- 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: 718
10-year publication summary
|
50
|
53
|
50
|
36
|
41
|
43
|
29
|
45
|
31
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21303 |
22 |
| Dow Global Technologies LLC | 10944 |
21 |
| Mitsubishi Engineering-Plastics Corporation | 300 |
21 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
20 |
| Toray Industries, Inc. | 7113 |
20 |
| Kaneka Corporation | 4703 |
17 |
| Mitsubishi Gas Chemical Company, Inc. | 3622 |
15 |
| LG Chem, Ltd. | 17921 |
14 |
| SABIC Global Technologies B.V. | 4597 |
14 |
| Mitsubishi Chemical Corporation | 4724 |
13 |
| Teijin Limited | 1282 |
13 |
| Idemitsu Kosan Co., Ltd. | 4235 |
12 |
| Lotte Chemical Corporation | 786 |
12 |
| Shengyi Technology Co., Ltd. | 268 |
10 |
| SHPP Global Technologies B.V. | 1103 |
10 |
| Henkel AG & Co. KGaA | 10770 |
9 |
| Adeka Corporation | 1377 |
9 |
| SK Chemicals Co., Ltd. | 650 |
9 |
| FUJIFILM Corporation | 30514 |
8 |
| Denka Company Limited | 2720 |
7 |
| Other owners | 442 |