- All sections
- C - Chemistry; metallurgy
- 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: 423
10-year publication summary
|
32
|
32
|
30
|
33
|
28
|
29
|
24
|
30
|
29
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SHPP Global Technologies B.V. | 1059 |
34 |
| BASF SE | 20387 |
31 |
| Covestro Deutschland AG | 2685 |
19 |
| Kingfa SCI & Tech Co. Ltd. | 576 |
17 |
| SABIC Global Technologies B.V. | 4193 |
16 |
| Adeka Corporation | 1340 |
14 |
| E. I. du Pont de Nemours and Company | 4252 |
10 |
| Dow Global Technologies LLC | 10143 |
10 |
| ICL-IP America Inc. | 140 |
9 |
| Bayer MaterialScience AG | 840 |
7 |
| Sabic Innovative Plastics IP B.V. | 683 |
7 |
| Lotte Advanced Materials Co., Ltd. | 411 |
7 |
| LG Chem, Ltd. | 17632 |
6 |
| Lanxess Deutschland GmbH | 1119 |
6 |
| Lubrizol Advanced Materials, Inc. | 941 |
6 |
| 3m Innovative Properties Company | 17955 |
5 |
| Bayer Intellectual Property GmbH | 2572 |
5 |
| Albemarle Corporation | 509 |
5 |
| Daihachi Chemical Industry Co., Ltd. | 62 |
5 |
| Shengyi Technology Co., Ltd. | 261 |
5 |
| Other owners | 199 |