- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/524 - Esters of phosphorous acids, e.g. of H3PO3
Patent holdings for IPC class C08K 5/524
Total number of patents in this class: 450
10-year publication summary
|
26
|
27
|
37
|
45
|
38
|
63
|
45
|
32
|
31
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 3995 |
20 |
| Adeka Corporation | 1333 |
16 |
| Sumitomo Chemical Company, Limited | 8808 |
13 |
| Mitsubishi Engineering-Plastics Corporation | 311 |
13 |
| SABIC Global Technologies B.V. | 4044 |
13 |
| BASF SE | 19740 |
12 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
10 |
| Dow Global Technologies LLC | 10147 |
8 |
| LG Chem, Ltd. | 17205 |
7 |
| Teijin Limited | 1216 |
7 |
| Eastman Chemical Company | 2239 |
6 |
| Kuraray Co., Ltd. | 3392 |
6 |
| Lotte Chemical Corporation | 591 |
6 |
| Unitika Ltd. | 441 |
6 |
| SHPP Global Technologies B.V. | 1045 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
5 |
| Mitsubishi Chemical Corporation | 4313 |
5 |
| Covestro Deutschland AG | 2429 |
5 |
| Cytec Industries Inc. | 407 |
5 |
| Denka Company Limited | 2189 |
5 |
| Other owners | 276 |