- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 2/28 - Post-polymerisation treatments
Patent holdings for IPC class C08G 2/28
Total number of patents in this class: 34
10-year publication summary
|
3
|
3
|
3
|
1
|
2
|
3
|
3
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
7 |
| BASF SE | 19740 |
5 |
| BASF AG | 1258 |
5 |
| Polyplastics Co., Ltd. | 563 |
5 |
| Celanese International Corporation | 879 |
2 |
| Jiangsu Kaimao Chemical Technology Co., Ltd | 4 |
2 |
| Kolon Plastics, Inc. | 69 |
2 |
| Ticona GmbH | 58 |
2 |
| Thai Polyacetal Co., Ltd . | 4 |
2 |
| Bayer MaterialScience AG | 874 |
1 |
| Celanese Sales Germany GmbH | 144 |
1 |
| Other owners | 0 |