- 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 6/80 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from copolycondensation products from copolyamides
Patent holdings for IPC class D01F 6/80
Total number of patents in this class: 149
10-year publication summary
|
11
|
10
|
6
|
2
|
11
|
15
|
8
|
7
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DuPont Safety & Construction, Inc. | 679 |
29 |
| E. I. du Pont de Nemours and Company | 3452 |
21 |
| Kolon Industries, Inc. | 1858 |
13 |
| Teijin Limited | 1294 |
8 |
| Taiwan Textile Research Institute | 150 |
5 |
| DSM IP Assets B.V. | 5395 |
4 |
| INVISTA Technologies S.a.r.l. | 387 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3650 |
4 |
| Teijin Aramid B.V. | 166 |
4 |
| Shakespeare Company, LLC | 167 |
3 |
| Universal Fibers, Inc. | 49 |
3 |
| Ricoh Company, Ltd. | 13407 |
2 |
| Arkema France | 4230 |
2 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1701 |
2 |
| Kureha Corporation | 1091 |
2 |
| Ube Corporation | 463 |
2 |
| Samsung Electronics Co., Ltd. | 159298 |
1 |
| 3m Innovative Properties Company | 17450 |
1 |
| Covidien LP | 10711 |
1 |
| Toray Industries, Inc. | 7163 |
1 |
| Other owners | 37 |