- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 69/20 - Anionic polymerisation characterised by the catalysts used
Patent holdings for IPC class C08G 69/20
Total number of patents in this class: 56
10-year publication summary
|
4
|
4
|
5
|
5
|
3
|
4
|
0
|
3
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21136 |
8 |
| Lanxess Deutschland GmbH | 1136 |
6 |
| Hanwha Solutions Corporation | 1021 |
6 |
| Rhein Chemie Rheinau GmbH | 41 |
3 |
| Stratasys Ltd. | 439 |
3 |
| Evonik Degussa GmbH | 1421 |
2 |
| Hanwha Chemical Corporation | 312 |
2 |
| Johns Manville | 927 |
2 |
| Kureha Corporation | 1049 |
2 |
| Nanjing University of Technology | 93 |
2 |
| BASF (China) Co., Ltd. | 871 |
2 |
| E. I. du Pont de Nemours and Company | 3700 |
1 |
| Centre National de La Recherche Scientifique | 10853 |
1 |
| Ricoh Company, Ltd. | 13305 |
1 |
| Arkema France | 4181 |
1 |
| Covestro Deutschland AG | 2796 |
1 |
| East China University of Science and Technology | 539 |
1 |
| Graphea, Inc. | 6 |
1 |
| GS Caltex Corporation | 152 |
1 |
| L. Bruggemann KG | 1 |
1 |
| Other owners | 9 |