- 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 6/40 - Modacrylic fibres, i.e. containing 35 to 85% acrylonitrile
Patent holdings for IPC class D01F 6/40
Total number of patents in this class: 98
10-year publication summary
|
5
|
10
|
5
|
5
|
7
|
4
|
12
|
14
|
10
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4687 |
73 |
| Deakin University | 130 |
5 |
| Aksa Akrilik Kimya Sanayii Anonim Sirketi | 39 |
5 |
| Glen Raven, Inc. | 130 |
3 |
| Hiking Group Co., Ltd. | 2 |
2 |
| Kuraray Co., Ltd. | 3585 |
2 |
| FUJIFILM Corporation | 30458 |
1 |
| International Fibers, Ltd. | 4 |
1 |
| Tecfiber SARL | 2 |
1 |
| Virginia Tech Intellectual Properties, Inc. | 945 |
1 |
| DuPont Safety & Construction, Inc. | 681 |
1 |
| Cence Inc. | 5 |
1 |
| Zhejiang Juhua Co., Ltd.electrochemistry Plant | 6 |
1 |
| Zhejiang Quzhou Jusu Chemical Industry Co., Ltd | 10 |
1 |
| Other owners | 0 |