- All sections
- C - Chemistry; metallurgy
- 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: 685
10-year publication summary
|
44
|
48
|
50
|
53
|
50
|
35
|
41
|
41
|
27
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Engineering-Plastics Corporation | 311 |
24 |
| BASF SE | 19740 |
21 |
| Dow Global Technologies LLC | 10147 |
21 |
| Toray Industries, Inc. | 6652 |
20 |
| Kaneka Corporation | 4445 |
17 |
| LG Chem, Ltd. | 17205 |
15 |
| SABIC Global Technologies B.V. | 4044 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
14 |
| Mitsubishi Chemical Corporation | 4313 |
13 |
| Idemitsu Kosan Co., Ltd. | 3995 |
12 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
11 |
| SHPP Global Technologies B.V. | 1045 |
11 |
| Shengyi Technology Co., Ltd. | 255 |
10 |
| Teijin Limited | 1216 |
10 |
| Adeka Corporation | 1333 |
9 |
| Lotte Chemical Corporation | 591 |
9 |
| SK Chemicals Co., Ltd. | 568 |
8 |
| Denka Company Limited | 2189 |
7 |
| Wintech Polymer Ltd. | 95 |
7 |
| FUJIFILM Corporation | 27102 |
6 |
| Other owners | 425 |