- 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 6/60 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolycondensation products from polyamides
Patent holdings for IPC class D01F 6/60
Total number of patents in this class: 552
10-year publication summary
|
42
|
45
|
44
|
33
|
45
|
56
|
42
|
44
|
34
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7111 |
55 |
| Teijin Aramid B.V. | 168 |
29 |
| E. I. du Pont de Nemours and Company | 3526 |
19 |
| Kolon Industries, Inc. | 1845 |
18 |
| Kordsa Teknik Tekstil A.S. | 116 |
14 |
| Ascend Performance Materials Operations LLC | 266 |
12 |
| Cibt America Inc. | 101 |
12 |
| Cathay Biotech Inc. | 98 |
12 |
| Advansix Resins & Chemicals LLC | 307 |
9 |
| Mitsubishi Gas Chemical Company, Inc. | 3624 |
9 |
| INVISTA Textiles (U.K.) Limited | 269 |
9 |
| DuPont Safety & Construction, Inc. | 680 |
9 |
| President and Fellows of Harvard College | 6092 |
8 |
| Denka Company Limited | 2728 |
8 |
| INVISTA Technologies S.a.r.l. | 391 |
8 |
| Kureha Corporation | 1063 |
8 |
| INV Performance Materials, LLC | 39 |
8 |
| Polytex Sportbeläge Produktions-GmbH | 140 |
7 |
| Teijin Limited | 1285 |
7 |
| DSM IP Assets B.V. | 5373 |
6 |
| Other owners | 285 |