- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 62/44 - Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group not directly attached to a heterocyclic ring
Patent holdings for IPC class C09B 62/44
Total number of patents in this class: 42
10-year publication summary
|
7
|
3
|
1
|
6
|
0
|
1
|
3
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huntsman Advanced Materials (Switzerland) GmbH | 131 |
13 |
| DyStar Colours Deutschland GmbH | 25 |
4 |
| DyStar Colours Distribution GmbH | 172 |
4 |
| DyStar Textilfarben GmbH & Co. Deutschland KG | 60 |
4 |
| Milliken & Company | 1253 |
4 |
| Colourtex Industries Limited | 8 |
3 |
| Huntsman International LLC | 708 |
3 |
| Johnson & Johnson Vision Care, Inc. | 1255 |
2 |
| Archroma IP GmbH | 460 |
2 |
| Dalian University of Technology | 1387 |
1 |
| Morgan State University | 57 |
1 |
| Bezema AG | 1 |
1 |
| Other owners | 0 |