- 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 2/02 - Monocomponent artificial filaments or the like of cellulose or cellulose derivativesManufacture thereof from solutions of cellulose in acids, bases, or salts
Patent holdings for IPC class D01F 2/02
Total number of patents in this class: 238
10-year publication summary
|
12
|
18
|
18
|
18
|
18
|
15
|
39
|
22
|
16
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Treetotextile AB | 57 |
28 |
| Lenzing Aktiengesellschaft | 499 |
26 |
| Infinited Fiber Company Oy | 40 |
9 |
| Aalto University Foundation | 323 |
8 |
| Lin, Chih-hsin | 17 |
8 |
| Eastman Chemical Company | 2096 |
5 |
| Innovia Films Limited | 154 |
5 |
| Kolon Industries, Inc. | 1844 |
5 |
| UPM-Kymmene Corporation | 993 |
5 |
| Technikum Laubholz GmbH | 32 |
5 |
| Grasim Industries Limited | 68 |
4 |
| smartpolymer GmbH | 22 |
4 |
| Nutrition & Biosciences USA 4, Inc. | 243 |
4 |
| Xinxiang Chemical Fibre Co., Ltd. | 8 |
4 |
| Tree to Textile AB | 4 |
4 |
| TreeToTextile AB | 4 |
4 |
| North Carolina State University | 1593 |
3 |
| Oji Holdings Corporation | 798 |
3 |
| Smartfiber AG | 15 |
3 |
| Apani Systems Inc. | 3 |
3 |
| Other owners | 98 |