- 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 2/14 - Addition of pigments
Patent holdings for IPC class D01F 2/14
Total number of patents in this class: 17
10-year publication summary
|
1
|
2
|
3
|
3
|
2
|
0
|
1
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 499 |
6 |
| BASF SE | 21306 |
1 |
| Aditya Birla Science and Technology Company Private Limited | 10 |
1 |
| Daiwabo Holdings Co., Ltd. | 48 |
1 |
| Daiwabo Rayon Co., Ltd. | 12 |
1 |
| Ruan Co., Ltd. | 16 |
1 |
| CHT Germany GmbH | 93 |
1 |
| Viscose Faser GmbH | 2 |
1 |
| E. Miroglio JSC | 1 |
1 |
| E. Miroglio Joint- Stock Company | 2 |
1 |
| Jiangsu Goldsun Textile Science and Technology Co., Ltd | 12 |
1 |
| OSM Shield | 2 |
1 |
| Other owners | 0 |