- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 29/039 - Monoazo dyes prepared by diazotising and coupling characterised by the diazo component from diazotised amines containing a heterocyclic ring the heterocyclic ring containing nitrogen and sulfur as hetero atoms
Patent holdings for IPC class C09B 29/039
Total number of patents in this class: 12
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30689 |
3 |
| Mitsubishi Rayon Co., Ltd. | 847 |
2 |
| Mitsubishi Chemical Corporation | 4746 |
2 |
| Colourtex Industries Limited | 8 |
2 |
| DyStar Colours Deutschland GmbH | 25 |
2 |
| Dongjin Semichem Co., Ltd. | 515 |
1 |
| Other owners | 0 |