- 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 1/02 - Addition of substances to the spinning solution or to the melt
Patent holdings for IPC class D01F 1/02
Total number of patents in this class: 262
10-year publication summary
|
21
|
20
|
22
|
9
|
21
|
19
|
14
|
26
|
14
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 512 |
8 |
| Polytex Sportbeläge Produktions-GmbH | 120 |
5 |
| Aquapak IP Limited | 28 |
5 |
| Eastman Chemical Company | 2104 |
4 |
| Orthorebirth Co. Ltd. | 33 |
4 |
| Stratasys, Inc. | 847 |
4 |
| Spinnova Oyj | 38 |
4 |
| The Boeing Company | 20113 |
3 |
| Kimberly-clark Worldwide, Inc. | 5315 |
3 |
| DSM IP Assets B.V. | 5457 |
3 |
| Kolon Industries, Inc. | 1753 |
3 |
| National University Corporation Nagoya Institute of Technology | 98 |
3 |
| Nicolon Corporation | 58 |
3 |
| Shakespeare Company, LLC | 163 |
3 |
| Wacker Chemie AG | 2106 |
3 |
| Xinxiang Chemical Fibre Co., Ltd. | 8 |
3 |
| 3m Innovative Properties Company | 17565 |
2 |
| LG Chem, Ltd. | 17786 |
2 |
| Centre National de La Recherche Scientifique | 10855 |
2 |
| Dow Global Technologies LLC | 10754 |
2 |
| Other owners | 193 |