- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 71/12 - Polyphenylene oxides
Patent holdings for IPC class C08L 71/12
Total number of patents in this class: 1312
10-year publication summary
|
83
|
86
|
89
|
103
|
101
|
93
|
100
|
98
|
85
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SHPP Global Technologies B.V. | 1092 |
104 |
| SABIC Global Technologies B.V. | 4487 |
67 |
| Sabic Innovative Plastics IP B.V. | 655 |
66 |
| Asahi Kasei Kabushiki Kaisha | 2779 |
64 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
62 |
| Shengyi Technology Co., Ltd. | 266 |
55 |
| LG Chem, Ltd. | 17822 |
49 |
| Asahi Kasei Chemicals Corporation | 571 |
31 |
| Mitsubishi Gas Chemical Company, Inc. | 3587 |
31 |
| Elite Material Co., Ltd. | 91 |
23 |
| Elite Electronic Material (Kunshan) Co., Ltd. | 48 |
22 |
| Solvay Specialty Polymers USA, LLC | 507 |
20 |
| Nan Ya Plastics Corporation | 482 |
18 |
| Kingfa SCI & Tech Co. Ltd. | 668 |
16 |
| Mitsubishi Engineering-Plastics Corporation | 301 |
16 |
| Lotte Chemical Corporation | 749 |
15 |
| Taiwan Union Technology Corporation | 64 |
15 |
| Idemitsu Kosan Co., Ltd. | 4219 |
12 |
| Toray Industries, Inc. | 7038 |
12 |
| Namics Corporation | 473 |
12 |
| Other owners | 602 |