- 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 2/00 - Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
Patent holdings for IPC class D01F 2/00
Total number of patents in this class: 561
10-year publication summary
|
34
|
41
|
41
|
35
|
53
|
61
|
34
|
28
|
39
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 529 |
104 |
| Kolon Industries, Inc. | 1506 |
22 |
| The Procter & Gamble Company | 22178 |
19 |
| KT & G Corporation | 1876 |
14 |
| Oji Holdings Corporation | 660 |
13 |
| Nippon Paper Industries Co., Ltd. | 782 |
11 |
| List Technology AG | 42 |
10 |
| Lin, Chih-hsin | 17 |
10 |
| Aurotec GmbH | 45 |
9 |
| Spinnova Oy | 28 |
9 |
| Fiberlean Technologies Limited | 116 |
8 |
| UPM-Kymmene Corporation | 868 |
8 |
| smartpolymer GmbH | 21 |
7 |
| Bridgestone Corporation | 7067 |
6 |
| Altria Client Services LLC | 1866 |
6 |
| China Textile Academy | 11 |
6 |
| Deutsche Institute fur Textil -und Faserforschung Denkendorf | 67 |
6 |
| Innovia Films Limited | 148 |
6 |
| SAPPI Netherlands Services B.V. | 45 |
6 |
| Stora Enso Oyj | 1504 |
6 |
| Other owners | 275 |