- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 47/22 - Obtaining compounds having nitrogen atoms directly bound to the phthalocyanine skeleton
Patent holdings for IPC class C09B 47/22
Total number of patents in this class: 10
10-year publication summary
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0
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2
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0
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0
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1
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3
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1
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1
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2
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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 | 29437 |
3 |
| Sumitomo Chemical Company, Limited | 9043 |
2 |
| BASF SE | 20940 |
1 |
| Case Western Reserve University | 1825 |
1 |
| Nippon Shokubai Co., Ltd. | 1510 |
1 |
| Viavi Solutions Inc. | 1440 |
1 |
| Yamada Chemical Co., Ltd. | 6 |
1 |
| Other owners | 0 |