- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/523 - Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
Patent holdings for IPC class C08K 5/523
Total number of patents in this class: 474
10-year publication summary
|
32
|
30
|
33
|
29
|
30
|
24
|
30
|
31
|
38
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SHPP Global Technologies B.V. | 1104 |
37 |
| BASF SE | 21306 |
34 |
| Kingfa SCI & Tech Co. Ltd. | 712 |
23 |
| Covestro Deutschland AG | 2844 |
21 |
| SABIC Global Technologies B.V. | 4611 |
17 |
| Adeka Corporation | 1380 |
14 |
| LG Chem, Ltd. | 17950 |
10 |
| Dow Global Technologies LLC | 10994 |
10 |
| Lanxess Deutschland GmbH | 1142 |
10 |
| E. I. du Pont de Nemours and Company | 3486 |
9 |
| ICL-IP America Inc. | 141 |
9 |
| Sabic Innovative Plastics IP B.V. | 584 |
6 |
| Lubrizol Advanced Materials, Inc. | 957 |
6 |
| Mitsubishi Engineering-Plastics Corporation | 300 |
6 |
| Lotte Advanced Materials Co., Ltd. | 398 |
6 |
| 3m Innovative Properties Company | 17458 |
5 |
| Bayer Intellectual Property GmbH | 2357 |
5 |
| Mitsubishi Chemical Corporation | 4734 |
5 |
| Daihachi Chemical Industry Co., Ltd. | 60 |
5 |
| FINA Technology, Inc. | 487 |
5 |
| Other owners | 231 |