- All sections
- C - Chemistrymetallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling propertiespreparation of carbon black
- C09C 1/16 - White lead
Patent holdings for IPC class C09C 1/16
Total number of patents in this class: 11
10-year publication summary
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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
|
|---|---|---|
| The Chemours Company Fc, LLC | 1356 |
5 |
| E. I. du Pont de Nemours and Company | 3452 |
4 |
| PPG Industries Ohio, Inc. | 3328 |
2 |
| Other owners | 0 |