- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 25/12 - Copolymers of styrene with unsaturated nitriles
Patent holdings for IPC class C08L 25/12
Total number of patents in this class: 942
10-year publication summary
|
59
|
69
|
77
|
96
|
70
|
96
|
100
|
59
|
66
|
39
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17676 |
248 |
| INEOS Styrolution Group GmbH | 347 |
133 |
| Lotte Chemical Corporation | 731 |
65 |
| Lotte Advanced Materials Co., Ltd. | 404 |
55 |
| Techno-UMG Co., Ltd. | 176 |
30 |
| BASF SE | 21017 |
29 |
| Kingfa SCI & Tech Co. Ltd. | 648 |
26 |
| Denka Company Limited | 2629 |
22 |
| Toray Industries, Inc. | 7000 |
16 |
| Nippon a & L Inc. | 89 |
16 |
| SABIC Global Technologies B.V. | 4370 |
16 |
| Kaneka Corporation | 4614 |
13 |
| Cheil Industries Inc. | 847 |
11 |
| Rohm and Haas Company | 2907 |
9 |
| SHPP Global Technologies B.V. | 1089 |
9 |
| Covestro Deutschland AG | 2772 |
8 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 625 |
8 |
| Guangdong Kingfa Technology Co., Ltd. | 21 |
8 |
| Sichuan Kingfa Technology Development Co., Ltd. | 10 |
8 |
| Tianjin Kingfa Material Co,.LTD. | 10 |
8 |
| Other owners | 204 |