- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/80 - Solid-state polycondensation
Patent holdings for IPC class C08G 63/80
Total number of patents in this class: 273
10-year publication summary
|
15
|
31
|
23
|
15
|
18
|
13
|
22
|
17
|
12
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Furanix Technologies B.V. | 130 |
21 |
| SK Chemicals Co., Ltd. | 614 |
14 |
| Roquette Freres | 1029 |
10 |
| Toray Industries, Inc. | 6950 |
9 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 115 |
7 |
| SABIC Global Technologies B.V. | 4351 |
7 |
| FUJIFILM Corporation | 29437 |
6 |
| Mitsubishi Chemical Corporation | 4525 |
6 |
| Toyobo Co., Ltd. | 2498 |
6 |
| DSM IP Assets B.V. | 5585 |
5 |
| Sociedad Anonima Minera Catalano Aragonesa | 17 |
5 |
| DAK Americas, L.L.C. | 45 |
4 |
| Eastman Chemical Company | 2216 |
4 |
| E. I. du Pont de Nemours and Company | 4050 |
3 |
| Cheil Industries Inc. | 852 |
3 |
| Uop LLC | 4237 |
3 |
| ExxonMobil Chemical Patents Inc. | 3977 |
3 |
| Ester Industries Limited | 19 |
3 |
| Nanjing University | 732 |
3 |
| NatureWorks LLC | 94 |
3 |
| Other owners | 148 |