- All sections
- C - Chemistrymetallurgy
- 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: 147
10-year publication summary
|
7
|
13
|
6
|
4
|
12
|
12
|
5
|
8
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SK Chemicals Co., Ltd. | 617 |
14 |
| Eastman Chemical Company | 2212 |
11 |
| Covestro (Netherlands) B.V. | 282 |
8 |
| Toyobo Co., Ltd. | 2468 |
7 |
| Mitsubishi Gas Chemical Company, Inc. | 3498 |
6 |
| FUJIFILM Corporation | 29797 |
4 |
| Covestro Deutschland AG | 2789 |
4 |
| Sociedad Anonima Minera Catalano Aragonesa | 17 |
4 |
| SK Microworks Co., Ltd. | 150 |
4 |
| Industrial Cooperation Foundation Chonbuk National University | 475 |
3 |
| BASF SE | 21072 |
2 |
| LG Chem, Ltd. | 17682 |
2 |
| The Regents of the University of California | 20268 |
2 |
| Bayer MaterialScience AG | 774 |
2 |
| Industrial Technology Research Institute | 5082 |
2 |
| Toray Industries, Inc. | 7007 |
2 |
| Toray Plastics (America), Inc. | 195 |
2 |
| Mitsubishi Rayon Co., Ltd. | 894 |
2 |
| Mitsubishi Chemical Corporation | 4604 |
2 |
| Furanix Technologies B.V. | 131 |
2 |
| Other owners | 62 |