- All sections
- C - Chemistry; metallurgy
- 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: 1228
10-year publication summary
|
94
|
83
|
86
|
90
|
104
|
103
|
96
|
99
|
97
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SHPP Global Technologies B.V. | 1059 |
91 |
| Sabic Innovative Plastics IP B.V. | 683 |
69 |
| SABIC Global Technologies B.V. | 4186 |
67 |
| Asahi Kasei Kabushiki Kaisha | 2555 |
62 |
| Panasonic Intellectual Property Management Co., Ltd. | 29567 |
55 |
| Shengyi Technology Co., Ltd. | 261 |
55 |
| LG Chem, Ltd. | 17620 |
44 |
| Asahi Kasei Chemicals Corporation | 725 |
43 |
| Mitsubishi Gas Chemical Company, Inc. | 3334 |
24 |
| Solvay Specialty Polymers USA, LLC | 559 |
19 |
| Mitsubishi Engineering-Plastics Corporation | 308 |
18 |
| General Electric Company | 17801 |
16 |
| Elite Electronic Material (Kunshan) Co., Ltd. | 37 |
15 |
| Taiwan Union Technology Corporation | 57 |
15 |
| Elite Material Co., Ltd. | 76 |
14 |
| Nan Ya Plastics Corporation | 359 |
14 |
| Lotte Chemical Corporation | 658 |
13 |
| Cheil Industries Inc. | 912 |
12 |
| Toray Industries, Inc. | 6843 |
12 |
| Kingfa SCI & Tech Co. Ltd. | 576 |
12 |
| Other owners | 558 |