- 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: 605
10-year publication summary
|
41
|
35
|
53
|
61
|
36
|
30
|
39
|
25
|
34
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 500 |
99 |
| Kolon Industries, Inc. | 1868 |
34 |
| KT & G Corporation | 3196 |
26 |
| The Procter & Gamble Company | 21892 |
14 |
| Oji Holdings Corporation | 813 |
14 |
| Nippon Paper Industries Co., Ltd. | 858 |
11 |
| Aurotec GmbH | 45 |
10 |
| List Technology AG | 44 |
10 |
| Lin, Chih-hsin | 17 |
10 |
| China Textile Academy | 15 |
9 |
| Spinnova Oy | 22 |
8 |
| Altria Client Services LLC | 2492 |
7 |
| smartpolymer GmbH | 22 |
7 |
| Treetotextile AB | 59 |
7 |
| Spinnova Oyj | 46 |
7 |
| Bridgestone Corporation | 7283 |
6 |
| Deutsche Institute fur Textil -und Faserforschung Denkendorf | 74 |
6 |
| Fiberlean Technologies Limited | 98 |
6 |
| Innovia Films Limited | 154 |
6 |
| SAPPI Netherlands Services B.V. | 37 |
6 |
| Other owners | 302 |