- 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 6/66 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolycondensation products from polyethers
Patent holdings for IPC class D01F 6/66
Total number of patents in this class: 89
10-year publication summary
|
8
|
9
|
6
|
5
|
11
|
4
|
6
|
2
|
3
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3599 |
9 |
| Fresenius Medical Care Holdings, Inc. | 1424 |
5 |
| Toyobo MC Corporation | 519 |
5 |
| The Procter & Gamble Company | 21919 |
4 |
| Toyobo Co., Ltd. | 2525 |
4 |
| BASF SE | 21165 |
3 |
| Kuraray Co., Ltd. | 3581 |
3 |
| Sofradim Production | 289 |
3 |
| Solvay Advanced Polymers, L.L.C. | 66 |
3 |
| Evonik Operations GmbH | 4283 |
3 |
| Tyco Healthcare Group LP | 205 |
2 |
| Ricoh Company, Ltd. | 13309 |
2 |
| Arkema France | 4189 |
2 |
| Case Western Reserve University | 1878 |
2 |
| Ketonex Limited | 7 |
2 |
| Oxford Performance Materials, Inc. | 23 |
2 |
| Polyplastics Co., Ltd. | 627 |
2 |
| Teijin Aramid B.V. | 168 |
2 |
| Toho Tenax Europe GmbH | 23 |
2 |
| 3dbiofibr Inc. | 21 |
2 |
| Other owners | 27 |