- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/20 - Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups
Patent holdings for IPC class C08G 63/20
Total number of patents in this class: 244
10-year publication summary
|
12
|
6
|
22
|
11
|
15
|
13
|
19
|
19
|
26
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2215 |
19 |
| PPG Industries Ohio, Inc. | 3458 |
16 |
| BASF SE | 20874 |
13 |
| Kingfa SCI & Tech Co. Ltd. | 626 |
12 |
| Zhuhai Kingfa Biomaterial Co., Ltd. | 19 |
10 |
| Novamont S.p.A. | 351 |
7 |
| Mitsubishi Chemical Corporation | 4488 |
6 |
| DSM IP Assets B.V. | 5601 |
5 |
| Covestro (Netherlands) B.V. | 275 |
5 |
| Kao Corporation | 4952 |
4 |
| Clariant International Ltd. | 940 |
4 |
| Jiangsu Kingfa Sci. & Tech. Advanced Materials Co., Ltd. | 24 |
4 |
| The Procter & Gamble Company | 22043 |
3 |
| Canon Inc. | 39618 |
3 |
| Akzo Nobel Coatings International B.V. | 2096 |
3 |
| Cornell University | 3291 |
3 |
| Stepan Company | 569 |
3 |
| FUJIFILM Business Innovation Corp. | 7580 |
3 |
| LG Chem, Ltd. | 17581 |
2 |
| Rohm and Haas Company | 2916 |
2 |
| Other owners | 117 |