- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/28 - Molybdenum
Patent holdings for IPC class B01J 23/28
Total number of patents in this class: 953
10-year publication summary
|
49
|
62
|
78
|
67
|
63
|
54
|
50
|
54
|
33
|
50
|
| 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. | 787 |
48 |
| Shell Internationale Research Maatschappij B.V. | 3545 |
34 |
| IFP Energies Nouvelles | 2980 |
27 |
| Shell Oil Company | 2133 |
26 |
| Saudi Arabian Oil Company | 13656 |
24 |
| Asahi Kasei Chemicals Corporation | 624 |
21 |
| LG Chem, Ltd. | 17679 |
20 |
| Shell USA, Inc. | 1253 |
19 |
| Chevron U.S.A. Inc. | 4018 |
18 |
| Uop LLC | 4259 |
16 |
| BASF SE | 21087 |
15 |
| Mitsubishi Heavy Industries, Ltd. | 8875 |
13 |
| Nova Chemicals Corporation | 343 |
11 |
| Mitsubishi Power, Ltd. | 1810 |
11 |
| ExxonMobil Research And Engineering Company | 2537 |
10 |
| Korea Institute of Energy Research | 870 |
10 |
| SABIC Global Technologies B.V. | 4403 |
8 |
| Shin-Etsu Chemical Co., Ltd. | 5784 |
7 |
| Dow Global Technologies LLC | 10555 |
7 |
| Mitsubishi Chemical Corporation | 4606 |
7 |
| Other owners | 601 |