- All sections
- C - Chemistrymetallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling propertiespreparation of carbon black
- C09C 1/32 - Ultramarine
Patent holdings for IPC class C09C 1/32
Total number of patents in this class: 5
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ColorMatrix Holdings, Inc. | 126 |
1 |
| Gelest, Inc. | 179 |
1 |
| Sikemia | 2 |
1 |
| Nissan Chemical Corporation | 2310 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6114 |
1 |
| Other owners | 0 |