- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 1/473 - Dyes with acylated amino groups the acyl groups being residues of a sulfonic acid
Patent holdings for IPC class C09B 1/473
Total number of patents in this class: 3
10-year publication summary
|
1
|
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
|
|---|---|---|
| Rolic AG | 64 |
2 |
| CooperVision International Holding Company, LP | 110 |
1 |
| Other owners | 0 |