- 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 6/52 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated carboxylic acids or unsaturated esters
Patent holdings for IPC class D01F 6/52
Total number of patents in this class: 29
10-year publication summary
|
4
|
4
|
2
|
2
|
1
|
3
|
0
|
3
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7143 |
4 |
| Nissan Chemical Industries, Ltd. | 1636 |
4 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 689 |
2 |
| Zhejiang Sci-Tech University | 106 |
2 |
| The Procter & Gamble Company | 21859 |
1 |
| Philip Morris Products S.A. | 8249 |
1 |
| Philip Morris USA Inc. | 649 |
1 |
| Samsung SDI Co., Ltd. | 10745 |
1 |
| The Johns Hopkins University | 5922 |
1 |
| Kaneka Corporation | 4745 |
1 |
| Cornell University | 3444 |
1 |
| Kyoto University | 2926 |
1 |
| Teijin Limited | 1290 |
1 |
| Toyama Prefecture | 58 |
1 |
| University of Fukui | 95 |
1 |
| Vanderbilt University | 2030 |
1 |
| Amolifescience Co., Ltd. | 96 |
1 |
| INVISTA Textiles (U.K.) Limited | 271 |
1 |
| Afyx Therapeutics A/S | 24 |
1 |
| INV Performance Materials, LLC | 39 |
1 |
| Other owners | 1 |