- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 33/044 - Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound the coupling component being a bis-phenol
Patent holdings for IPC class C09B 33/044
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
|
|---|---|---|
| FUJIFILM Corporation | 30155 |
2 |
| The United States of America as represented by the Secretary of the Army | 1236 |
1 |
| Beam Engineering for Advanced Measurements Co. | 35 |
1 |
| DIC Corporation | 3900 |
1 |
| Other owners | 0 |