- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 17/28 - Urea-aldehyde condensation polymers
Patent holdings for IPC class C09K 17/28
Total number of patents in this class: 5
10-year publication summary
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0
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0
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0
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1
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0
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0
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1
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1
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| North University of China | 92 |
2 |
| BASF SE | 20519 |
1 |
| Ethox Chemicals, LLC | 97 |
1 |
| Shanxi Zhongbei New Material Technology Co., Ltd. | 29 |
1 |
| Other owners | 0 |