- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 39/54 - Phosphates, e.g. APO or SAPO compounds
Patent holdings for IPC class C01B 39/54
Total number of patents in this class: 326
10-year publication summary
|
39
|
28
|
39
|
26
|
5
|
7
|
9
|
8
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4322 |
61 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 691 |
32 |
| NGK Insulators, Ltd. | 5215 |
19 |
| Johnson Matthey Public Limited Company | 1756 |
19 |
| China Petroleum & Chemical Corporation | 2080 |
14 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 264 |
11 |
| Chevron U.S.A. Inc. | 4103 |
8 |
| Ibiden Co., Ltd. | 1662 |
8 |
| ExxonMobil Chemical Patents Inc. | 3819 |
7 |
| Dow Global Technologies LLC | 10824 |
7 |
| California Institute of Technology | 4017 |
6 |
| BASF Corporation | 1685 |
5 |
| Mitsubishi Chemical Corporation | 4668 |
5 |
| BASF SE | 21151 |
4 |
| ExxonMobil Research And Engineering Company | 2462 |
4 |
| Tosoh Corporation | 1387 |
4 |
| BASF (China) Co., Ltd. | 879 |
4 |
| ExxonMobil Technology and Engineering Company | 1293 |
4 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1431 |
3 |
| IFP Energies Nouvelles | 3038 |
3 |
| Other owners | 98 |