- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/51 - Phosphorus bound to oxygen
Patent holdings for IPC class C08K 5/51
Total number of patents in this class: 278
10-year publication summary
|
14
|
18
|
13
|
17
|
18
|
8
|
11
|
16
|
15
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21318 |
15 |
| Sumitomo Chemical Company, Limited | 8968 |
7 |
| LG Chem, Ltd. | 17937 |
6 |
| Kuraray Co., Ltd. | 3597 |
6 |
| SI Group, Inc. | 184 |
6 |
| Teijin Limited | 1287 |
6 |
| Toyobo Co., Ltd. | 2532 |
6 |
| Dover Chemical Corporation | 63 |
5 |
| Lubrizol Advanced Materials, Inc. | 955 |
5 |
| Mitsubishi Chemical Corporation | 4726 |
4 |
| Adeka Corporation | 1380 |
4 |
| Covestro Deutschland AG | 2841 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3631 |
4 |
| Rhodia (China) Co., Ltd. | 31 |
4 |
| SABIC Global Technologies B.V. | 4605 |
4 |
| Wintech Polymer Ltd. | 91 |
4 |
| Surmodics Coatings, LLC | 70 |
4 |
| Konica Minolta Opto, Inc. | 905 |
3 |
| Idemitsu Kosan Co., Ltd. | 4253 |
3 |
| Cytec Technology Corp. | 259 |
3 |
| Other owners | 175 |