selenium or telluriumCompounds thereof
Patent holdings for IPC class B01J 27/057
Total number of patents in this class: 259
10-year publication summary
|
18
|
25
|
24
|
14
|
9
|
6
|
8
|
15
|
7
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOVA Chemicals (International) S.A. | 790 |
48 |
| Shell Internationale Research Maatschappij B.V. | 3487 |
21 |
| Shell Oil Company | 2110 |
21 |
| Shell USA, Inc. | 1283 |
12 |
| Rohm and Haas Company | 2950 |
11 |
| Asahi Kasei Chemicals Corporation | 584 |
10 |
| Sumitomo Chemical Company, Limited | 9052 |
5 |
| Dow Global Technologies LLC | 10754 |
4 |
| Clariant International Ltd. | 900 |
4 |
| Renaissance Energy Research Corporation | 63 |
4 |
| Evonik Degussa GmbH | 1424 |
3 |
| Mitsubishi Chemical Corporation | 4684 |
3 |
| Korea Institute of Industrial Technology | 1016 |
3 |
| Honda Motor Co., Ltd. | 25811 |
2 |
| LG Chem, Ltd. | 17786 |
2 |
| Saudi Basic Industries Corporation | 532 |
2 |
| Showa Denko K.K. | 2118 |
2 |
| The Trustees of Columbia University in the City of New York | 3621 |
2 |
| Mitsubishi Rayon Co., Ltd. | 873 |
2 |
| Dia-Nitrix Co., Ltd. | 12 |
2 |
| Other owners | 96 |