- 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: 413
10-year publication summary
|
32
|
32
|
32
|
30
|
33
|
28
|
28
|
24
|
30
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SHPP Global Technologies B.V. | 1045 |
33 |
| BASF SE | 19740 |
31 |
| Covestro Deutschland AG | 2429 |
17 |
| Kingfa SCI & Tech Co. Ltd. | 509 |
16 |
| SABIC Global Technologies B.V. | 4044 |
16 |
| Adeka Corporation | 1333 |
14 |
| E. I. du Pont de Nemours and Company | 4345 |
10 |
| Dow Global Technologies LLC | 10147 |
10 |
| ICL-IP America Inc. | 136 |
9 |
| Bayer MaterialScience AG | 874 |
8 |
| Sabic Innovative Plastics IP B.V. | 683 |
7 |
| Lotte Advanced Materials Co., Ltd. | 434 |
7 |
| Lubrizol Advanced Materials, Inc. | 949 |
6 |
| 3m Innovative Properties Company | 18406 |
5 |
| Bayer Intellectual Property GmbH | 2671 |
5 |
| Cheil Industries Inc. | 944 |
5 |
| Albemarle Corporation | 514 |
5 |
| Daihachi Chemical Industry Co., Ltd. | 63 |
5 |
| Shengyi Technology Co., Ltd. | 255 |
5 |
| DuPont Polymers, Inc. | 338 |
5 |
| Other owners | 194 |