- All sections
- D - Textiles; paper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbons; apparatus specially adapted for the manufacture of carbon filaments
- D01F 8/08 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
Patent holdings for IPC class D01F 8/08
Total number of patents in this class: 51
10-year publication summary
|
3
|
1
|
7
|
7
|
7
|
5
|
3
|
5
|
7
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Japan Exlan Company Limited | 60 |
5 |
| E. I. du Pont de Nemours and Company | 4345 |
3 |
| Toyobo Co., Ltd. | 2286 |
3 |
| DuPont Safety & Construction, Inc. | 676 |
3 |
| Arizona Board of Regents on behalf of Arizona State University | 2226 |
2 |
| Metis Technologies Pty Ltd | 6 |
2 |
| Aksa Akrilik Kimya Sanayii Anonim Sirketi | 26 |
2 |
| The Regents of the University of California | 18943 |
1 |
| The Boeing Company | 19843 |
1 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
1 |
| Mitsubishi Chemical Corporation | 4313 |
1 |
| The United States of America as represented by the Secretary of the Army | 1195 |
1 |
| Flex Ltd. | 223 |
1 |
| Glen Raven, Inc. | 137 |
1 |
| Hills, Inc. | 20 |
1 |
| Massey University | 41 |
1 |
| Nanjing Tech University | 218 |
1 |
| Nantong University | 245 |
1 |
| North Carolina State University | 1492 |
1 |
| Other owners | 18 |