- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 35/029 - Amino naphthol
Patent holdings for IPC class C09B 35/029
Total number of patents in this class: 4
10-year publication summary
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0
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1
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0
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1
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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Beckman Coulter, Inc. | 1347 |
1 |
| Nippon Kayaku Kabushiki Kaisha | 1471 |
1 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 3015 |
1 |
| Clariant Plastics & Coatings Ltd | 82 |
1 |
| Other owners | 0 |