- 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: 323
10-year publication summary
|
29
|
39
|
28
|
39
|
26
|
5
|
7
|
9
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4216 |
61 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 671 |
32 |
| NGK Insulators, Ltd. | 4929 |
19 |
| Johnson Matthey Public Limited Company | 1842 |
19 |
| China Petroleum & Chemical Corporation | 1874 |
14 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 264 |
11 |
| ExxonMobil Chemical Patents Inc. | 4021 |
9 |
| Chevron U.S.A. Inc. | 3939 |
8 |
| Ibiden Co., Ltd. | 1734 |
8 |
| Dow Global Technologies LLC | 10384 |
7 |
| California Institute of Technology | 3969 |
6 |
| BASF SE | 20803 |
5 |
| ExxonMobil Research And Engineering Company | 2590 |
5 |
| BASF Corporation | 1715 |
5 |
| Mitsubishi Chemical Corporation | 4492 |
5 |
| Tosoh Corporation | 1270 |
4 |
| BASF (China) Co., Ltd. | 832 |
4 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1362 |
3 |
| IFP Energies Nouvelles | 2915 |
3 |
| Mitsubishi Plastics, Inc. | 326 |
3 |
| Other owners | 92 |