- 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: 255
10-year publication summary
|
23
|
19
|
26
|
24
|
15
|
10
|
6
|
8
|
15
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOVA Chemicals (International) S.A. | 763 |
45 |
| Shell Internationale Research Maatschappij B.V. | 3726 |
27 |
| Shell Oil Company | 2151 |
23 |
| Shell USA, Inc. | 1147 |
12 |
| Asahi Kasei Chemicals Corporation | 710 |
10 |
| Rohm and Haas Company | 2857 |
8 |
| Sumitomo Chemical Company, Limited | 8997 |
5 |
| Renaissance Energy Research Corporation | 60 |
4 |
| LG Chem, Ltd. | 17657 |
3 |
| Evonik Degussa GmbH | 1555 |
3 |
| Mitsubishi Rayon Co., Ltd. | 943 |
3 |
| Mitsubishi Chemical Corporation | 4457 |
3 |
| Korea Institute of Industrial Technology | 1007 |
3 |
| Honda Motor Co., Ltd. | 24908 |
2 |
| Dow Global Technologies LLC | 10177 |
2 |
| Saudi Basic Industries Corporation | 589 |
2 |
| Showa Denko K.K. | 2331 |
2 |
| The Trustees of Columbia University in the City of New York | 3528 |
2 |
| Dia-Nitrix Co., Ltd. | 13 |
2 |
| Arkema France | 3895 |
2 |
| Other owners | 92 |