- 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: 1183
10-year publication summary
|
72
|
94
|
83
|
86
|
90
|
104
|
104
|
96
|
99
|
33
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SHPP Global Technologies B.V. | 1045 |
85 |
| Sabic Innovative Plastics IP B.V. | 683 |
69 |
| SABIC Global Technologies B.V. | 4044 |
67 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
60 |
| Shengyi Technology Co., Ltd. | 255 |
54 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
52 |
| Asahi Kasei Chemicals Corporation | 809 |
46 |
| LG Chem, Ltd. | 17205 |
44 |
| General Electric Company | 18133 |
22 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
21 |
| Mitsubishi Engineering-Plastics Corporation | 311 |
18 |
| Solvay Specialty Polymers USA, LLC | 521 |
18 |
| Taiwan Union Technology Corporation | 54 |
15 |
| Elite Electronic Material (Kunshan) Co., Ltd. | 33 |
14 |
| Cheil Industries Inc. | 944 |
13 |
| Elite Material Co., Ltd. | 69 |
13 |
| Toray Industries, Inc. | 6652 |
12 |
| Kingfa SCI & Tech Co. Ltd. | 509 |
12 |
| Lotte Chemical Corporation | 591 |
11 |
| Namics Corporation | 393 |
11 |
| Other owners | 526 |