- All sections
- C - Chemistry; metallurgy
- 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: 57
10-year publication summary
4
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4
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4
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4
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5
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5
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3
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4
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0
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Lanxess Deutschland GmbH | 1104 |
7 |
Hanwha Solutions Corporation | 572 |
7 |
BASF SE | 19740 |
6 |
Rhein Chemie Rheinau GmbH | 42 |
3 |
Stratasys Ltd. | 385 |
3 |
E.I. DuPont de Nemours and Company | 468 |
3 |
Evonik Degussa GmbH | 1574 |
2 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
Arkema France | 3790 |
2 |
Hanwha Chemical Corporation | 325 |
2 |
Johns Manville | 980 |
2 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
2 |
Nanjing University of Technology | 93 |
2 |
E. I. du Pont de Nemours and Company | 4345 |
1 |
Centre National de La Recherche Scientifique | 9632 |
1 |
Ricoh Company, Ltd. | 13266 |
1 |
Covestro Deutschland AG | 2429 |
1 |
East China University of Science and Technology | 473 |
1 |
Graphea, Inc. | 6 |
1 |
GS Caltex Corporation | 131 |
1 |
Other owners | 7 |