- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/35 - Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring
Patent holdings for IPC class C08K 5/35
Total number of patents in this class: 45
10-year publication summary
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5
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0
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5
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3
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2
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2
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0
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3
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1
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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
|
|---|---|---|
| FUJIFILM Corporation | 29188 |
6 |
| Henkel AG & Co. KGaA | 10424 |
3 |
| Huntsman Advanced Materials Americas LLC | 141 |
3 |
| OMG UK Technology Ltd. | 13 |
3 |
| Henkel Corporation | 1212 |
3 |
| Henkel IP & Holding GmbH | 569 |
2 |
| Kureha Corporation | 1017 |
2 |
| Evonik Operations GmbH | 4032 |
2 |
| Merck Patent GmbH | 5831 |
1 |
| BASF Corporation | 1709 |
1 |
| Hitachi Chemical Company, Ltd. | 2362 |
1 |
| BASF AG | 425 |
1 |
| Nitto Denko Corporation | 8169 |
1 |
| Konica Minolta Holdings, Inc. | 948 |
1 |
| Mitsubishi Chemical Corporation | 4473 |
1 |
| Kaneka Corporation | 4488 |
1 |
| Huntsman International LLC | 720 |
1 |
| Namics Corporation | 435 |
1 |
| Polyplastics Co., Ltd. | 601 |
1 |
| Rhodia Chimie | 60 |
1 |
| Other owners | 9 |