- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 65/46 - Post-polymerisation treatment, e.g. recovery, purification, drying
Patent holdings for IPC class C08G 65/46
Total number of patents in this class: 144
10-year publication summary
|
7
|
11
|
11
|
9
|
11
|
17
|
12
|
12
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
12 |
| Solvay Specialty Polymers USA, LLC | 521 |
12 |
| E. I. du Pont de Nemours and Company | 4345 |
10 |
| Arkema France | 3790 |
9 |
| Sabic Innovative Plastics IP B.V. | 683 |
6 |
| Cytec Industries Inc. | 407 |
6 |
| SK Chemicals Co., Ltd. | 568 |
5 |
| Hanwha Solutions Corporation | 572 |
5 |
| Sumitomo Chemical Company, Limited | 8808 |
4 |
| Hexcel Corporation | 305 |
4 |
| SHPP Global Technologies B.V. | 1045 |
4 |
| NOK Corporation | 2108 |
3 |
| General Electric Company | 18133 |
2 |
| LG Chem, Ltd. | 17205 |
2 |
| Bayer MaterialScience AG | 874 |
2 |
| Toray Industries, Inc. | 6652 |
2 |
| Kaneka Corporation | 4445 |
2 |
| EOS GmbH Electro Optical Systems | 398 |
2 |
| Freudenberg SE | 23 |
2 |
| Hanwha Chemical Corporation | 325 |
2 |
| Other owners | 48 |