- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 25/455 - Phosphates containing halogen
Patent holdings for IPC class C01B 25/455
Total number of patents in this class: 209
10-year publication summary
|
9
|
18
|
8
|
6
|
15
|
4
|
11
|
26
|
10
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stella Chemifa Corporation | 119 |
17 |
| Central Glass Company, Limited | 1297 |
14 |
| Centre National de La Recherche Scientifique | 11133 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
6 |
| Lanxess Deutschland GmbH | 1152 |
6 |
| Bio-Rad Laboratories, Inc. | 1612 |
5 |
| Koito Manufacturing Co., Ltd. | 2504 |
5 |
| Solvay SA | 941 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
4 |
| Mitsubishi Chemical Corporation | 4767 |
4 |
| Kanto Denka Kogyo Co., Ltd. | 144 |
4 |
| Chun Bo.,ltd | 15 |
4 |
| Mu Ionic Solutions Corporation | 170 |
4 |
| Hubei Wanrun New Energy Technology Co.,Ltd. | 89 |
4 |
| Shenzhen Yanyi New Materials Co., Ltd. | 35 |
4 |
| Samsung Electronics Co., Ltd. | 159473 |
3 |
| Honeywell International Inc. | 12767 |
3 |
| Idemitsu Kosan Co., Ltd. | 4298 |
3 |
| Mitsui Chemicals, Inc. | 3288 |
3 |
| Nippon Telegraph and Telephone Corporation | 15901 |
3 |
| Other owners | 101 |