- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/18 - Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
Patent holdings for IPC class C08G 63/18
Total number of patents in this class: 150
10-year publication summary
|
4
|
7
|
15
|
7
|
4
|
13
|
10
|
5
|
8
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2239 |
13 |
| SK Chemicals Co., Ltd. | 568 |
13 |
| Toyobo Co., Ltd. | 2286 |
7 |
| Covestro (Netherlands) B.V. | 312 |
7 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
5 |
| FUJIFILM Corporation | 27102 |
4 |
| Covestro Deutschland AG | 2429 |
4 |
| Sociedad Anonima Minera Catalano Aragonesa | 17 |
4 |
| Toray Industries, Inc. | 6652 |
3 |
| Mitsubishi Chemical Corporation | 4313 |
3 |
| Industrial Cooperation Foundation Chonbuk National University | 434 |
3 |
| BASF SE | 19740 |
2 |
| LG Chem, Ltd. | 17205 |
2 |
| The Regents of the University of California | 18943 |
2 |
| Bayer MaterialScience AG | 874 |
2 |
| Industrial Technology Research Institute | 4898 |
2 |
| Sumitomo Chemical Company, Limited | 8808 |
2 |
| Toray Plastics (America), Inc. | 196 |
2 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
2 |
| Furanix Technologies B.V. | 133 |
2 |
| Other owners | 66 |