- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 13/04 - Ingredients characterised by their shape and organic or inorganic ingredients
Patent holdings for IPC class C08K 13/04
Total number of patents in this class: 381
10-year publication summary
|
15
|
10
|
29
|
24
|
35
|
28
|
51
|
58
|
37
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kingfa SCI & Tech Co. Ltd. | 509 |
40 |
| BASF SE | 19740 |
10 |
| Clariant International Ltd. | 978 |
6 |
| Wintech Polymer Ltd. | 95 |
6 |
| Ticona LLC | 547 |
5 |
| NEC Corporation | 32703 |
4 |
| Sumitomo Chemical Company, Limited | 8808 |
4 |
| Kaneka Corporation | 4445 |
4 |
| Hilti Aktiengesellschaft | 3227 |
4 |
| Mitsubishi Engineering-Plastics Corporation | 311 |
4 |
| Polyplastics Co., Ltd. | 563 |
4 |
| Guangdong Kingfa Technology Co., Ltd. | 21 |
4 |
| Nantong Zhanpeng Plastics Co., Ltd. | 6 |
4 |
| Sichuan Kingfa Technology Development Co., Ltd. | 10 |
4 |
| Tianjin Kingfa Material Co,.LTD. | 10 |
4 |
| LG Chem, Ltd. | 17205 |
3 |
| E. I. du Pont de Nemours and Company | 4345 |
3 |
| Murata Manufacturing Co., Ltd. | 22355 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
3 |
| Celanese Sales Germany GmbH | 144 |
3 |
| Other owners | 259 |