- All sections
- C - Chemistry; metallurgy
- 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: 268
10-year publication summary
|
16
|
15
|
35
|
26
|
15
|
18
|
13
|
24
|
18
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Furanix Technologies B.V. | 133 |
20 |
| SK Chemicals Co., Ltd. | 568 |
12 |
| Roquette Freres | 1002 |
10 |
| Toray Industries, Inc. | 6652 |
9 |
| DSM IP Assets B.V. | 5856 |
7 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 96 |
7 |
| SABIC Global Technologies B.V. | 4044 |
7 |
| FUJIFILM Corporation | 27102 |
6 |
| Mitsubishi Chemical Corporation | 4313 |
6 |
| E. I. du Pont de Nemours and Company | 4345 |
5 |
| DAK Americas, L.L.C. | 49 |
5 |
| Sociedad Anonima Minera Catalano Aragonesa | 17 |
5 |
| Buhler AG | 531 |
4 |
| Eastman Chemical Company | 2239 |
4 |
| Toyobo Co., Ltd. | 2286 |
4 |
| Hyosung Advanced Materials Corporation | 52 |
4 |
| Cheil Industries Inc. | 944 |
3 |
| Uop LLC | 4083 |
3 |
| ExxonMobil Chemical Patents Inc. | 4286 |
3 |
| Ester Industries Limited | 13 |
3 |
| Other owners | 141 |