- 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 6/84 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from copolycondensation products from copolyesters
Patent holdings for IPC class D01F 6/84
Total number of patents in this class: 243
10-year publication summary
|
20
|
14
|
17
|
18
|
17
|
28
|
20
|
25
|
25
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 102 |
23 |
| Kuraray Co., Ltd. | 3469 |
14 |
| Toray Industries, Inc. | 6857 |
12 |
| Kaneka Corporation | 4495 |
11 |
| Eastman Chemical Company | 2262 |
7 |
| DuPont Teijin Films U.S. Limited Partnership | 114 |
6 |
| Parkdale Incorporated | 31 |
6 |
| Poly-Med, Inc. | 185 |
6 |
| Columbia Insurance Company | 1524 |
5 |
| Kimberly-clark Worldwide, Inc. | 5517 |
4 |
| Sumitomo Chemical Company, Limited | 8987 |
4 |
| Kingfa SCI & Tech Co. Ltd. | 579 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3349 |
4 |
| The University of Tokyo | 4066 |
4 |
| CJ Cheiljedang Corporation | 3285 |
3 |
| Jiangsu Zhonglu Technology Development Co., Ltd | 5 |
3 |
| Sichuan University | 540 |
3 |
| Forta, LLC | 57 |
3 |
| Toyobo MC Corporation | 309 |
3 |
| Centre National de La Recherche Scientifique | 10124 |
2 |
| Other owners | 116 |