- 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
|
4
|
5
|
5
|
3
|
4
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0
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lanxess Deutschland GmbH | 1113 |
7 |
| BASF SE | 20961 |
6 |
| Hanwha Solutions Corporation | 859 |
6 |
| Rhein Chemie Rheinau GmbH | 42 |
3 |
| Stratasys Ltd. | 428 |
3 |
| Evonik Degussa GmbH | 1494 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10936 |
2 |
| Hanwha Chemical Corporation | 316 |
2 |
| Johns Manville | 956 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3992 |
2 |
| Nanjing University of Technology | 93 |
2 |
| E. I. du Pont de Nemours and Company | 4025 |
1 |
| Centre National de La Recherche Scientifique | 10498 |
1 |
| Ricoh Company, Ltd. | 13292 |
1 |
| Arkema France | 4162 |
1 |
| Covestro Deutschland AG | 2765 |
1 |
| East China University of Science and Technology | 518 |
1 |
| Graphea, Inc. | 6 |
1 |
| GS Caltex Corporation | 146 |
1 |
| Kureha Corporation | 1031 |
1 |
| Other owners | 10 |