- 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 2/00 - Monocomponent artificial filaments or the like of cellulose or cellulose derivativesManufacture thereof
Patent holdings for IPC class D01F 2/00
Total number of patents in this class: 588
10-year publication summary
|
36
|
36
|
31
|
48
|
56
|
35
|
28
|
37
|
24
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 517 |
104 |
| Kolon Industries, Inc. | 1712 |
28 |
| KT & G Corporation | 2714 |
20 |
| The Procter & Gamble Company | 21993 |
14 |
| Oji Holdings Corporation | 738 |
13 |
| Nippon Paper Industries Co., Ltd. | 833 |
11 |
| List Technology AG | 46 |
11 |
| Lin, Chih-hsin | 17 |
10 |
| Aurotec GmbH | 45 |
9 |
| China Textile Academy | 13 |
8 |
| Spinnova Oy | 26 |
8 |
| UPM-Kymmene Corporation | 951 |
8 |
| Altria Client Services LLC | 2258 |
7 |
| smartpolymer GmbH | 22 |
7 |
| Spinnova Oyj | 31 |
7 |
| Bridgestone Corporation | 7213 |
6 |
| Deutsche Institute fur Textil -und Faserforschung Denkendorf | 73 |
6 |
| Fiberlean Technologies Limited | 112 |
6 |
| Innovia Films Limited | 153 |
6 |
| SAPPI Netherlands Services B.V. | 37 |
6 |
| Other owners | 293 |