- 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: 925
10-year publication summary
|
51
|
66
|
81
|
69
|
66
|
58
|
57
|
59
|
34
|
23
|
| 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. | 770 |
43 |
| Shell Internationale Research Maatschappij B.V. | 3544 |
32 |
| Shell Oil Company | 2141 |
26 |
| Saudi Arabian Oil Company | 12858 |
23 |
| LG Chem, Ltd. | 17561 |
22 |
| IFP Energies Nouvelles | 2893 |
22 |
| Asahi Kasei Chemicals Corporation | 686 |
21 |
| Shell USA, Inc. | 1190 |
20 |
| Chevron U.S.A. Inc. | 3929 |
18 |
| Uop LLC | 4209 |
16 |
| BASF SE | 20777 |
14 |
| Mitsubishi Heavy Industries, Ltd. | 8647 |
13 |
| Mitsubishi Power, Ltd. | 1757 |
11 |
| ExxonMobil Research And Engineering Company | 2592 |
10 |
| Korea Institute of Energy Research | 845 |
10 |
| Nova Chemicals Corporation | 324 |
10 |
| Clariant International Ltd. | 933 |
8 |
| SABIC Global Technologies B.V. | 4288 |
8 |
| Shin-Etsu Chemical Co., Ltd. | 5598 |
7 |
| Dow Global Technologies LLC | 10354 |
7 |
| Other owners | 584 |