- 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: 82
10-year publication summary
|
6
|
8
|
9
|
6
|
5
|
11
|
4
|
6
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3349 |
9 |
| Fresenius Medical Care Holdings, Inc. | 1394 |
5 |
| The Procter & Gamble Company | 22147 |
4 |
| BASF SE | 20421 |
4 |
| Kuraray Co., Ltd. | 3469 |
3 |
| Oxford Performance Materials, Inc. | 26 |
3 |
| Sofradim Production | 301 |
3 |
| Solvay Advanced Polymers, L.L.C. | 89 |
3 |
| Toyobo Co., Ltd. | 2426 |
3 |
| Evonik Operations GmbH | 4027 |
3 |
| Tyco Healthcare Group LP | 282 |
2 |
| Ricoh Company, Ltd. | 13222 |
2 |
| Arkema France | 3888 |
2 |
| Case Western Reserve University | 1774 |
2 |
| Ketonex Limited | 8 |
2 |
| Teijin Aramid B.V. | 182 |
2 |
| Toho Tenax Europe GmbH | 27 |
2 |
| Toyobo MC Corporation | 309 |
2 |
| Covidien LP | 10649 |
1 |
| Kimberly-clark Worldwide, Inc. | 5517 |
1 |
| Other owners | 24 |