- 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: 943
10-year publication summary
|
49
|
62
|
78
|
67
|
63
|
54
|
50
|
53
|
33
|
40
|
| 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. | 778 |
44 |
| Shell Internationale Research Maatschappij B.V. | 3553 |
34 |
| IFP Energies Nouvelles | 2952 |
27 |
| Shell Oil Company | 2138 |
26 |
| Saudi Arabian Oil Company | 13349 |
23 |
| LG Chem, Ltd. | 17644 |
21 |
| Asahi Kasei Chemicals Corporation | 665 |
21 |
| Shell USA, Inc. | 1235 |
20 |
| Chevron U.S.A. Inc. | 3984 |
18 |
| Uop LLC | 4241 |
16 |
| BASF SE | 20979 |
15 |
| Mitsubishi Heavy Industries, Ltd. | 8783 |
13 |
| Nova Chemicals Corporation | 333 |
11 |
| Mitsubishi Power, Ltd. | 1784 |
11 |
| ExxonMobil Research And Engineering Company | 2562 |
10 |
| Korea Institute of Energy Research | 864 |
10 |
| SABIC Global Technologies B.V. | 4361 |
8 |
| Shin-Etsu Chemical Co., Ltd. | 5685 |
7 |
| Dow Global Technologies LLC | 10402 |
7 |
| Mitsubishi Chemical Corporation | 4538 |
7 |
| Other owners | 594 |