- 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 13/04 - Recovery of starting material, waste material or solvents during the manufacture of man-made filaments or the like of synthetic polymers
Patent holdings for IPC class D01F 13/04
Total number of patents in this class: 43
10-year publication summary
|
0
|
2
|
1
|
4
|
4
|
7
|
5
|
4
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Teijin Aramid B.V. | 168 |
4 |
| Lubrizol Advanced Materials, Inc. | 957 |
3 |
| Tsinghua University | 6233 |
2 |
| Lenzing Aktiengesellschaft | 499 |
2 |
| Polymer Research & Development | 2 |
2 |
| INV Nylon Polymers Americas, LLC | 26 |
2 |
| Alpha Recyclage Composites | 3 |
2 |
| Honda Motor Co., Ltd. | 26105 |
1 |
| E. I. du Pont de Nemours and Company | 3486 |
1 |
| Toyota Motor Corporation | 35927 |
1 |
| Continental Reifen Deutschland GmbH | 2542 |
1 |
| DSM IP Assets B.V. | 5389 |
1 |
| BB Engineering GmbH | 21 |
1 |
| certoplast Technische Klebebänder GmbH | 44 |
1 |
| Eidgenossische Technische Hochschule Zurich | 76 |
1 |
| Equistar Chemicals, LP | 346 |
1 |
| INVISTA North America S.a.r.l. | 176 |
1 |
| Kolon Industries, Inc. | 1850 |
1 |
| Kuraray Co., Ltd. | 3601 |
1 |
| Oerlikon Textile GmbH & Co. KG | 506 |
1 |
| Other owners | 13 |