- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
Patent holdings for IPC class C08L 51/04
Total number of patents in this class: 1422
10-year publication summary
|
98
|
98
|
90
|
112
|
104
|
111
|
123
|
67
|
78
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17564 |
212 |
| Lotte Advanced Materials Co., Ltd. | 410 |
74 |
| INEOS Styrolution Group GmbH | 343 |
61 |
| Techno-UMG Co., Ltd. | 175 |
61 |
| Kaneka Corporation | 4484 |
59 |
| Lotte Chemical Corporation | 720 |
58 |
| Toray Industries, Inc. | 6906 |
33 |
| Kingfa SCI & Tech Co. Ltd. | 618 |
31 |
| Mitsubishi Chemical Corporation | 4492 |
27 |
| Mitsubishi Engineering-Plastics Corporation | 307 |
24 |
| Techno Polymer Co., Ltd. | 68 |
23 |
| Cheil Industries Inc. | 901 |
22 |
| Arkema France | 4015 |
22 |
| SABIC Global Technologies B.V. | 4302 |
19 |
| Zeon Corporation | 4075 |
17 |
| Covestro Deutschland AG | 2725 |
16 |
| UMG ABS, Ltd. | 32 |
16 |
| BASF SE | 20803 |
15 |
| Denka Company Limited | 2536 |
15 |
| Kuraray Co., Ltd. | 3491 |
15 |
| Other owners | 602 |