- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 43/32 - Preparation of azo dyes from other azo compounds by reacting carboxyl or sulfonic groups, or derivatives thereof, with aminesPreparation of azo dyes from other azo compounds by reacting keto groups with amines
Patent holdings for IPC class C09B 43/32
Total number of patents in this class: 4
10-year publication summary
|
2
|
2
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29437 |
3 |
| Sumitomo Chemical Company, Limited | 9043 |
1 |
| Other owners | 0 |