- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 31/147 - Pyrazoles
Patent holdings for IPC class C09B 31/147
Total number of patents in this class: 19
10-year publication summary
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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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2
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2
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0
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0
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Chemical Corporation | 4767 |
5 |
| Mitsubishi Rayon Co., Ltd. | 844 |
3 |
| Pharmacyclics LLC | 242 |
3 |
| Cabot Corporation | 548 |
1 |
| DyStar Colours Distribution GmbH | 160 |
1 |
| Hodogaya Chemical Co., Ltd. | 434 |
1 |
| Nippon Kayaku Kabushiki Kaisha | 1475 |
1 |
| The Trustees of Indiana University | 848 |
1 |
| The Board of Regents of the University of Texas System | 2315 |
1 |
| Teon Therapeutics, Inc. | 30 |
1 |
| Syntabio LLC | 3 |
1 |
| Other owners | 0 |