- 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 8/02 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
Patent holdings for IPC class D01F 8/02
Total number of patents in this class: 116
10-year publication summary
|
4
|
6
|
11
|
13
|
15
|
24
|
15
|
7
|
11
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Fluorofibers (America), Inc. | 22 |
3 |
| Kolon Industries, Inc. | 1506 |
3 |
| Spiber Inc. | 293 |
3 |
| Seevix Material Sciences Ltd. | 23 |
3 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
2 |
| The United States of America as represented by the Secretary of the Army | 1195 |
2 |
| Brrr! Incorporated | 25 |
2 |
| Carl Freudenberg KG | 1346 |
2 |
| Eastman Chemical Company | 2239 |
2 |
| Innovia Films Limited | 148 |
2 |
| Mitsubishi Paper Mills Limited | 246 |
2 |
| Rensselaer Polytechnic Institute | 776 |
2 |
| Stora Enso Oyj | 1504 |
2 |
| Teknologian Tutkimuskeskus VTT Oy | 471 |
2 |
| Thomas Jefferson University | 502 |
2 |
| Silk Biomaterials S.r.l. | 16 |
2 |
| Mitsubishi Rayon Textile Co., Ltd. | 5 |
2 |
| Ecofibre USA Inc. | 19 |
2 |
| Suzano S.A. | 181 |
2 |
| Bast Fibre Technologies Inc. | 27 |
2 |
| Other owners | 72 |