- All sections
- D - Textilespaper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbonsapparatus specially adapted for the manufacture of carbon filaments
- D01F 2/16 - Addition of dyes to the spinning solution
Patent holdings for IPC class D01F 2/16
Total number of patents in this class: 7
10-year publication summary
|
1
|
0
|
1
|
2
|
1
|
0
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 523 |
2 |
| Aditya Birla Science & Technology Co. Ltd. | 31 |
1 |
| E. Miroglio Joint- Stock Company | 2 |
1 |
| Jiangsu Goldsun Textile Science and Technology Co., Ltd | 12 |
1 |
| Sol Flame-retardant Fiber Limited (Beijing) | 2 |
1 |
| Cordenka Innovations GmbH | 5 |
1 |
| Other owners | 0 |