- 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: 1264
10-year publication summary
|
94
|
83
|
86
|
90
|
104
|
102
|
96
|
100
|
98
|
52
|
| 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. | 1090 |
93 |
| Sabic Innovative Plastics IP B.V. | 681 |
69 |
| SABIC Global Technologies B.V. | 4347 |
67 |
| Asahi Kasei Kabushiki Kaisha | 2677 |
62 |
| Panasonic Intellectual Property Management Co., Ltd. | 31515 |
56 |
| Shengyi Technology Co., Ltd. | 262 |
55 |
| LG Chem, Ltd. | 17639 |
47 |
| Asahi Kasei Chemicals Corporation | 678 |
37 |
| Mitsubishi Gas Chemical Company, Inc. | 3466 |
28 |
| Solvay Specialty Polymers USA, LLC | 587 |
20 |
| Elite Electronic Material (Kunshan) Co., Ltd. | 44 |
18 |
| Elite Material Co., Ltd. | 83 |
18 |
| Mitsubishi Engineering-Plastics Corporation | 308 |
17 |
| Kingfa SCI & Tech Co. Ltd. | 640 |
15 |
| Nan Ya Plastics Corporation | 431 |
15 |
| Taiwan Union Technology Corporation | 61 |
15 |
| Lotte Chemical Corporation | 728 |
13 |
| Toray Industries, Inc. | 6951 |
12 |
| Namics Corporation | 443 |
12 |
| General Electric Company | 13808 |
11 |
| Other owners | 584 |