- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/60 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
Patent holdings for IPC class C08G 63/60
Total number of patents in this class: 496
10-year publication summary
|
20
|
25
|
31
|
37
|
32
|
42
|
49
|
44
|
39
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8979 |
55 |
| Toray Industries, Inc. | 6848 |
22 |
| Ticona LLC | 576 |
22 |
| Polyplastics Co., Ltd. | 579 |
19 |
| SK Chemicals Co., Ltd. | 591 |
18 |
| Kingfa SCI & Tech Co. Ltd. | 577 |
14 |
| ENEOS Corporation | 583 |
13 |
| Solvay Specialty Polymers USA, LLC | 559 |
12 |
| Eneos Materials Corporation | 236 |
10 |
| BASF SE | 20403 |
9 |
| Kuraray Co., Ltd. | 3461 |
9 |
| JXTG Nippon Oil & Energy Corporation | 324 |
8 |
| Mitsubishi Chemical Corporation | 4446 |
7 |
| Mitsubishi Gas Chemical Company, Inc. | 3345 |
7 |
| Nitto Denko Corporation | 8085 |
6 |
| Eastman Chemical Company | 2256 |
6 |
| Chang Chun Plastics Co., Ltd. | 89 |
5 |
| E. I. du Pont de Nemours and Company | 4251 |
4 |
| Industrial Technology Research Institute | 4958 |
4 |
| Henkel AG & Co. KGaA | 10343 |
4 |
| Other owners | 242 |