- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 67/52 - Crystalline modifications of pigments or dyestuff of quinacridones
Patent holdings for IPC class C09B 67/52
Total number of patents in this class: 14
10-year publication summary
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0
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1
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1
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2
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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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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xerox Corporation | 7002 |
2 |
| DIC Corporation | 3801 |
2 |
| Sun Chemical B.V. | 363 |
2 |
| Pigments Services, Inc. | 12 |
2 |
| Ciba Holding Inc. | 177 |
1 |
| Clariant Finance (BVI) Limited | 386 |
1 |
| Clariant International Ltd. | 932 |
1 |
| e Ink Corporation | 1501 |
1 |
| Sun Chemical Corporation | 839 |
1 |
| Westcott Materials, LLC | 6 |
1 |
| Other owners | 0 |