- All sections
- C - Chemistry; metallurgy
- 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: 217
10-year publication summary
|
11
|
12
|
6
|
22
|
11
|
14
|
13
|
18
|
18
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2239 |
18 |
| PPG Industries Ohio, Inc. | 3430 |
15 |
| BASF SE | 19740 |
13 |
| Mitsubishi Chemical Corporation | 4313 |
11 |
| DSM IP Assets B.V. | 5856 |
6 |
| Novamont S.p.A. | 354 |
6 |
| Covestro (Netherlands) B.V. | 312 |
6 |
| Kao Corporation | 4843 |
4 |
| Canon Inc. | 36841 |
3 |
| BASF AG | 1258 |
3 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
3 |
| Akzo Nobel Coatings International B.V. | 2185 |
3 |
| Stepan Company | 567 |
3 |
| Clariant Plastics & Coatings Ltd | 85 |
3 |
| FUJIFILM Business Innovation Corp. | 7395 |
3 |
| Avient Switzerland GmbH | 36 |
3 |
| Rohm and Haas Company | 2805 |
2 |
| Dow Global Technologies LLC | 10147 |
2 |
| Toray Industries, Inc. | 6652 |
2 |
| Arkema France | 3790 |
2 |
| Other owners | 106 |