- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 27/02 - Sulfur, selenium or telluriumCompounds thereof
Patent holdings for IPC class B01J 27/02
Total number of patents in this class: 232
10-year publication summary
|
6
|
9
|
9
|
19
|
15
|
12
|
9
|
8
|
8
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shell Internationale Research Maatschappij B.V. | 3394 |
14 |
| Shell Oil Company | 2068 |
14 |
| Chevron U.S.A. Inc. | 4159 |
11 |
| Hanwha Solutions Corporation | 1191 |
8 |
| Umicore AG & Co. KG | 850 |
6 |
| Nippon Oil Corporation | 160 |
5 |
| Tokyo Institute of Technology | 1311 |
5 |
| The Procter & Gamble Company | 21852 |
3 |
| Korea Institute of Science and Technology | 2251 |
3 |
| Chiyoda Corporation | 427 |
3 |
| IFP Energies Nouvelles | 3104 |
3 |
| Johnson Matthey Davy Technologies Limited | 529 |
3 |
| Johnson Matthey Public Limited Company | 1763 |
3 |
| Kemira Oyj | 1264 |
3 |
| NOVA Chemicals (International) S.A. | 798 |
3 |
| Nanoco 2D Materials Limited | 16 |
3 |
| Lummus Technology LLC | 493 |
3 |
| Shell USA, Inc. | 1341 |
3 |
| Ketjen Limited Liability Company | 66 |
3 |
| Wisconsin Alumni Research Foundation | 3900 |
2 |
| Other owners | 131 |