- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 27/057 - Selenium or tellurium; Compounds thereof
Patent holdings for IPC class B01J 27/057
Total number of patents in this class: 249
10-year publication summary
|
13
|
23
|
19
|
26
|
24
|
15
|
10
|
6
|
8
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOVA Chemicals (International) S.A. | 717 |
43 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
27 |
| Shell Oil Company | 2196 |
23 |
| Shell USA, Inc. | 1074 |
13 |
| Asahi Kasei Chemicals Corporation | 809 |
10 |
| Rohm and Haas Company | 2805 |
6 |
| Sumitomo Chemical Company, Limited | 8808 |
5 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
4 |
| Arkema France | 3790 |
4 |
| Renaissance Energy Research Corporation | 60 |
4 |
| LG Chem, Ltd. | 17205 |
3 |
| Evonik Degussa GmbH | 1574 |
3 |
| Saudi Basic Industries Corporation | 625 |
3 |
| Showa Denko K.K. | 2539 |
3 |
| Mitsubishi Chemical Corporation | 4313 |
3 |
| INEOS USA LLC | 64 |
3 |
| Korea Institute of Industrial Technology | 994 |
3 |
| Toagosei Co., Ltd. | 894 |
3 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| The Trustees of Columbia University in the City of New York | 3440 |
2 |
| Other owners | 82 |