- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/49 - Phosphorus-containing compounds
Patent holdings for IPC class C08K 5/49
Total number of patents in this class: 717
10-year publication summary
|
48
|
50
|
53
|
50
|
36
|
41
|
43
|
29
|
45
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Engineering-Plastics Corporation | 307 |
23 |
| BASF SE | 20803 |
22 |
| Dow Global Technologies LLC | 10384 |
21 |
| Toray Industries, Inc. | 6906 |
21 |
| Panasonic Intellectual Property Management Co., Ltd. | 31022 |
18 |
| Kaneka Corporation | 4484 |
16 |
| LG Chem, Ltd. | 17564 |
14 |
| Mitsubishi Gas Chemical Company, Inc. | 3443 |
14 |
| SABIC Global Technologies B.V. | 4302 |
14 |
| Mitsubishi Chemical Corporation | 4492 |
13 |
| Idemitsu Kosan Co., Ltd. | 4166 |
11 |
| Lotte Chemical Corporation | 720 |
11 |
| Teijin Limited | 1236 |
11 |
| Shengyi Technology Co., Ltd. | 261 |
10 |
| SHPP Global Technologies B.V. | 1078 |
10 |
| Adeka Corporation | 1361 |
9 |
| SK Chemicals Co., Ltd. | 608 |
8 |
| FUJIFILM Corporation | 29251 |
7 |
| Henkel AG & Co. KGaA | 10482 |
7 |
| Denka Company Limited | 2536 |
7 |
| Other owners | 450 |