- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 75/0259 - Preparatory processes using metal hydrogensulfides
Patent holdings for IPC class C08G 75/0259
Total number of patents in this class: 83
10-year publication summary
|
0
|
2
|
5
|
12
|
14
|
11
|
18
|
9
|
8
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kureha Corporation | 1026 |
29 |
| DIC Corporation | 3597 |
13 |
| Toray Industries, Inc. | 6652 |
11 |
| LG Chem, Ltd. | 17205 |
9 |
| Solvay Specialty Polymers USA, LLC | 521 |
5 |
| Zhejiang Nhu Company Limited | 143 |
5 |
| Zhejiang Nhu Special Materials Co., Ltd | 29 |
5 |
| Zhejiang University | 2619 |
4 |
| Solvay SA | 1181 |
2 |
| Other owners | 0 |