- 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: 1451
10-year publication summary
|
98
|
90
|
112
|
104
|
111
|
123
|
69
|
80
|
63
|
41
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17937 |
221 |
| Lotte Advanced Materials Co., Ltd. | 398 |
73 |
| Lotte Chemical Corporation | 787 |
67 |
| Techno-UMG Co., Ltd. | 182 |
66 |
| INEOS Styrolution Group GmbH | 361 |
63 |
| Kaneka Corporation | 4725 |
61 |
| Kingfa SCI & Tech Co. Ltd. | 710 |
38 |
| Toray Industries, Inc. | 7122 |
33 |
| Mitsubishi Chemical Corporation | 4724 |
27 |
| Arkema France | 4249 |
21 |
| Mitsubishi Engineering-Plastics Corporation | 300 |
21 |
| Techno Polymer Co., Ltd. | 58 |
20 |
| Cheil Industries Inc. | 809 |
19 |
| SABIC Global Technologies B.V. | 4610 |
19 |
| Kuraray Co., Ltd. | 3600 |
17 |
| Zeon Corporation | 4155 |
17 |
| Covestro Deutschland AG | 2840 |
16 |
| UMG ABS, Ltd. | 31 |
16 |
| Denka Company Limited | 2738 |
15 |
| Nippon a & L Inc. | 92 |
15 |
| Other owners | 606 |