- All sections
- D - Textiles; paper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbons; apparatus specially adapted for the manufacture of carbon filaments
- D01F 1/07 - Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
Patent holdings for IPC class D01F 1/07
Total number of patents in this class: 186
10-year publication summary
|
12
|
13
|
19
|
14
|
19
|
18
|
19
|
18
|
20
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4445 |
15 |
| Lenzing Aktiengesellschaft | 529 |
12 |
| QED Labs Inc. | 19 |
9 |
| Toray Advanced Materials Korea Inc. | 222 |
6 |
| Brookwood Companies Incorporated | 44 |
5 |
| Polytex Sportbeläge Produktions-GmbH | 84 |
5 |
| E. I. du Pont de Nemours and Company | 4345 |
4 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 96 |
4 |
| 3m Innovative Properties Company | 18406 |
3 |
| BASF SE | 19740 |
3 |
| Denka Company Limited | 2189 |
3 |
| FRX Polymers, Inc. | 44 |
3 |
| Universal Fibers, Inc. | 49 |
3 |
| Zhejiang Hailide New Material Co., Ltd. | 14 |
3 |
| Ricoh Company, Ltd. | 13266 |
2 |
| Toray Industries, Inc. | 6652 |
2 |
| Albemarle Corporation | 514 |
2 |
| BFS Europe NV | 15 |
2 |
| Bosideng Corporation Limited | 2 |
2 |
| Donghua University | 57 |
2 |
| Other owners | 96 |