- 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: 1331
10-year publication summary
|
83
|
86
|
91
|
104
|
103
|
98
|
101
|
100
|
87
|
55
|
| 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. | 1103 |
106 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
67 |
| SABIC Global Technologies B.V. | 4597 |
67 |
| Sabic Innovative Plastics IP B.V. | 592 |
64 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
63 |
| Shengyi Technology Co., Ltd. | 268 |
55 |
| LG Chem, Ltd. | 17921 |
50 |
| Mitsubishi Gas Chemical Company, Inc. | 3622 |
34 |
| Asahi Kasei Chemicals Corporation | 553 |
29 |
| Elite Material Co., Ltd. | 95 |
25 |
| Elite Electronic Material (Kunshan) Co., Ltd. | 52 |
23 |
| Solvay Specialty Polymers USA, LLC | 505 |
20 |
| Nan Ya Plastics Corporation | 500 |
18 |
| Kingfa SCI & Tech Co. Ltd. | 704 |
17 |
| Mitsubishi Engineering-Plastics Corporation | 300 |
16 |
| Lotte Chemical Corporation | 786 |
15 |
| Taiwan Union Technology Corporation | 66 |
15 |
| Idemitsu Kosan Co., Ltd. | 4235 |
12 |
| Toray Industries, Inc. | 7113 |
12 |
| Namics Corporation | 483 |
12 |
| Other owners | 611 |